degree to which the instrument measures what it intends to measure. It involves collecting and analyzing data to assess the accuracy of an instrument
New cards
2
Face Validity
simplest and easiest type of validity where in the validator skim the surface of the instrument in order to form an opinion. Moreover, it is often criticized as the weakest form of validity
New cards
3
Content Validity
appropriateness of the content of an instrument. A type of validity that most often includes expert or people familiar with the construct being measured. The expert make judgement about the degree to which the items in the questionnaire match the objective of the study.
New cards
4
Criterion Validity
measures how well the relationship between a measure and an outcome.
New cards
5
Construct Validity
how well a test measures what it claims to measure. It is used to know whether the operational definition of a construct align to the true theoretical meaning of a concept.
New cards
6
Stability or Test-retest reliability.
simplest type of reliability where in the same questionnaire is administered twice and correlation between two set of score is computed.
New cards
7
Split-half method
Also called equivalent or parallel forms. This is done by administering two different set of questionnaire but with same topic and correlation between two set of score is computed.
New cards
8
Internal consistency
when the instrument measures a specific concept. It is estimate based on a single form of test administered on a single occasion.
Studied by 2 people
