The control group serves as a baseline in experimental designs and does not receive the experimental treatment. This allows researchers to isolate the effect of the independent variable by comparing the control group with the experimental group.
| LIST I(Explanation) | LIST II(Forms of Validity) | ||
|---|---|---|---|
| A | Content Validity | I | Pertains to whether the test appears valid to ex aminees who take it. |
| B | Concurrent Validity | II | A systematic examination of the test to deter mine whether it covers a representative sample of behaviour. |
| C | Predictive Validity | III | Validity of a test with another measure map ping the same behaviour. |
| D | Face Validity | IV | Effectiveness of a test in forecasting an indi vidual’s performance. |