Читать книгу Interpreting and Using Statistics in Psychological Research - Andrew N. Christopher - Страница 53

 1. Reliability refers to a measurement’s consistent scores, whereas validity refers to how appropriate a measure is to use in a given context.

 2. Construct validity concerns how well a variable is operationalized. Criterion validity concerns how well a measurement tool predicts some outcome.

 3. Scale data are meaningful numeric data; with nominal and ordinal data, the numbers are identifiers. With scale data, the differences between numbers are meaningful and allow us to use a wide range of statistical tools to understand them.

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 5. c

 6. d

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