A Researcher Reports That the Mean Difference in Response Time

question 55

Multiple Choice

A researcher reports that the mean difference in response time to an auditory versus a visual cue is 0.83 s,with a pooled sample variance equal to 2.45.What is the effect size for this test using estimated Cohen's d?

• A) d = 0.53; medium effect size
• B) d = 0.53; large effect size
• C) d = 0.34; small effect size
• D) d = 0.34; medium effect size

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Definitions:

Gender-role Stereotype

Preconceived notions or beliefs about the roles and behaviors appropriate for individuals based on their gender.

Expectation

A belief or anticipation regarding the outcome of certain events, actions, or behaviors.

Behavior

The actions, reactions, or functioning of an individual or system in response to external or internal stimuli.

Emotional Needs

The psychological requirements for well-being, such as feeling loved, valued, and a sense of belonging.