Which of the following methods should be used for establishing reliability of the questionnaire?

سوالنامے کی وشوسنییتا کو قائم کرنے کے لیے درج ذیل میں سے کون سا طریقہ استعمال کیا جانا چاہیے؟
Answer: Test-retest method
Explanation

Test-retest method: This method involves administering the same questionnaire to the same group at two different times and then correlating the scores to assess the stability of the test over time.

This question appeared in Past Papers (2 times)
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