Dr.Fletcher is interested in understanding 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,where higher scores indicate higher body concerns).
-In addition to measuring the body concern of the participants who joined a fraternity/sorority immediately before and immediately after they join,Dr.Fletcher measures them for the three weeks before and the three weeks after.Based on the results below,explain whether Dr.Fletcher should be concerned about a testing threat to internal validity.
Definitions:
Test Preparation
Activities and study strategies undertaken to ready oneself for an upcoming examination.
Test Anxiety
A condition characterized by excessive stress and worry before or during exams, potentially affecting performance.
Overcoming Obstacles
The process of identifying and surmounting barriers to achieve a goal or complete a task.
Performance Appraisal
A systematic evaluation process in which an employee's job performance is assessed, typically by their manager, against predefined standards or objectives.
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