When the results of a particular method of measurement are considered reliable they are quizlet?

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Is based in the extent to which a test measures a theoretical construct, attribute, or trait
-attempts to validate a body of theory underlying the measurement by testing the hypothesized relationships

- hypothesis testing approach

- convergent and divergent approach
-----convergent - Sometimes two or more instruments that theoretically measure the same construct are identified, and both are administered to the same subjects
------divergent - Uses measurement approaches that differentiates one construct form others that may be similar

- contrast group approach - researcher identifies two groups of individuals who are suspected to score extremely high or low in the characteristic being measured by the instrument. The instrument is sensitive to individual differences in the trait being measured, the mean performance of these two groups should differ significantly and evidence of construct validity would be supported

- factor analytical approach - This is a procedure that gives the researcher information about the extent to which a set of items measures the same underlying construct or dimension of a construct

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When the results of a particular method of measurement are considered reliable they are?

Test-retest reliability . Test-retest reliability is a measure of consistency between two measurements (tests) of the same construct administered to the same sample at two different points in time. If the observations have not changed substantially between the two tests, then the measure is reliable.

What does it mean for a measurement to be reliable?

Reliability refers to how consistently a method measures something. If the same result can be consistently achieved by using the same methods under the same circumstances, the measurement is considered reliable. You measure the temperature of a liquid sample several times under identical conditions.

What are the methods of determining the reliability of a measure?

Here are the four most common ways of measuring reliability for any empirical method or metric: inter-rater reliability. test-retest reliability. parallel forms reliability.

When a measure is highly reliable quizlet?

A measure is said to have a high reliability if it produces consistent results under consistent conditions.

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