16.1 - Reliability and Validity, Introduction

Question 1

Objectivity

Answer 1

Test or measure should yield similar outcomes, no matter who is administrating the measure (only true with skilled people using it)

Question 2

Reliability

Answer 2

Consistency of the measure at different points in time or across circumstances

Question 3

Validity

Answer 3

The extent to which a measure assesses what it’s intended to measure. Different aspects of validity are measurable