Scores are supposed to represent what they are meant to when a measure has excellent test-retest reliability and internal consistency. Is a measure of compassion, for example, truly assessing compassion but not a separate construct like empathy? Validity may be measured using theoretical or experiential methods, and it is best to use both. To answer the question, what does valid mean? We can simply state that the amount to which a measure accurately characterizes the basic concept that it is meant to be measured is referred to as validity or construct validity.
Validity and reliability go together in psychology or another social research. Making sure your research is valid and reliable.Difference between validity and reliability.Convergent validity and Discriminant validity.
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