A Repeated-Measures Study Uses a Sample of N = 15

question 9

Multiple Choice

A repeated-measures study uses a sample of n = 15 participants to evaluate the mean differences among four treatment conditions.In the analysis of variance for this study,what is the value for df between treatment?

• A)3
• B)4
• C)5
• D)59

---

Definitions:

Program Developers

Professionals who plan, design, implement, and evaluate programs, often within educational, social, or health-related fields, to meet specific needs or objectives.

Qualitative Research

A research methodology that emphasizes understanding complex human behaviors through observation, interviews, or analysis of texts and materials.

Attitudes and Behaviors

Psychological concepts where attitudes refer to one's feelings and beliefs about something, while behaviors are the actions stemming from these attitudes.

Evaluating Interventions

The process of assessing the effectiveness and impact of interventions to determine their value and potential improvements.