What is construct validity?Ĭonstruct validity is about ensuring that the method of measurement matches the construct you want to measure. But based on existing psychological research and theory, we can measure depression based on a collection of symptoms and indicators, such as low self-confidence and low energy levels. There is no objective, observable entity called “depression” that we can measure directly. If you are doing experimental research, you also need to consider internal and external validity, which deal with the experimental design and the generalizability of results. Note that this article deals with types of test validity, which determine the accuracy of the actual components of a measure. In quantitative research, you have to consider the reliability and validity of your methods and measurements.
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