A Researcher Who Is Studying Methods of Decreasing Test Anxiety

question 16

Multiple Choice

A researcher who is studying methods of decreasing test anxiety decides to measure anxiety in a group of volunteers both before and after an experimental intervention. He finds that anxiety levels are lower after the intervention. However, when reviewing his results, the researcher notes that the first test occurred about a week before midterm exams and the second test occurred two weeks after the exams. This study appears to have a problem with ____.

• A) internal validity
• B) external validity
• C) reliability
• D) accuracy

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Definitions:

Labour Content

The total amount of work effort, measured in labor hours or cost, required to produce a unit of product or service.

Wage-Incentive Plans

Compensation strategies designed to motivate employees by linking a portion of their pay directly to their performance, productivity, or efficiency.

Standard Time

The established duration within which a task or operation should be completed, often used in productivity measurement and workforce planning.

Worker Performance Ratings

Evaluations that measure the effectiveness and efficiency of an employee's work output and quality.