Table 1 Background and pretest characteristics of the three groups.

From: The early effects of external and internal strategies on working memory updating training

 

Strategy training group

Active control group

Passive control group

p

n

40

37

39

 

Years of Education

14.88 (3.88)

14.97 (3.93)

14.74 (3.42)

0.97

Age (Years)

24.32 (4.63)

24.11 (4.01)

24.08 (4.49)

0.96

Gender F/M

29/11

28/9

28/11

0.92

Pretest n-back composite

0.24 (5.15)

−0.58 (3.73)

0.30 (6.09)

0.71

  1. Values in parentheses are standard deviations. p values are calculated from one-way ANOVAs for continuous variables and χ2 test for the categorical variable gender.
  2. The n-back composite score comprised of the summed values of the z-transformations of the average and maximum level accuracy in the adaptive digit n-back task, and the d-prime values and RTs on correct target responses in the letter n-back and color n-back tasks.
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