Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Research Aptitude Steps of Research General Steps in Research
Identify the threats to internal validity associated with participants in a study.
(A) Testing threat
(B) Selection threat
(C) History threat
(D) Attrition threat
Choose the correct answer from the options given below:
1
(A), (B) and (C) Only
2
(B), (C) and (D) Only
3
(A), (B) and (D) Only
4
(A), (C) and (D) Only