Examlex
Sometimes a researcher will include an internal consistency check to ensure that reliable answers are being given by respondents.This is normally carried out by having two different questions that measure the same construct imbedded somewhere in the questionnaire.
Content Validity
The extent to which a test measures all aspects of the concept or construct it intends to assess.
Construct Validity
The extent to which an assessment accurately measures what it is supposed to measure.
Criterion Validity
The extent to which a measure is related to an outcome. It assesses whether a test reflects a certain set of abilities by correlating test results with a criterion measure.
Face Validity
The extent to which a test appears to measure what it is supposed to measure at face value.
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