Q.
A group of 25 subjects were tested on reaction time under three conditions – low stressful, moderately stressful, and highly stressful. The data were analysed by suitable ANOVA. What would be the degrees of freedom for ‘stressfulness × subjects’ interaction ?
[A] 2
[B] 3
[C] 24
[D] 48
Answer & Explanation
Answer: 48