Table 2

Correlations between cognitive function score and grade or intrinsic academic motivation score

Intrinsic academic motivation score

Cognitive function score

Grade [4th - 9th (n = 267)]

Elementary school [4th - 6th (n = 134)]

Junior high school [7th - 9th (n = 133)]

List learning test, score

.240**

.107

.209^†

List recall test, score

253**

.086

.186^†

Digit span forward test, score

.370**

.159

.262^††

Symbol digit modalities test, score

.544**

.255^††

.098

Semantic fluency test, score

.433**

.197^†

.152

Figure copying test, score

.126*

.070

.152

Kana pick-out test

Kana pick-out number

.555**

.117

.036

Kana omission number

-.044

-.014

-.040

Kana pick-out score

.529**

.102

.051

Score for story comprehension

.264**

.074

.264^††

Modified advanced trail making test

RT on task A, s

-.525**

-.102

-.112

RT on task B, s

-.501**

-.224^†

-.095

RT on task C, s

-.476**

-.225^†

-.107

RT on task D, s

-.419**

-.269^††

-.135

RT on task E, s

-.461**

-.235^††

-.144

RT, reaction time. Values are presented as Spearman's rank or Pearson's correlation coefficients. * p < .05, **p < .01, significant correlation (Spearman's rank correlation test); ^†p < .05, ^††p < .01, significant correlation (Pearson's correlation test).

Mizuno et al. Behavioral and Brain Functions 2011 7:4   doi:10.1186/1744-9081-7-4