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:

Denial

Denial is a defense mechanism where a person refuses to accept reality or facts, blocking external events from awareness.

Terminal Illness

A disease or condition that is incurable and expected to lead to the death of the patient within a relatively short period of time.

General Adaptation Syndrome

A three-stage response (alarm, resistance, exhaustion) that the body goes through when exposed to prolonged stress, as proposed by Hans Selye.

Panicked

A sudden, overwhelming feeling of fear or anxiety that often results in hasty or irrational behavior.