Learning and Evaluation/Archive/Learning modules/3Construct Validity

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Construct Validity

Does a question measure what it is really supposed to measure?


For example, does an intelligence test really measure intelligence?


Objective: A program leader wants to know what the quality level is of their images from Wiki Loves Monuments that just ended last month.


Very poor contruct validity: Number of images uploaded to Commons as a measure of quality for WLM implementation.


Poor construct validity: Measuring the quality rating one week after the event to determine if the photos quality.


Better construct validity: Measuring the quality rating three months after the event to determine the proportion of photos with a Quality rating.