Research Methodology · Research Aptitude
जब प्रतिभागी समय के साथ किसी अध्ययन से बाहर हो जाते हैं, जिससे नमूने (सैंपल) की विशेषताओं और संरचना में बदलाव आता है, तो यह आंतरिक वैधता के लिए निम्नलिखित में से किस खतरे का कारण बनता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1परीक्षण का खतरा (Testing threat)
- 2इतिहास का खतरा (History threat)
- 3मरणशीलता/क्षय का खतरा (Attrition threat)✓
- 4चयन का खतरा (Selection threat)
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मरणशीलता/क्षय का खतरा (Attrition threat)
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