An Experiment Was Done to Compare the Effect of Having $\chi$

question 10

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 sentences regarding the output below is correct?

• A)The output shows that the assumption of sphericity has been violated,\(\chi\)² (2)= 0.81,p = .17.
• B)The output shows that the assumption of sphericity has been violated,\(\chi\)² (2)= 3.58,p > .05.
• C)The output shows that the assumption of sphericity has been met,\(\chi\)² (2)= 0.81,p > .05.
• D)The output shows that the assumption of sphericity has been met,\(\chi\)²(2)= 3.58,p = .17.