Qualities of a good test (1)

Post on 26-Dec-2014

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Transcript of Qualities of a good test (1)

The items on the test match the objectives targeted during instruction (Validity)

The spread of items on the test matches the level of emphasis for the different topics/areas during teaching

– number of items enough to adequately

measure the objectives

All markers have agreed to the same response and scoring.

The test should not be too easy that all score full marks or too hard that all score zero. Need a spread of items to give an appropriate spread of scores

Discrimination –should discriminate between the strongest and weakest students

Reliability – speaks to consistency in scores attained

Fairness ◦equal opportunity for all, matching test

items to objectives/lesson taught, conditions under which test is done etc.

Speed ◦enough time should be given for test takers

to adequately respond to the items/carry out tasks required.

Absence of bias ◦There should be nothing in or about the test

that discriminates against candidates from a personal perspective