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A construct is an ideal “object” that is not directly observable, as opposed to “real” observable objects

Operationalizing a construct is the process of defining a construct to make it observable and quantifiable

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Example

Validity

Construct validity

• Content validity: Does the test consist of a content that the population and sample should know
• Convergent validity: Does the test correlate with other, established measures?
• Divergent validity: Does the test correlate less well with measures designed to test a different type of ability?
• Nomological validity: Are scores on the test consistent with more general theories.