Match List I with List II
| List I : Threat to Internal validity | List II : Situation/Explanation | ||
| A. | Maturation | I. | The emotional tirade of a teacher |
| B. | History | II. | Volunteers in experimental group |
| C. | Testing | III. | Subjects become tired |
| D. | Selection bias | IV. | Effect on pre test of proficiency in subsequent tests |
Choose the correct answer from the options given below:
1
A - I, B - III, C - IV, D - II
2
A - IV, B - II, C - I, D - III
3
A - III, B - I, C - IV, D - II
4
A - III, B - II, C - I, D - IV