General Studies · Research Methods in Development
एक लंबी अवधि में एक ही बच्चों के समूह पर किए जाने वाले अध्ययन को ________ अध्ययन के रूप में जाना जाता है।
- 1प्रायोगिक (एक्सपेरिमेंटल)
- 2अक्षांशीय (लैटिट्यूडिनल)
- 3क्रॉस-सेक्शनल (अनुप्रस्थ काट)
- 4अनुदैर्ध्य (लॉन्गीट्यूडिनल)✓
सही उत्तर देखें
अनुदैर्ध्य (लॉन्गीट्यूडिनल)
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