Does drinking coffee affect reaction time in a Stroop effect test during the morning and evening time?
(2x2 Factorial design, repeated measure ANOVA)
1st IV: Drink coffee (1 cup) vs no coffee (between-subjects design)
2nd IV: Coffee experimental group will have one cup of coffee in the morning and evening respectively (within-subjects)
DV: Reaction time
DATASET: Caffeine and Stroop task sav (attached)
Marking rubrics (please refer to page 18) and assignment guide have been attached for your review.
IMPORTANT NOTES:
- Please follow the structure and format in the assignment guide
- The experiment is a mix-subject design, therefore testing of assumptions must include both between and within types. (Instructed by lecturer)
- Participants are first divided into no coffee and coffee (between-subjects), then the coffee group will have coffee in the AM and PM (within-subjects).
Sample Solution