RESEARCH METHODS THINKING CRITICALLY WITH PSYCHOLOGICAL SCIENCE
THE SCIENTIFIC METHOD AND DESCRIPTION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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test-retest
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split-half
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informal
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formal
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Detailed explanation-1: -Some studies have shown that though the optimal time-interval between testing will vary depending on the construct being measured, on the stability of the construct over time and on the target population, the target time of 2 weeks is the most frequently recommended interval [15].
Detailed explanation-2: -Reliability and validity are independent of each other. A measurement maybe valid but not reliable, or reliable but not valid.
Detailed explanation-3: -Reliability is the degree to which an assessment tool produces stable and consistent results. Test-retest reliability is a measure of reliability obtained by administering the same test twice over a period of time to a group of individuals.
Detailed explanation-4: -It is possible to have a measure that has high reliability but low validity-one that is consistent in getting bad information or consistent in missing the mark. *It is also possible to have one that has low reliability and low validity-inconsistent and not on target.