निम्नलिखित में से कौन से शब्द गुणात्मक अनुसंधान (Qualitative Research) के मूल उद्देश्य को सबसे अच्छी तरह दर्शाते हैं? A. समझ (Understanding) B. स्पष्टीकरण (Explanation) C. विवरण (Description) D. अन्वेषण (Exploration) E. व्याख्या (Interpretation)

Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): Though ex-post facto research examines cause and effect relationships, it is not part of experimental research. Reason (R): In ex-post facto research, the effect or change in the independent variable has already occurred and cannot be manipulated. In the light of the above statements, choose the most appropriate answer from the options given below:

Given below are two statements: one is labeled as Assertion (A) and the other is labeled as Reason (R). Assertion (A): In non-probability sampling, the units are selected at the discretion of the researcher. Reason (R): Non-probability samples do not require a sampling frame. In the light of the above statements, choose the most appropriate answer from the options given below: