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. Author manuscript; available in PMC: 2022 Sep 8.
Published in final edited form as: J Alzheimers Dis. 2020;74(2):491–500. doi: 10.3233/JAD-191323

Table 4.

Serial Reaction Time Task Performance as a Function of Group, Block Type, and Demographics

Dependent Variables Mean Reaction Time Commission Error Number Omission Error Number
b p b p b p
Group 53.45 .00** 1.34 .00** .62 .00**
Block Type†† 44.50 .00** −.31 .32 .06 .70
Group*Block Type −15.91 .38 −1.07 .02* −.39 .07
Age 3.17 .00** .03 .12 .04 .00**
Sex††† −18.60 .05* .48 .04* −.17 .14
Education −4.85 .01* −.16 .00** .02 .30
N 336 336 336
Adjusted R2 .18 .16 .07

Dummy variable that equals one if a participant is in the mild cognitive impairment (MCI) group, and zero otherwise

††

Dummy variable that equals one if a block is a random block, and zero otherwise

†††

Dummy variable that equals one if a participant is male, and zero otherwise

*

p < .05

**

p < .01