An Experiment Was Done to Compare the Effect of Having

question 5

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)Variances are heterogeneous for all levels of the repeated-measures variable.
• B)Sphericity can be assumed in all conditions.
• C)None of the means in each driving condition differ from each other.
• D)Variances are homogeneous for all levels of the repeated-measures variable.

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Definitions:

Adult Role Models

Individuals who exhibit behaviors and qualities that are positive examples for others, especially younger people, to emulate.

Income Inequality

The uneven distribution of income within a population, leading to a gap between the wealthy and the poor.

American Mothers

Women living in the United States who have children, characterized by their parenting practices within the context of American culture.

Two-person Single Career

a relationship dynamic where one partner’s career is prioritized, and the other partner supports this, often sacrificing their own career advancements.