Enumerate characteristics of psychological test.
Answers
The characteristics of a psychological test are:
1. OBJECTIVITY:
the test should be free from subjective-judgement regarding the ability,skill,knowledge,trait or potentiality to be measured and evaluated.
2.RELIABILITY:
this refers to the extent to which the obtained results are consistent. when the test is administered on the same sample for more than once with a reasonable time gap a reliable tets will yield the same scores.
3.VALIDITY:
it refers to extent to which the test measures what it intends to measure. it explains whether the test fulfils the objective of its development.
4.NORMS:
it refers to average performance of a represntative sample on a given test.it gives us a standard score.
5.PRACTICABILITY:
the test must be practicable in- time required for completion, the length, the number of items, scoring etc.