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Validity
Title: Validity
Category: Literature / English
Details: Words: 283 | Pages: 1.2 (approximately 235 words/page)
Validity
Key Terms (pp. 344-347)
concurrent validity- A classification of criterion validity whereby a new measure correlates with a criterion measure taken at the same time (p. 344.)
predictive validity- A classification of criterion validity whereby a new measure predicts a future event or correlates with a criterion measure administered at a later time (p. 344.)
construct validity- The ability of a measure to conform a network of related hypotheses generated from a theory based on concepts (p. 344.)
discriminant …showed first 75 words of 283 total…
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…showed last 75 words of 283 total…United Parcel Service’s ERI survey demonstrates the sensitivity of a scale.
Reliability and Validity
The measure of a man’s physiological response to a porterhouse steak (ex. saliva production) on a restaurant’s menu may be highly reliable. Though the response doesn’t constitute a valid measure of purchase intention, because it doesn’t consider his wife asking him to try a healthier chicken platter. This example illustrates the difference between reliability and validity.
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