Which of the following is the best method of validity?
Correct Answer: Criterion validity
Description: 1. Content validity: Measurement of all variable components.
2. Consensual validity: If no. of experts agree to a parameter.
3. Criterion validity: If compared with a reference or gold standard.
It is the best measure of validity.
Usually expressed as sensitivity & specificity.
4. Discriminant validity: If not showing a strong correlation between 2 variables.
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