Dr Fletcher Is Interested in Whether Joining a Fraternity/sorority Causes

question 12

Multiple Choice

Dr. Fletcher is interested in whether joining a fraternity/sorority causes people to become more concerned about their attractiveness and appearance. He recruits a group of 55 freshmen (25 males, 30 females) who are planning to go through fraternity/sorority recruitment on his campus. After they join, he gives them a measure of attractiveness concern/appearance concern (the Body Concern Scale) .
Suppose Dr. Fletcher finds that joining a fraternity/sorority reduces self-esteem about one's appearance. Who could his study generalize to?

• A)Students in fraternities/sororities
• B)College students
• C)All individuals with low self-esteem
• D)University graduates who were in fraternities/sororities

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Definitions:

T Test

A statistical test used to compare the means of two groups and determine if there are statistically significant differences between them.

Pooled Standard Deviation

A method for calculating the overall standard deviation from multiple samples or groups, combining variances to assess overall variability.

Cohen's D

A measure of the standardized difference between two means, commonly used in the context of effect size in statistics.

Effect Size

A quantitative measure of the magnitude of the difference between groups or the size of a relationship between variables.