What type of validity uses a multitrait- multimethod matrix technique?

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Construct validity uses a multitrait-multimethod matrix technique to assess the validity of the constructs being measured. This approach involves evaluating the relationships between different measures of the same construct (convergent validity) and measures of different constructs (discriminant validity) to ensure that the measures accurately reflect the theoretical constructs they are intended to represent.

What Type of Validity Uses a Multitrait- Multimethod Matrix Technique