Lembar Kerja Teknik Analisis Data Pascasarjana

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A N A L I S I S B U T I R S O A L M A N U A L D A N M E N G G U N A K A N

SOFTWARE

O leh :

S a m s u l H a d i

A . P e n d a h u l u a n

S u p a y a s o a l m e m e n u h i v a lid ita s isi p e n y u s u n a n b u t ir so a l d ia w a li d e n g a n

m e n g k a ji k o m p e te n s i d a n in d ik a to r y a n g a k a n d iu jik a n . B e r d a s a r k a n k is i-k is i

te r s e b u t k e m u d ia n d ib u a t b u tir - b u tir s o a l. B u tir - b u tir so a l y a n g s u d a h ja d i

k e m u d ia n d im in ta u n tu k d ite la a h o le h p ih a k la in y a n g d ia n g g a p m a m p u d e n g a n

m e m p e r h a tik a n : m a te r i, k o n s tr u k s i, d a n b a h a s a y a n g d ig u n a k a n d a la m b u t ir so al.

T e la a h m a te r i b e r tu ju a n u n tu k m e lih a t k e s e s u a ia n so a l d e n g a n k o m p e te n s i

d a n in d ik a to r . T e la a h k o n s tr u k s i b e r tu ju a n u n tu k m e n ja m in b a h w a so a l te la h

d ir u m u s k a n d e n g a n s in g k a t, b e b a s d a ri p e r n y a a tn y a n g tid a k r e le v a n , b e b a s d a ri

p e r n y a ta a n n e g a t i f g a n d a , d a n b e b a s d a ri p e r n y a ta a n y a n g m u lti in te rp re ta s i.

T e la a h b a h a s a d ila k u k a n a g a r so a l k o m u n i k a ti f d a n s e s u a i d e n g a n k e m a m p u a n

p e s e r ta te s s e rta m e n g g u n a k a n b a h a s a I n d o n e s ia y a n g b a k u .

H a s il te la a h m a te r i, k o n s tr u k s i, d a n b a h a s a d ija d ik a n m a s u k a n p e r b a ik a n

te r h a d a p b u tir s o a l y a n g a d a . S e te la h p e r b a ik a n d ila k u k a n b e r d a s a r k a n te la a t

k e tig a h a l te r s e b u t, s o a l s ia p d iu jic o b a k a n . D a ta y a n g d ip e r o le h d ari h a s il u jic o b a

p e r lu d ia n a lis is u n tu k m e n g e ta h u i k a r a k te r is tik so a l a ta u b u ti r s o a l s e c a r a e m p iris .

A d a d u a p e n d e k a ta n u n tu k m e n g a n a li s is d a ta h a s il u jic o b a so a l, y a itu

m e n g g u n a k a n te o r i te s k la s ik d a n m e n g g u n a k a n te o r i re s p o n s b u tir. D a la m

k e s e m p a ta n in i a n a li s is b u t ir s o a l h a n y a a k a n d ila k u k a n d e n g a n te o r i te s k la s ik .

B . R u m u s P e r h i t u n g a n d a l a m T e o r i T e s K l a s i k

K u a lita s te s a ta u b u ti r s o a l p e n y u s u n te s y a n g b a ik d a p a t d ilih a t d a ri

k a r a k te r is tik y a . K a r a k te r is tik te s a ta u b u t i r d a p a t d ik e ta h u i d e n g a n d u a

p e n d e k a ta n te o ri. K e d u a p e n d e k a ta n te r s e b u t y a k n i te o ri te s k la s ik d a n te o ri

re s p o n s b u tir. T e o ri te s k la s ik , a ta u d is e b u t j u g a te o r i te s s k o r m u rn i k la s ik ,

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s k o r s e b e n a rn y a d a n s k o r k e s a la h a n p e n g u k u r a n ( A lle n & Y e n , 1 9 7 9 : 57).

S e c a r a m a te m a tis p e r n y a ta a n te r s e b u t d a p a t d ir u m u s k a n s e b a g a i b e rik u t.

X = T + E

d e n g a n :

X

: s k o r a m a ta n ,

T

: s k o r m u rn i,

E

: s k o r k e s a la h a n p e n g u k u r a n

(error score).

K e s a la h a n p e n g u k u r a n d a la m te o ri te s k la s ik m e r u p a k a n k e s a la h a n y a n g

t id a k s is te m a tis a ta u a c a k . K e s a la h a n p e n g u k u r a n m e r u p a k a n p e n y im p a n g a n

s e c a ra te o r e tis d a ri s k o r a m a ta n y a n g d ip e r o le h d e n g a n s k o r a m a ta n y a n g

d i h a ra p k a n . K e s a la h a n p e n g u k u r a n y a n g s is te m a tis d ia n g g a p b u k a n m e r u p a k a n

k e s a la h a n p e n g u k u ra n .

A s u m s i- a s u m s i y a n g m e n d a s a ri te o r i te s k la s ik te r s e b u t d ija d ik a n d a s a r

u n tu k m e n g e m b a n g k a n r u m u s - r u m u s m a te m a tis u n tu k m e n g e s tim a s i v a lid ita s d a n

k o e f is ie n r e lia b ilita s te s . V a lid ita s d a n k o e f is ie n r e lia b ilita s p a d a p e r a n g k a t te s

d ig u n a k a n u n tu k m e n ila i k u a lita s te s . K u a lita s te s d a la m te o r i te s k la s ik j u g a d a p a t

d ite n tu k a n d e n g a n in d e k s k e s u k a r a n d a n d a y a p e m b e d a .

1 . T i n g k a t K e s u k a r a n

T in g k a t k e s u k a ra n , d is im b o lk a n d e n g a n p , m e r u p a k a n s a la h s a tu

p a r a m e te r b u t ir s o a l y a n g s a n g a t b e r g u n a d a la m a n a lis is so al. T in g k a t k e s u k a ra n

d a p a t d ih it u n g d e n g a n b e r b a g a i c a ra , y a itu (a ) s k a la k e s u k a r a n lin e a r, (b ) s k a la

b iv a r ia t, (c) in d e k s D a v is , d a n (d ) p r o p o rs i m e n ja w a b b e n a r (B a h r u l H a y a t, d k k .,

1 9 9 9 ). S e c a r a m a te m a tis t in g k a t k e s u k a r a n y a n g d ih itu n g d e n g a n p r o p o rs i

m e n ja w a b b e n a r d ir u m u s k a n d e n g a n :

I B

P =

—

d e n g a n k e te r a n g a n B a d a la h b a n y a k p e s e r ta te s y a n g m e n ja w a b e n a r , d a n N

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te r la lu s u k a r t id a k d a p a t m e m b e d a k a n k e m a m p u a n p e s e r ta te s s e h in g g a p e r lu

d ib u a n g .

M e n u r u t A lle n d a n Y e n (1 9 7 9 ) t in g k a t k e s u k a r a n b u tir s o a l s e b a ik n y a

a n ta r a 0,3 - 0 ,7 . P a d a r e n ta n g te r s e b u t in fo r m a s i te n ta n g k e m a m p u a n s is w a a k a n

d ip e r o le h s e c a r a m a k s im a l. N a m u n a n g k a te r s e b u t p e r lu d is e s u a ik a n d e n g a n

tu ju a n p e n g e m b a n g a n s o a l. S o a l u n tu k k e p e r lu a n s e le k s i, r e m id i, a ta u u la n g a n

u m u m s e h a r u s n y a m e m p u n y a i p y a n g b e r b e d a - b e d a u n tu k m e n c a p a i tu ju a n y a n g

m a k s im a l.

2 . D a y a B e d a

D a y a b e d a m e r u p a k a n p a r a m e te r b u t ir s o a l y a n g m e m b e r ik a n in fo rm a s i

te n ta n g s e b e ra p a b e s a r b u ti r s o a l te r s e b u t d a p a t m e m b e d a k a n p e s e r ta te s y a n g

s k o rn y a tin g g i d a n p e s e r ta te s y a n g s k o rn y a re n d a h . D a y a b e d a d a p a t d i h it u n g

d e n g a n b e b e r a p a c a r a a n ta r a la in d e n g a n m e n g h itu n g k o e f is ie n k o r e la s i

point

biserial

d a n k o e f is ie n k o r e la s i

biserial.

K o r e la s i

point biserial

s e c a ra m a te m a tis

d ir u m u s k a n s e b a g a i b e r ik u t.

Mp ~ M q

rp b is =

--- ~- V P 9

d im a n a :

rp bis

: k o e f is ie n k o r e la s i

point biserial

Mp

:

mean

s k o r p a d a te s d a ri p e s e r ta te s y a n g m e m ilik i ja w a b a n b e n a r p a d a

b u ti r so al

M q

:

mean

s k o r p a d a te s d a ri p e s e r ta te s y a n g m e m ilik i ja w a b a n s a la h p a d a

b u ti r so al

p : p r o p o rs i p e s e r ta te s y a n g m e n ja w a b b e n a r p a d a b u t i r so a l

9 : 1 - P

S

t

: stan d ar deviasi seluruh sk o r tes

H u b u n g a n a n ta r a k o r e la s i p o in t b is e r ia l d e n g a n k o r e la s i b is e r ia l m e n g ik u ti

ru m u s sbb:

y

Vpbis ~ T'.bis•

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d e n g a n k e te r a n g a n

rbis

a d a la h k o e f is ie n k o r e la s i

biserial, y

a d a la h o r d in a t p

d a la m d is tr ib u s i n o rm a l, s e d a n g k a n s im b o l la in s a m a d e n g a n k e te r a n g a n

s e b e lu m n y a . N ila i k o r e la s i

point biserial

s e la lu le b ih r e n d a h d ib a n d in g d e n g a n

n ila i k o r e la s i

biserial.

3 . E f e k t i v i t a s D i s t r a k t o r

S o a l p ilih a n g a n d a p e r lu m e m ilik i p e n g e c o h , y a itu ja w a b a n y a n g tid a k

b e r n ila i b e n a r . P e n g e c o h p e r lu d ib u a t s e d e m ik ia n r u p a s e h in g g a m e n a r ik

p e r h a ti a n p e s e r ta te s y a n g b e lu m m e m ilik i k o n s e p y a n g b a ik te r h a d a p m a te r i y a n g

d iu jik a n . A lle n d a n Y e n (1 9 7 9 ) m e n y a ta k a n b a h w a p e n g e c o h y a n g b a ik m in im u m

b e r in d e k s 0,1 y a n g b e r u p a k o e f is ie n k o r e la s i

point biserial,

b e r n ila i p o s it i f u n tu k

k u n c i ja w a b a n d a n b e r n ila i n e g a t i f u n tu k p e n g e c o h .

4 . K e s a l a h a n P e n g u k u r a n

K e s a la h a n P e n g u k u r a n

(StandardError o f Measurement,

S E M ) m e m b a n tu

p e n y u s u n te s d a la m m e m a h a m i k e s a la h a n y a n g b e r s if a t a c a k y a n g m e m p e n g a r u h i

s k o r p e s e r ta te s. K e s a la h a n p e n g u k u r a n d ih itu n g d e n g a n r u m u s s e b a g a i b e r ik u t

(B a h r u l H a y a t, d k k ., 1 9 9 9 ):

°E = < W 1 _ p x x

'

d e n g a n k e te r a n g a n a d a la h s ta n d a r d e v ia s i d a ri s k o r to ta l d a n a d a la h

k o e f is ie n r e lia b ilita s te s.

5 . R e l i a b i l i t a s T e s

R e lia b ilita s te s d a p a t d ia r tik a n s e b a g a i k e a je g a n a ta u k o n s is te n s i h a s il

p e n g u k u r a n a ta u h a s il te s y a n g d ila k u k a n p a d a w a k tu y a n g b e r b e d a p a d a s u b je k

y a n g s a m a . A lle n d a n Y e n (1 9 7 9 ) m e n y a ta k a n b a h w a te s d is e b u t r e lia b e l j i k a s k o r

a m a ta n m e m p u n y a i k o r e la s i y a n g tin g g i d e n g a n s k o r y a n g s e b e n a r n y a . M e r e k a

j u g a m e n y a ta k a n b a h w a r e lia b ilita s m e r u p a k a n k o e f is ie n k o r e la s i a n ta r a d u a s k o r

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d ig u n a k a n . D i a n ta r a r u m u s a ta u c a r a te r s e b u t, a lfa ( a ) C r o n b a c h a d a la h y a n g

p a li n g b a n y a k d ig u n a k a n k a r e n a c o c o k u n tu k d a ta b e n a r s a la h a ta u a n g k e t. N ila i

h a s il p e r h itu n g a n d a ri f o r m u la te r s e b u t s e rin g d ik a ta k a n s e b a g a i k o e f is ie n

re lia b ilita s . M e h r e n s d a n L e h m a n n (1 9 7 3 ) m e n y a ta k a n b a h w a m e s k ip u n t id a k a d a

k e te n tu a n u m u m , te ta p i s e c a r a lu a s d a p a t d it e r im a b a h w a u n tu k te s y a n g

d ig u n a k a n u n tu k m e m b u a t k e p u tu s a n s e c a ra p e r o r a n g a n h a r u s m e m ili k i k o e f is ie n

r e lia b ilit a s m in im a l 0 ,8 5 .

R u m u s a lf a ( a ) C r o n b a c h a d a la h s e b a g a i b e r ik u t (J o h n s o n , P e n n y , &

G o r d o n , 2 0 0 9 ):

k

1

o f

d e n g a n k e te r a n g a n k = j u m l a h b u tir, o f = v a r ia n s b u tir, d a n

of

= v a r ia n s so al

(s e lu r u h b u tir).

C . A n a l i s i s B u t i r S o a l d e n g a n I T E M A N

I T E M A N m e r u p a k a n p r o g r a m a n a lis is in s tr u m e n y a n g m e m b u tu h k a n file

d a ta d a la m f o r m a t A S C I I

(text-only).

S e m u a d a ta y a n g a k a n d ia n a lis is h a r u s

d ie n try d a la m f ile tu n g g a l. I T E M A N d a p a t m e n g a n a lis is s a m p a i 7 5 0 b u tir

s e k a lig u s , d e n g a n j u m l a h p e s e r ta te s h a m p ir ta k te rb a ta s .

F o r m a t f ile d a ta d ik o to m u s y a n g a k a n d ia n a lis is d e n g a n I T E M A N a d a la h

s e b a g a i b e r ik u t:

035 O N 06 Control Line

CDBCADDDCBBCDDBDCABDADDBCBCDBCCBDAB Key

44444444444444444444444444444444444 No. Alternatives

YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY Items to Include

mat1 CDBCABODCBDDDDCACABABDDCAABDACCCCBC Examinee #1 mat2 CDBCABDDCBCCDDCDCABBBDDBAADDBCCCDBD Examinee #2

B a r is p e r ta m a d is e b u t

Control Line.

A n g k a 0 3 5 m e n u n ju k k a n j u m l a h

b u tir, O m e n y a ta k a n O m itte d , N m e n y a ta k a n

not-reached item,

d a n 0 6

m e n u n ju k k a n j u m l a h k a r a k te r id e n ti ta s p e s e r ta te s ( m a k s im a l 8 0 k a r a k te r) . K u n c i

ja w a b a n

(key)

m a u p u n ja w a b a n p e s e r ta d a p a t d ig a n ti d e n g a n a n g k a .

Items to

Include

d a p a t d ig a n ti d e n g a n a n g k a , s e d a n g y a n g t id a k a k a n

di-include

h a r u s

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F o r m a t f ile d a ta a n g k e t u n tu k I T E M A N a d a la h s e b a g a i b e rik u t. D a l a m

f o r m a t in i k u n c i + m e n u n ju k k a n b a h w a b u t i r p a d a k o lo m y a n g s a m a m e r u p a k a n

05 6 O N 0 6

++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 55555555555555555555555555555555555555555555555555555555 11111111111111111111111111111111111111111222222222222222 ind1 55555555555514555555555555155555555155555555555555555555 ind2 32334324 434212 443334 42 423312223222222224 44342333322234 44 D a la m f o r m a t te r s e b u t I te m s to I n c lu d e d ita n d a i d e n g a n a n g k a 1 d a n 2,

y a n g b e r a rti a n g k e t y a n g d ia n a lis is a d a 2. B u ti r - b u ti r a n g k e t

(scale)

1 d ita n d a i

d e n g a n

Items to Include

= 1, s e d a n g b u t i r - b u ti r a n g k e t 2 d ita n d a i d e n g a n

Items to

Include

= 2.

I T E M A N V e r s io n 3 .0 0 a d a la h p r o g ra m u n d e r D O S . U n tu k m e n ja la n k a n

p r o g ra m te r s e b u t k lik d u a k a li f ile I T E M A N .E X E , m a k a a k a n m u n c u l ta m p ila n

s e b a g a i b e r ik u t:

M i c r o C A T (tm) T e s t i n g S y s t e m

C o p y r i g h t <c> 1982, 1984, 1986, 1988 by A s s e s s m e n t S y s t e m s C o r p o r a t i o n B e t a - T e s t U e r s i o n — Univ. of P i t t s b u r g h

Item a n d Test A n a l y s i s P r o g r a m — ITEMflN (tm> U e r s i o n 3 . 0 0 E n t e r the name of the input file:

P a d a ta m p ila n te r s e b u t, I T E M A N m e m in ta n a m a f ile d a ta , n a m a f ile o u tp u t, d a n

n a m a f ile s k o r. C o n to h h a s il a n a lis is b u ti r so a l d e n g a n I T E M A N a d a la h s e b a g a i

b e r ik u t:

Item Statistics A l t e rn at iv e Statistics

No

q. Scale Prop. Point Prop. Point

. -Item Correct Biser. Biser. Alt. En do rsing Biser. Biser. K ey

1 0 - 1 0.923 1.000 0.568 A 0 000 -9 000 -9 000

B 0 000 -9 000 -9 000

C 0 923 1 000 0 568 *

D 0 077 -1 000 -0 568

Other 0 000 -9 000 -9 000

3 0 - 2 0.923 0.544 0.295 A 0 038 -0 252 -0 109

B 0 923 0 544 0 295 *

C 0 000 -9 000 -9 000

D 0 038 -0 688 -0 299

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Scale Statistics

Scale: 0

N of Items 24

N of Examinees 26

Mean 14 308

V ariance 17 828

Std. Dev. 4 222

Skew -0 092

Kurtosis 0 580

M i n i m u m 4 000

M a x i m u m 24 000

Medi an 14 000

Alpha 0 797

SEM 1 900

M ea n P 0 596

M ea n Item-Tot. 0 421 M ea n Biserial 0 604

D A F T A R P U S T A K A

A lle n , M . J & Y e n , W . M . (1 9 7 9 ).

Introduction to measurement theory.

B e lm o n t:

W a d s w o r th .

B a h r u l H a y a t, S u m a r n o S. P r a n a ta , d a n H e r w in d o H a r ib o w o . (1 9 9 9 ) .

Manual item

and test analysis (ITEMAN).

J a k a rta : P u s b a n g S is jia n D e p d ik b u d .

H u lin , C .L ., D r a s g o w , F . & P a r s o n s , C .K . (1 9 8 3 ).

Item response theory:

Application to psychological measurement

. H o m e w o o d , IL : D o w J o n e s -

Irw in .

J o h n s o n , L .R ., P e n n y , J .A . & G o r d o n , B . (2 0 0 9 ). A s s e s s in g P e r fo r m a n c e . N e w

Y o rk : T h e G u ilfo r d P re s s .

M e h re n s , W . A . & L e h m a n n , I. J. (1 9 7 3 ).

Measurement and evaluation in

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A N A L I S I S B U T I R S O A L D E N G A N B I L O G - M G F O R W I N D O W S S E C A R A I N T E R A K T I F

O le h :

S a m s u l H a d i

1. S ia p k a n d a ta ja w a b a n p e s e r ta te s , k u n c i ja w a b a n , k o d e d a ta y a n g tid a k

d ip r o s e s /d ia b a ik a n (o m it) , d a n k o d e d a ta k o s o n g ( n o t p r e s e n te d ) d a la m

f o r m a t te x t a ta u A S C I I. J a w a b a n p e s e r ta te s , k u n c i ja w a b a n , k o d e d a ta y a n g

tid a k d ip ro s e s , d a n k o d e d a ta k o s o n g d a p a t d ik o d e d a la m b e n tu k a n g k a n a ta u

h u r u f d a n d ib u a t d a la m f ile te r p is a h /s e n d ir i- s e n d ir i a ta u d a la m s a tu file.

F ile B I L O G _ 1 .P R N b e r ik u t in i m e r u p a k a n c o n to h d a ta y a n g d is ia p k a n u n tu k

d ia n a lis is d e n g a n B I L O G - M G d im a n a d a ta ja w a b a n p e s e r ta te s , k u n c i

j a w a b a n d a n k o d e d a ta y a n g tid a k d ip r o s e s /d ia b a ik a n d ik o d e d a la m b e n tu k

a n g k a , s e d a n g k a n k o d e d a ta k o s o n g d ita n d a i d e n g a n s p a s i k o s o n g ( s p a c e b a r).

D a ta te r s e b u t d is im p a n d a la m s a tu file.

A w a l d a n a k h ir k o lo m d a r i ja w a b a n p e s e r ta te s , k u n c i ja w a b a n , k o d e d a ta

y a n g tid a k d ip ro s e s /d ia b a ik a n , d a n k o d e d a ta k o s o n g h a r u s p e r s is s a m a . A w a l

k o lo m u n tu k b u tir s o a l p e r ta m a , s e d a n g k a n a k h ir k o lo m u n tu k b u tir s o a l

te ra k h ir. K u n c i ja w a b a n d ia w a li d e n g a n K E Y, k o d e d a ta y a n g tid a k

d ip r o s e s /d ia b a ik a n d ia w a li d e n g a n O M I T , d a n k o d e d a ta k o s o n g d ia w a li d e n g a n N O T. J a w a b a n p e s e r ta te s d ia w a li d e n g a n id e n tita s . A n ta r a id e n tita s p e s e r ta te s d e n g a n ja w a b a n te r h a d a p s o a l b is a d ip is a h k a n d e n g a n s p a s i

k o s o n g a ta u tid a k d ip is a h k a n .

B I L O G . l - N o t e p a d

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K E Y 3 1 2 1 1 3 3 3 2 B 4 2 4 1 3 3 4 2 2 3 3 4 4 4 3 1 1 2 2 3 2 2 3 2 2 3 1 1 2 2 N O T

O M I T 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 N a m a s i s w a 1 3 1 2 1 1 3 3 3 2 3 4 2 4 1 3 3 4 2 2 3 3 4 4 4 3 1 1 2 2 3 2 2 3 2 2 3 1 1 2 2 N a m a s i s w a 2 4 4 2 4 4 2 3 1 2 4 4 4 3 1 1 1 4 3 2 1 1 1 4 1 3 2 1 3 4 2 4 2 3 2 1 2 1 2 2 2 N a m a s i s w a 3 3 3 4 2 4 3 4 2 4 3 3 3 2 3 4 2 3 4 3 4 4 4 1 3 1 4 4 3 2 4 4 2 1 3 3 2 4 2 4 1 N a m a s i s w a 4 3 3 2 2 4 1 1 1 1 1 3 3 2 2 3 3 2 2 2 2 1 1 3 1 3 2 2 4 4 3 2 3 1 4 1 1 1 4 1 3 N a m a s i s w a 5 2 4 1 3 4 3 4 3 2 2 4 4 3 1 3 1 3 2 4 4 2 3 1 3 1 1 2 2 1 2 4 2 1 4 4 1 3 2 4 3 N a m a s i s w a 6 4 4 2 3 2 3 2 1 1 1 1 3 2 2 3 3 3 4 3 2 1 1 4 2 4 4 2 4 4 2 1 1 4 2 3 2 2 3 3 4 N a m a s i s w a 7 4 4 1 4 4 2 2 1 3 1 1 1 4 2 4 4 3 3 3 3 2 4 4 3 1 1 4 1 1 4 4 3 1 3 2 1 2 3 3 2 N a m a S i s w a 8 2 1 3 3 1 1 2 1 4 4 2 2 1 1 4 4 3 2 3 1 1 4 3 4 2 1 4 4 4 1 4 2 4 3 4 1 4 4 4 3 N a m a s i s w a 9 3 3 2 3 4 1 2 2 3 2 1 1 4 4 2 4 2 2 3 3 1 3 1 3 1 4 2 3 3 4 3 4 3 3 3 1 4 4 1 1 N a m a s i s w a 1 0 2 1 2 2 2 4 2 3 1 1 3 2 2 3 3 3 4 2 2 1 2 3 4 4 3 3 3 3 1 3 4 4 2 2 4 2 2 4 4 4

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3. B u a t s in ta k s (p e r in ta h ) u n tu k m e n g a n a lis is d a ta y a n g te la h d is ia p k a n d e n g a n

c a r a m e lih m e n u F i l e d a n m e m ilih N e w , m a k a a k a n m u n c u l k o ta k d ia lo g y a n g m e m in ta n a m a f o ld e r d a n f ile u n tu k m e n y im p a n f ile s in ta k s . N a m a

f o ld e r in i s e b a ik n y a s a m a d e n g a n n a m a f o ld e r u n tu k m e n y im p a n d a ta .

M is a lk a n n a m a f o ld e r - n y a d iis i C o b a d a n n a m a f ile s in ta k s y a n g a k a n d ib u a t

d iis i B IL O G _ 1 .B L M . S e te la h n a m a f o ld e r d a n n a m a f ile s in ta k s d iis i

k e m u d ia n k l ik O p e n.

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1 BI LOG- MG f o r W in d o w s - [ BI LO G_ l]

r i F il e E d i t S e t u p D a t a T e c h n ic a l S a v e R u n O u t p u t V ie w O p t i o n s W o r k s p a c e W i n d o w H e lp

E x a m i n e e D a t a

H ^ K I £ j | Q G e n e l a l | D a t a F il e | E n t e , D a t a |

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S A M P L E = | 1 0 0 0 - f J

C N u m b e r o f I n i t i a l C a s e s t o T a k e f o r T e s t i n g J o b S e t u p T A K E = [ "

5. P a d a k o ta k d i a lo g E x a m e n e e D a t a k l i k ta b m e n u D a t a F i l e. M a s u k k a n file d a ta ja w a b a n p e s e r ta te s le n g k a p d e n g a n n a m a fo ld e r- n y a . Is i k o lo m p e r ta m a

d a n te r a k h ir d a ta id e n tita s d a n k o lo m p e r ta m a d a n te r a k h ir re s p o n s ja w a b a n

p e s e r ta te s , k l i k to m b o l S e t F o r m a t, k e m u d ia n k l ik to m b o l O K .

i B I L O G - M G f o r W i n d o w s - [ B I L O G _ l ]

r ^ l F il e E d i t S e t u p D a t a T e c h n ic a l S a v e R u n O u t p u t V ie w O p t i o n s W o r k s p a c e W i n d o w H e lp

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O K C a n c e l | H e l p

P a d a k o ta k d i a lo g I t e m K e y s k li k ta b m e n u N o t P r e s e n t e d K e y, is i n a m a f ile

k u n c i b e s e r ta n a m a fo ld e r- n y a . K lik ta b m e n u O m i t K e y, is ik a n n a m a f ile k u n c i b e s e r ta n a m a fo ld e r- n y a . S e te la h itu k li k to m b o l O K . D a la m c o n to h in i n a m a f ile d a ta ja w a b a n p e s e r ta te s , k u n c i ja w a b a n , k o d e d a ta y a n g tid a k

d ip r o s e s /d ia b a ik a n , d a n k o d e d a ta k o s o n g m e n g g u n a k a n n a m a f ile y a n g s a m a ,

y a itu B I L O G _ 1 .P R N .

7. K lik m e n u S e t u p d a n p ili h s u b m e n u G e n e r a l. I s i k o ta k d ia lo g p a d a J o b D e s c r i p t i o n d e n g a n j u d u l a n a lis is , k o m e n ta r , ju m la h b u tir, d a n in s f o r m a s i la in y a n g te r k a it d e n g a n s o a l te s . D a la m c o n to h in i ju m l a h b u tir a d a la h 4 0 .

P a d a k o ta k d ia lo g G e n e r a l k l ik ta b m e n u M o d e l p a d a , p ilih m o d e l I R T y a n g

d ik e h e n d a k i m is a ln y a 1 - P a ra m e te r L o g is tic (1 P L ), la in n y a d a p a t d ib ia r k a n

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( • 1 -P aram eter Logistic (1 P L)

C 2 -P a ra m ete r Logistic (2 P L )

C 3-P aram ete r Logistic (3 P L )

P a d a k o ta k d ia lo g G e n e r a l k li k ta b m e n u R e s p o n s e, is i ju m l a h a lte r n a tif ja w a b a n d a n k o d e ja w a b a n s e s u a i d e n g a n y a n g a d a d a la m f ile d a ta .

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Q F i l e E d i t S e t u p D a t a T e c h n i c a l S a v e R u n O u t p u t V ie w O p t i o n s W o r k s p a c e W i n d o w H e l p B I L O G - M G f o r W i n d o w s - [ B I L O G _ l ]

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N u m b e r o f R e s p o n s e A l t e r n a t i v e ( N A L T ): 4

R e s p o n s e C o d e s : 1 2 3 4

P a d a k o ta k d i a lo g G e n e r a l k l ik ta b m e n u L a b e l b e r i n a m a b u tir d a n n a m a tes y a n g s e s u a i d e n g a n d a ta y a n g d ia n a lis is a ta u b ia r k a n s e s u a i d e f a u lt -n y a ,

k e m u d ia n k li k to m b o l O K .

O K C a n c e l H e

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O K | C a n c e l | H e l p

9. K lik m e n u S e t u p d a n p ilih s u b m e n u T e s t S c o r i n g. P a d a k o ta k d ia lo g y a n g a d a p ilih m e to d e e s tim a s i (M e t h o d) y a n g a d a d a la m ta b G e n e r a l d a n r e s k a la h a s il e s tim a s i m e la lu i ta b R e s c a l i n g a ta u b ia r k a n s e m u a p a d a d e f a u lt-n y a ,

k e m u d ia n k l ik to m b o l O K .

O K C a n c e l H e l p

10. K lik m e n u T e c h n i c a l d a n s u b m e n u C a l i b r a t i o n O p t i o n s. P a d a k o ta k d ia lo g y a n g a d a , p ilih O n e P a r a m e t e r L o g i s t i c M o d e l ji k a m o d e l y a n g d ip ilih a d a la h 1 P L d a n a k a n d i- r e s c a le k e m o d e l R a s c h . J ik a la n g k a h in i d ila k u k a n ,

m a k a d a y a b e d a (a) d a r i b u tir y a n g d ia n a lis is a k a n d is e t = 1. J ik a m o d e l y a n g

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| t l m |_{BI LOG- M G f or W in d ow s - [ BI L0 G_ 1 ]}

File Edit Setup Data Technical Save Run Output View Options Workspace Window Help

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11. K lik m e n u S a v e d a n p il ih o u tp u t y a n g a k a n d i-S a v e.

M F i l e E d i t S e t u p D a t a T e c h n i c a l S a v e R u n O u t p u t V i e w O p t i o n s W o r k s p a c e W i n d o w H e l p

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V~ M a s t e r D a t a : I ” ” C a s e W e i g h t a n d M a r g i n a l P r o |b i l o g j.m a s | B I L 0 G _ 1 . P 0 S

I- C a l i b r a t i o n D a t a : P E x p e c t e d F r e q u e n c i e s :

| B I L 0 G _ 1 . C A L | B I L O G _ 1 . E X P

W I t e m P a r a m e t e r : V C l a s s i c a l I t e m S t a t i s t i c s :

| B 1L O G _ 1 . P A R | B I L 0 G _ 1 . 1 S T

W S c o r e O u t p u t : I- D I F P a r a m e t e r s :

| B I L 0 G _ 1 . S C O | B I L 0 G _ 1 . D I F

V C o v a r i a n c e s o f I t e m P a r a m e t e r E s t i m a t e s : r D R I F T P a r a m e t e r s : |b i l o g j.c o v |b i l o g j.d r i

V T e s t I n f o r m a t i o n S t a t i s t i c s : r P o p u l a t i o n P o s t e r i o r D i s t r i b u t i o Ib i l o g j.t s t Ib i l o g j.p p d

O K

12. K lik m e n u R u n, p il ih s u b m e n u B u i l d S y n t a x u n tu k m e m b a n g k itk a n s in ta k s B I L O G - M G s e c a ra o to m a tis . J ik a h a l in i d ila k u k a n a k a n m u n c u l ta m p ila n

(15)

J t l l j_{BI LOG- M G for W indow s - [ BI L0 G_ 1 * ]}

File E dit S e tu p D a t a Te chn ica l S a v e R un O u tp u t V ie w O p tio ns

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1 > 1 * 4 1 . 4 1 M u o l c _{: |}

A n a l i s i s 40 b u t i r soal p i l i h a n ganda.

> C O M M E N T

M e n g g u n a k a n d a t a simulasi.

> G L O B A L D F N a m e = ’B I L O G _ l .P R N ’, N P A r m = 1,

SAVe;

> S A V E P A R m = TB I L O G _ l .P A R f, SCOre = ’B I L O G _ l . S C O ’; > L E N G T H N I T e m s = (40);

> I N P U T N T O t a l = 40, N A L t = 4, N I D c h a r = 14,

K F N a m e = ’B I L O G _ l .P R N ’, N F N a m e = ’B I L O G _ l .P R N ’, O F N a m e = ’B I L O G _ l .P R N ' ;

> I T E M S I N A m e s = ( B u t i r O l (1)Butir40) ; > T E S T 1 T N A m e = ’M a t _ 2 0 1 1 ’,

I N U m b e r = (1(1)40); (14A1, IX, 40A1)

> C A L I B A C C e l = 1.0000, RASch;

> SCORE ;

U n tu k m e n ja la n k a n s in ta k s te r s e b u t k l i k m e n u R u n d a n p il ih s u b m e n u S t a t s , C a l i b r a t i o n a n d S c o r i n g.

R u n O u t p u t V ie w O p tio n s W o r k s p a c e

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P lo t

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J ik a la n g k a h - la n g k a h y a n g d ila k u k a n b e n a r d a n m o d e l I R T y a n g d ip ilih

s e s u a i d e n g a n k o n d is i d a ta , m a k a a k a n a d a ta m p ila n y a n g m e n y a ta k a n

B I L O G - M G te la h m e n g a n a lis is b u tir s o a l d e n g a n s u k se s .

13. U n tu k m e lih a t h a s il a n a lis is k lik m e n u O u t p u t

g _{BI LOG- M G for W indow s - [ BI LO G_ l]}

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>GLOBAL DFName = TB I L O G _ l .P R N ’, NPArm = 1,

SAVe;

F ile d e n g a n e k s te n s i .P H 1 m e r u p a k a n h a s il a n a lis is b u tir m e n g g u n a k a n te o r i

te s k la s ik o le h B I L O G -M G , f ile d e n g a n e k s te n s i .P H 2 m e r u p a k a n h a s il

a n a lis is b u tir b e r d a s a r k a n IR T , s e d a n g f ile d e n g a n e k s te n s i .P H 3 m e r u p a k a n

h a s il e s tim a s i k e m a m p u a n (0 ) p e s e r ta te s b e r d a s a r k a n IR T .

14. U n tu k m e lih a t g r a fik IR T , k l ik m e n u R u n k e m u d ia n p ilih s u b m e n u P l o t.

BI LO G- M G f or W in d o w s - [ BI L0 G_ 1 ]

r " | F ile E d it S e t u p D a t a T e c h n ic a l S a v e R u n O u t p u t V ie w O p tio n s W o r k s

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> C O M M E N T

M e n g g u n a k a n d a t a simulas; > G L O B A L DFMarae = ’B I L O G I

S t a t s , C a lib r a tio n a n d S c o rin g

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B e r ik u t in i m e r u p a k a n m a tr ik s p lo t I C C d a r i s e lu r u h b u tir s o a l y a n g

d ia n a lis is . H a s il p l o t d a p a t d i- c o p y k e m u d ia n d i- p a s te d i M s W o r d . U n tu k

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T u g a s :

1. B a n g k itk a n d a t a s im u la s i U N m a te m a tik a S M P . J u m la h b u tir = 4 0 , a lte r n a tif

j a w a b a n = 4 , d a n j u m l a h p e s e r ta U N = 5 0 0 . A n a lis is d a ta s im u la s i

m e n g g u n a k a n m o d e l 1 P L . C e r m a ti o u tp u t- n y a . L ih a t p lo tn y a .

2. B a n g k itk a n d a ta s im u la s i U N IP A S M P . J u m la h b u tir = 4 0 , a l te r n a tif ja w a b a n

= 4 , d a n ju m la h p e s e r ta U N = 6 0 0 . A n a lis is d a ta s im u la s i m e n g g u n a k a n

m o d e l 2 P L . C e r m a ti o u t p u t- n y a . L ih a t p lo tn y a

3. B a n g k itk a n d a ta s im u la s i U N B a h a s a I n d o n e s ia S M P . J u m la h b u tir = 5 0 ,

a lt e r n a tif ja w a b a n = 4 , d a n j u m l a h p e s e r ta U N = 9 0 0 . A n a lis is d a ta s im u la s i

(18)

M ENGOLAH HASIL ANALISIS BILOG-M G DENGAN SPSS

O le h : Sa m su l H ad i

A. M engolah Output Fase Satu (.PH1)

1. Ed it d e n g an N o t e p ad f il e o u p u t f a se 1 h asil a n a li sis BILO G - M G y an g t e l a h an d a la k u k an se h in g g a t in g g al b e r isi b u t i r so al d an h asil a n a li sis t e o r i t e s k la sik n y a se p e r t i b e r i k u t :

c AW AL_BIN - Notepad

Fi l e Edit Fo r mat Vi ew Hel p

1 I T E M G 1 1 6 5 0 . 0 1 2 6 3 . 0 7 6 . 5 - 0 . 7 0 0 . 4 0 2 0 . 5 5 5

2 I T E M 0 2 1 6 5 0 . 0 1 5 6 9 . 0 9 5 . 1 - 1 . 7 4 0 . 3 9 4 0 . 8 3 6

3 I T E M 0 3 1 6 5 0 . 0 1 3 5 3 . 0 8 2 . 0 - 0 . 8 9 0 . 4 4 3 0 . 6 4 8

4 I T E M 0 4 1 6 5 0 . 0 1 4 3 6 . 0 8 7 . 0 - 1 . 1 2 0 . 3 8 2 0 . 6 0 7

5 I T E M 0 5 1 6 5 0 . 0 9 8 1 . 0 5 9 . 5 - 0 . 2 3 0 . 3 4 7 0 . 4 4 0

6 I T E M 0 6 1 6 5 0 . 0 7 3 . 0 4 . 4 1 . 8 1 - 0 . 1 3 6 - 0 . 2 9 7

Sim p an f i l e o u t p u t f a se 1 t e r se b u t d e n g an n am a b a r u , m i sa ln y a A W A L_B IN .T X T (BIN b isa d ig an t i se su a i n a m a m a t a p e l a j a r a n ).

2 . Bu k a SPSS, b u a t si n t a k s u n t u k m e m b a c a o u t p u t f a se 1 y an g su d a h d ie d it m e la lu i m e n u File - N e w - Sy n t a x . Ke t ik si n t a k s se b ag ai b e r i k u t (se su a ik a n n am a f o l d e r d an f i l e y a n g ak an d ib aca SPSS d e n g an d a t a sa u d a r a ):

D A T A L IS T F IL E = 'D :\C o b a \A W A L _ B IN .T X T '

/B U T IR 9 -1 4 ( A ) T R IE D 2 0 - 2 5 R IG H T 3 0 -3 5 P E R C E N T 3 9 - 4 3 P E A R S O N _ C O R 5 7 - 6 2 B IS E R _ C O R 6 6 -7 1 . F O R M A T T R IE D R IG H T (F 6 .1 ) P E R C E N T ( F 5 .1 ) P E A R S O N _ C O R B IS E R _ C O R ( F 6 .3 ).

E X E C U T E .

Ja l a n k a n si n t a k s t e r se b u t m e la lu i m e n u Ru n A ll p ad a m e n u Sy n t a x Ed it o r SPSS. Ce k d a t a SPSS y an g m u n cu l d e n g an o u t p u t f a se 1 BILO G - M G . Jik a ad a p e r b e d a a n se su a ik a n k o lo m u n t u k t i a p v a r i a b e l p ad a si n t a k s d i a t a s.

3 . Id e n t if i k a si b u t ir y an g v a lid d e n g an k e t e n t u a n d ay a b ed a m i n im a l 0 ,3 m e n g g u n a k a n m e n u Tr a n sf o r m - Re co d e In t o D i f f e r e n t V a r i a b l e s d a r i v a r i a b e l BISER_CO R m e n ja d i v a r i a b e l K e t e r a n g a n . Sin t a k s y a n g d ih a silk a n a d ala h sb b :

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Se l e c t si n t a k s t e r se b u t k e m u d ia n a l a n k a n si n t a k s t e r se b u t m e la lu i m e n u Ru n Se le c t i o n p ad a m e n u Sy n t a x Ed it o r SPSS.

Tugas A:

• Lak u k an a n a li sis d e sk r i p t i f v a r i a b e l TRIED , RIGH T, PERCEN T, PEA RSO N _CO R, BISER_CO R, d an Ke t e r a n g a n y a n g t e r b e n t u k o leh si n t a k s SPSS d i a t a s.

B. M engolah Output Fase 2 (.PH2)

1 . Ed it d e n g an N o t e p ad f il e f a se 2 h asil a n a li sis BILO G- M G y a n g t e l a h an d a la k u k an se h in g g a t in g g al b e r isi b u t i r so al d an h asil a n a l i si s t e o r i r e sp o n s b u t i r d an y a k in k a n in f o r m a si se t i a p b u t i r d ir e k a m d a lam 3 b ar is (t e r m a su k b ar is k o so n g ) se p e r t i sb b :

c P H 2 _B IN - N o te p a d

Fie Edit Format View Help

I T EM 01 0. 832

0 . 0 3 8 "

0. 582 0 . 0 0 6 "

- 1 . 4 3 0 0 . 0 6 6 "

0. 503 0 . 0 0 5 "

0. 0 0 0 0 . 0 0 0 "

5 . 3 CO. 8 0 2 8 )

9 . 0

I T EM02 2. 013

0 . 0 7 4 ' '

0. 582 I 0 . 0 0 6 "

- 3 . 4 5 8 0 . 1 2 6 " |

0. 503 0 . 0 0 5 "

0. 0 0 0 0 . 0 0 0 "

31 . 2 Co . 0 0 0 0 )

5 . 0

I TEM03 1 . 063

0. 0 4 3 "

0. 582 0 . 0 0 6 "

- 1 . 8 2 5 0 . 0 7 3 "

0. 503 0 . 0 0 5 "

0. 0 0 0 0 . 0 0 0 "

29 . 3 CO. 0 0 0 3 )

8 . 0

Sim p an f i l e o u t p u t f a se t e r se b u t d e n g an n am a b a r u , m i sa ln y a PH 2 _B IN .TX T (BIN b isa d ig an t i se su a i n a m a m a t a p e l a j a r a n ).

4 . Bu k a SPSS, b u a t si n t a k s u n t u k m e m b a c a o u t p u t f a se 2 y an g su d a h d ie d it m e la lu i m e n u File - N e w - Sy n t a x . Ke t ik si n t a k s se b ag ai b e r i k u t (se su a ik a n n am a f o l d e r d an f i l e d e n g an d at a sa u d a r a ):

D A T A L IS T F IL E = 'D :\C o b a \P H 2 _ B IN .T X T ' R E C O R D S = 3

/1 IT E M 2 -9 (A ) S L O P E 2 4 -3 0 T H R E S H O L D 3 5 -4 1 A S Y M P T O T E 5 7 -6 3 C H IS Q 6 8 -7 4 /2 P R O B 6 9 -7 4 .

F O R M A T S L O P E T H R E S H O L D A S Y M P T O T E ( F 7 .3 ) C H IS Q ( F 7 .1 ) P R O B (F 7 .4 ). E X E C U T E .

5 . M e n g g u n a k a n si n t a k s SPSS, u b ah v a r i a b e l SLO PE, TH RESH O LD , A SYM PTO TE. d an CH ISQ m a sin g - m asin g m e n ja d i v a r i a b e l K e t e r a n g a n _a . K e t e r a n g a n _b ,

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Pa r a m e t e r / PRO B N ilai Ke t e r a n g an a 0 .4 s/ d 2 a b aik

b - 2 s/ d 2 b b aik

c 0 s/ d 1 / jm l a l t e r n a t i f c b aik PRO B > 0 ,0 5 Fit m o d e l

Si n t a k s y an g h a r u s d ib u a t k ir a- k ir a se b ag ai b e r i k u t :

S T R IN G K e te r a n g a n _ a (A 1 5 ) . R E C O D E

S L O P E

(.4 th ru 2 = 'a b a ik ') ( E L S E = 'a tid a k b a ik ') IN T O K e te r a n g a n _ a . S T R IN G K e te r a n g a n _ b (A 1 5 ) .

R E C O D E T H R E S H O L D

(-2 th ru 2 = 'b b a ik ') ( E L S E = 'b t id a k b a ik ') IN T O K e te r a n g a n _ b . S T R IN G K e te r a n g a n _ c (A 1 5 ) .

R E C O D E A S Y M P T O T E

(0 th ru .2 5 = 'c b a ik ') ( E L S E = 'c tid a k b a ik ') IN T O K e te r a n g a n _ c . S T R IN G K e te r a n g a n _ F it (A 1 5 ) .

R E C O D E P R O B

(0 .0 5 th r u H ig h e s t= 'F it m o d e l') ( E L S E = 'T id a k fit m o d e l') IN T O K e te r a n g a n _ F it .

E X E C U T E .

Tugas B:

• Lak u k an a n a l i si s d e sk r i p t i f t e r h a d a p v a r i a b e l K e t e r a n g a n _a . K e t e r a n g a n _b , K e t e r a n g a n _c , d an K e t e r a n g a n _Fi t (se d u a ik a n d e n g an m o d e l IRT y an g an d a g u n a k a n , j ik a 1 PL v a r i a b e l y an g d ia n a l i si s h an y a K e t e r a n g a n _b d an K e t e r a n g a n _Fi t , j ik a 2 PL v a r i a b e l n y a K a r a e a n g a n _a , K e t e r a n g a n _b , d an k e t e r a n g a n _Fi t , j i k a 3 PL, v a r i a b e l n y a se m u a ).

• Jik a an d a t e l a h m e n g a n a lisis d a t a an d a u n t u k m o d e l 1 PL, 2 PL, d an 3 PL b an d in g k an m o d e l m an a y a n g p alin g b a n y a k m e n g h a si lk a n b u t ir y an g Fit m o d e l. Jik a an d a b e lu m m e n g a n a lisis d a t a an d a u n t u k m o d e l 1 PL, 2 PL, d an 3 PL l a k u k a n l a h , k e m u d ia n b an d in g k an m o d e l m an a y an g p alin g b a n y a k m e n g h a si lk a n b u t ir y a n g Fit m o d e l.

• M o d e l IRT m an a y an g p alin g co c o k u n t u k m e n g a n a lisis d at a a n d a ?

C. M engolah Output Fase 3 (.PH3)

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f . M A T _ O K _ l _ P H 3 - N o t e p a d

File Edit Format Vi ew Help

1 1 0 0 0 1 1 1

1 . 0 0 H A T 0 9 3 9 1 3 3 3 . 3 3 | - 1 . 3 3 3 2 0 . 0 1 7 4 | 0 . 0 0 0 0 0 0

1 1 0 0 0 2

1 . 0 0 M A T 0 9 3 9 1 1 2 8 . 2 1 | - 1 . 3 3 5 9 0 . 0 4 7 8 | 0 . 0 0 0 0 0 0

1 1 0 0 0 3

1 . 0 0 M A T _0 9 3 9 2 7 6 9 . 2 3 | - 0 . 4 3 8 9 0 . 0 7 0 1 | 0 . 0 0 0 0 0 0

1 1 1 6 4 7

1 . 0 0 M A T 0 9 3 9 1 2 3 0 . 7 7 - 1 . 3 3 3 9 0 . 0 2 3 3 0 . 0 0 0 0 0 0

1 1 1 6 4 8

1 . 0 0 M A T 0 9 3 9 2 2 5 6 . 4 1 - 0 . 4 4 8 8 0 . 0 6 2 2 0 . 0 0 0 0 0 0

1 1 1 6 4 9

1 . 0 0 M A T 0 9 3 9 3 0 7 6 . 9 2 - 0 . 1 1 3 9 0 . 4 2 9 6 0 . 0 0 0 0 0 0

1 1 1 6 5 0

1 . 0 0 M A T _G 9 3 9 1 9 4 8 . 7 2 - 0 . 7 2 6 2 0 . 4 1 3 6 0 . 0 0 0 0 0 0

*

2 . Bu k a SPSS, b u at si n t a k s u n t u k m e m b a c a o u t p u t f a se 3 y an g su d a h d ie d it m e la lu i m e n u File - N e w - Sy n t a x . Ke t ik si n t a k s se b ag ai b e r i k u t (se su a ik a n n a m a f o l d e r d an f il e d e n g an d a t a sa u d a r a ):

D A T A L IS T F IL E = 'D :\C o b a \M A T _ O K _ 1 _ P H 3 .T X T ' R E C O R D S = 2 /1 G R O U P 3 -4 ID _ T E S T E E 7 -3 6 (A )

/2 T R IE D 2 3 -2 5 R IG H T 3 0 - 3 2 P E R C E N T 3 6 -4 1 A B IL IT Y 4 6 - 5 3 S E 5 7 -6 4 . F O R M A T T R IE D R IG H T (F 3 .0 ) P E R C E N T ( F 1 1 .2 ) A B IL IT Y S E (F 8 .4 ).

E X E C U T E .

Pad a SPSS D at a Ed it o r , v a r i a b e l ID _TESTEE b e r a r t i i d e n t i t a s p e se r t a t e s, TRIED ad a la h j u m l a h u sah a y an g t e la h d ila k u k a n p e se r t a t e s u n t u k m e n j a w a b b u t ir so al y an g t e r se d i a , RIG H T m e n u n ju k k a n j u m l a h j a w a b a n b e n a r d ar i p e se r t a t e s, PERCEN T ad a la h p e r se n t a se j a w a b a n b e n a r y a n g i d e n t i k d e n g an N ILA I sk ala 1 0 0 p ad a p e n ila ia n se c a r a k lasik . A BILITY m e r u p a k a n h asil e st i m a si IRT a t a s k e m am p u an p e se r t a t e s d e n g an k isa r a n an g k a a n t a r a - 4 sa m p a i + 4 se su a i d e n g an r e n t a n g sk o r b ak u . A BILITY h asil e st i m a si IRT in i k ad an g ju g a d iu b ah d a lam sk ala 1 0 0 d e n g an r u m u s A B ILIT Y_1 0 0 = 1 2 ,5 * A BILITY+ 5 0 .

Tugas C:

• Bu a t v a r i a b e l N ILA I_1 0 0 d an A B ILIT Y_1 0 0 b e r d a sa r k a n p e n je la sa n d i a t a s. • Lak u k an a n a l i si s d e sk r i p t i f y an g m e n c a k u p M e a n , M a x i m u m , M in im u m ,

St a n d a r d D e v iat io n d a r i v a r i a b e l N I LA I_1 0 0 , A BILITY, A B ILIT Y_1 0 0 d ar i d at a y an g d ip e r o le h d ar i si n t a k s SPSS d i a t a s. Ce r m a t i h a si l n y a .

• Bu a t d ia g r am p e n c a r (sc a t t e r p lo t ) N ILA I_1 0 0 k la sik d e n g an A BILITY d an A B ILITY_1 0 0 .