An Experiment Was Done to Compare the Effect of Having

Multiple Choice

An experiment was done to compare the effect of having a conversation via a hands-free mobile phone, having a conversation with an in-car passenger, and no distraction (baseline) on driving accuracy. Twenty participants from two different age groups (18-25 years and 26-40 years) took part. All participants in both age groups took part in all three conditions of the experiment (in counterbalanced order) , and their driving accuracy was measured by a layperson who remained unaware of the experimental hypothesis.
-Which of the following would be the most appropriate method for analysing these data?

A) Two-way independent ANOVA
B) Two-way mixed ANOVA
C) Two-way repeated-measures ANOVA
D) One-way repeated-measures ANOVA