If we suggest that x causes y, can we be sure that it is x that is responsible for the variation in y? This relates to:यदि हम कहें कि x के कारण y होता है, तो क्या हम सुनिश्चित हो सकते हैं कि y में भिन्नता के लिए x ही उत्तरदायी है? यह संबंधित है:
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Correct answer: C. internal validityआंतरिक वैधता
Explanation
Whether a conclusion that x causes y really holds (i.e. no other factor produces the variation in y) is the question of internal validity. External validity concerns generalisation beyond the study, ecological validity concerns natural settings, and reliability concerns consistency of measurement.यह निष्कर्ष कि x के कारण y होता है, वास्तव में सही है या नहीं (अर्थात् y में भिन्नता किसी अन्य कारक से तो नहीं), यह आंतरिक वैधता का प्रश्न है। बाह्य वैधता सामान्यीकरण से, पारिस्थितिक वैधता स्वाभाविक परिवेश से और विश्वसनीयता मापन की संगति से संबंधित है।More Research Aptitude questions
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