Difference between Achievement Test and Diagnostic Test

by Yuvi - August 15, 2021

Q. Difference between Achievement Test and Diagnostic Test.

Achievement Test

1. Objective is to locate extent of mastery or learning objectives.
2. Purpose is selection, gradation, promotion, classification, research, etc.
3. It is evaluated in terms of scores/remarks.
4. Items/Students are analyzed on the basis of correct answers.
5. It may be quantitative or qualitative in nature depending on the skill being assessed.
6. Scoring and interpretation is relatively easy.
7. Subject specialists are not required.
8. Both Essay type and objective type of tests can be used.
9. During construction, sampling of the matter is done.

Diagnostic Test

1. Objective is to locate the specific weaknesses in the learning of a content.
2. Purpose is remedial teaching and instruction.
3. Does not necessarily provide concrete single scores.
4. Items/Students are analyzed on the basis of wrong responses.
5. It is always purely qualitative in nature.
6. Scoring and interpretation is difficult.
7. Subject specialists are required.
8. Essay type tests cannot be used for diagnosis.
9. During construction ALL the teaching-learning points are covered.