When a study properly measures what it set out to measure, it is considered:Question 8Answera.To have test-retest reliabilityb.Internally validc.Externally validd.To have an appropriate sample size
Question
When a study properly measures what it set out to measure, it is considered:Question 8Answera.To have test-retest reliabilityb.Internally validc.Externally validd.To have an appropriate sample size
Solution
The study is considered to be internally valid when it properly measures what it set out to measure. Internal validity refers to how well an experiment is done, especially whether it avoids confounding (more than one possible independent variable [cause] acting at the same time). In other words, it's the extent to which we can be confident that the cause-effect relationship established in the study is not influenced by other factors or variables.
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_____________ is the ability of an assessment instrument to measure what it purports to measureQuestion 10Answera.generalizabilityb.reliabilityc.objectivityd.validity
validity is relevant when we want to interpret a test as a measure of some characteristic or construct that is not observed simply or overtly
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If you want to be sure that your test has content validity, the items must FIRST pass the scrutiny of ______.a.Test constructorsb.Experts in the field testedc.Statistical studyd.Through research
Impact on Reliability and Validity • Reliability: The consistency of test scores over time. High measurement error reduces reliability, making it difficult to replicate results (Cohen & Swerdlik, 2018). • Validity: The extent to which a test measures what it claims to measure. Measurement error can compromise the validity of test results, leading to incorrect conclusions about the construct being measured (American Psychological Association, 2020). Relationship Between Establishing Test Validity and Using the Scientific Method Establishing test validity involves ensuring that a test accurately measures the intended construct. This process is closely aligned with the scientific method, which involves systematic observation, measurement, and experimentation (elaborate it little more with info and write it in APA 7th Style format )
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