Child Development and Pedagogy · Research Methods in Psychology
किस विधि में एक ही बालक का लंबे समय तक क्रमिक अध्ययन किया जाता है?
- 1सांख्यिकीय विधि
- 2प्रयोगात्मक विधि
- 3क्षैतिज (अनुप्रस्थ) विधि
- 4लम्बात्मक (अनुदैर्ध्य) विधि✓
सही उत्तर देखें
लम्बात्मक (अनुदैर्ध्य) विधि
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