T1__Lampiran 7 Institutional Repository | Satya Wacana Christian University: Pengaruh Faktor Orang Tua terhadap Kejadian Defisiensi Zinc (Zn) pada Siswa Kelas V di SDN Dukuh 02 Salatiga

136

LAMPIRAN 10

UJI VALIDITAS dan REABILITAS

Scale: ALL VARIABLES (Economy’s Score)

Case Processing Summary

N %

Cases

Valid 34 100,0

Excludeda _{0 ,0}

Total 34 100,0

a. Listwise deletion based on all variables in the

procedure.

Reliability Statistics

Cronbach's

Alpha

N of Items

,317 6

Item-Total Statistics

Scale Mean if

Item Deleted

Scale Variance

if Item Deleted

Corrected

Item-Total Correlation

Cronbach's

Alpha if Item

Deleted

e_1 9,59 3,947 ,033 ,335

e_2 9,50 4,076 -,066 ,391

e_3 8,65 1,690 ,574 -,293a

e_4 9,68 4,529 -,250 ,458

e_5 9,74 4,201 -,102 ,397

e_6 9,03 1,666 ,601 -,330a

a. The value is negative due to a negative average covariance among items. This

137

Scale: ALL VARIABLES (Pengetahuan’s Score)

Case Processing Summary

N %

Cases

Valid 34 100,0

Excludeda _{0 ,0}

Total 34 100,0

a. Listwise deletion based on all variables in the

procedure.

Reliability Statistics

Cronbach's

Alpha

N of Items

,518 18

Item-Total Statistics

Scale Mean if

Item Deleted

Scale Variance

if Item Deleted

Corrected

Item-Total Correlation

Cronbach's

Alpha if Item

Deleted

p_1 29,71 11,729 ,168 ,504

p_2 29,68 11,438 ,260 ,490

p_3 28,68 9,801 ,223 ,499

p_4 29,71 12,032 ,080 ,519

p_5 29,74 11,776 ,153 ,507

p_6 29,65 11,508 ,243 ,493

p_7 29,62 11,152 ,363 ,474

p_8 29,71 12,032 ,080 ,519

p_9 29,68 12,286 ,008 ,529

p_10 29,76 11,155 ,340 ,476

p_11 29,53 12,378 -,005 ,529

p_12 29,50 11,591 ,177 ,503

p_13 28,65 9,750 ,281 ,476

p_14 29,62 12,607 -,081 ,542

p_15 29,74 11,958 ,074 ,521

138

p_17 29,41 11,159 ,294 ,481