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Four Big Validities
When critically evaluating psychology experiments, researchers focus on four major validities to assess whether a study is sound and accurate: internal validity, external validity, construct validity, and statistical validity. Each of these four frameworks addresses a different dimension of the experiment's methodology, from how well it establishes causality and generalizes to the real world, to the quality of its manipulations and the appropriateness of its statistical conclusions.
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Research Methods in Psychology - 4th American Edition @ KPU
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Relationship Between Reliability and Validity
A researcher wants to measure the overall 'physical fitness' of adults. To do this, they measure how many push-ups each participant can complete in one minute. What is the most significant potential flaw in this measurement approach?
Criterion Validity
Types of Validity
Four Big Validities
In psychological research, what does the term 'validity' refer to?
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In research methods, validity addresses the accuracy of a measurement, ensuring that the data collected is a true representation of the phenomenon under study.
A researcher evaluates a study's 'Critical Thinking' test and concludes that the results are actually driven by the participants' 'Reading Comprehension' skills rather than their reasoning ability. By judging that the test fails to measure the specific construct it was intended to assess, the researcher is identifying a lack of _____.
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Statistical Validity
Internal Validity
External Validity
Construct Validity
Prioritizing Validities
Match each of the four big validities to the specific dimension of an experiment's methodology it addresses.
What is the primary purpose of evaluating a psychology experiment using the framework of the four big validities?
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In the critical evaluation of a psychological experiment, a researcher can reasonably justify the study as 'scientifically sound' even if it has low external validity, provided that internal validity is maximized to test a specific causal theory.
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