Test-retest reliability measures the consistency of test results over time by administering the same test to the same group on two separate occasions. A high correlation between the scores indicates reliability.
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. |
Europium (Eu) resembles Calcium (Ca) in the following ways:
(A). Both are diamagnetic
(B). Insolubility of their sulphates and carbonates in water
(C). Solubility of these metals in liquid NH3
(D). Insolubility of their dichlorides in strong HCI
Choose the correct answer from the options given below: