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What is Validity?

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construct validity

What is Validity?

Cronbach (1971) described validation as the process by which a test developed or test user collects evidence to support the types of inferences that are to be drawn from test scores. Nunnally and Bernstein (1994) say the term validity denotes the scientific utility of a measuring instrument, broadly statable in terms of how well it […]

arnold on Oct 17, 2008

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construct validity

What is Construct Validity?

Starting from the beginning, measurements of an observable behavior are taken and the test developer draws an inference about the amount of the theoretical construct that characterizes an individual. A construct provides an efficient and convenient method for labeling a number of similar behaviors. Through the use of constructs, the observer can begin to classify […]

arnold on Oct 05, 2008