What this deck covers
This deck focuses on Validity Threats, giving you a quick way to review the definitions, rules, and examples that matter most for EPPP: Part 1, Knowledge.
EPPP: Part 1, Knowledge Flashcards: Validity Threats
Study Validity Threats in EPPP: Part 1, Knowledge with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.
QUESTION
What is the internal validity threat when control participants change behavior because they are denied treatment?
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ANSWER
Compensatory rivalry (John Henry effect). Control group increases effort to compete with treated participants, altering outcomes.
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EPPP: Part 1, Knowledge: Domain 7: Research Methods and Statistics
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