A Researcher Reports That the Mean Difference in the Body

question 33

Multiple Choice

A researcher reports that the mean difference in the body weight of rats following a pharmacological versus control treatment is 14 g,with a pooled sample variance equal to 256.What is the effect size for this test using estimated Cohen's d?

• A) d = 0.06; small effect size
• B) d = 0.08; small effect size
• C) d = 0.88; large effect size
• D) There is not enough information to answer this question.

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Definitions:

Casual Sex

Sexual activity between individuals without the necessity of a committed relationship.

Restrained Eaters

Individuals who consciously restrict their food intake in an effort to control their weight.

Food Related Behaviour

Actions or habits associated with the consumption, choice, and preference of food, influenced by a variety of factors including cultural, psychological, and environmental.

Set-Point Theory

The idea that the body regulates its weight and energy levels around a specific baseline, known as the set-point.