Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Research Aptitude Research methodology Qualitative Research
Which among the following research designs are likely to suffer from the problem of sample attrition?
A. Cross-sectional studies
B. Longitudinal studies
C. Panel studies
D. Cohort studies
Choose the correct answer from the options given below:
1
A and B only
2
A, B and D only
3
A, C and D only
4
B, C and D only