Supplementary Table 5. Simple slope test results of infant absolute EEG power between more fixed- and growth-mindset mothers at low and high levels of maternal stress (N = 33)
Low Maternal Stress (PSS = -1 SD)
High Maternal Stress (PSS = +1 SD) Difference
(fixed – growth)
F-statistic Significance (p)
Difference (fixed – growth)
F-statistic Significance (p)
𝛿 power 0.14 2.28 .15 -0.09 2.17 .15
𝜃 power 0.17 3.07 .09 -0.12 3.48 .08
Low 𝛼 power 0.16 2.43 .13 -0.10 1.84 .19
High 𝛼 power 0.16 3.19 .09 -0.06 1.00 .33
𝛽 power 0.18 4.45 .05 -0.05 0.65 .43
𝛾 power 0.18 4.37 .05 -0.03 0.27 .61
Notes. Fixed- and growth mindsets are represented by prototypical values on the Theory of Intelligence scale, which are equal to -1 and +1 on our re-coded scale, respectively.
