Your Guide to Validity and Reliability in Behavioural Assessment Instruments

 


Behavioural assessment instruments are central to education, psychology, and HR. For them to be of value and worth, they must show validity—what they measure, they say they measure—and reliability, producing the same results consistently over time.

Validity includes:

Content Validity: Encompasses all aspects of the concerned behaviour.

Construct Validity: Agreement with theoretical constructs.

Criterion Validity: Agreement with outcomes of other valid tools.

A balance between reliability and validity yields valid behaviour measurements. Hybrid modes and multimodal data sources can reinforce the balance and deepen insight and decision-making.



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