We Want to Compare the Scores of Different Groups on a Measure

question 37

Multiple Choice

We want to compare the scores of different groups on a measure of reaction time. Three different groups were studied: patients with recent head injuries, patients with old head injuries, and a control group of non-injured people. We want to know which group of people has the fastest reaction time. What is the best statistical test to use to find this out?

• A) one-way ANOVA
• B) factorial ANOVA
• C) paired samples t -test
• D) correlation

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Definitions:

Steal Items

Taking items without permission or legal right, often secretly or by force.

Prejudice

is a preconceived opinion or judgment formed without just grounds or before sufficient knowledge, often based on stereotypes and leading to discrimination.

Negative Emotions

Feelings that are typically regarded as undesirable or disadvantageous, such as sadness, anger, fear, and jealousy, often arising in response to undesirable situations or thoughts.

Predispositions to Action

Inherent inclinations or tendencies to perform certain actions or behaviors, often influenced by genetic, environmental, or psychological factors.