Construct validity is defined as the degree to which a test measures what it claims to be measuring.

Construct validity is defined as the degree to which a test measures what it claims to be measuring.

• A. The degree to which a test measures what it claims to be measuring
• B. The stability of test scores over time
• C. The agreement between raters
• D. The range of scores across items

Answer: (A)

Construct validity is about whether a test measures the theoretical concept it is intended to measure. The statement that describes the degree to which a test measures what it claims to be measuring captures this idea directly, because validity depends on alignment between the test’s outcomes and the actual construct of interest. In practice, establishing construct validity involves showing that the test relates to other measures in theoretically expected ways (convergent and discriminant validity), that its underlying factor structure fits the construct, and that it can distinguish between groups known to differ on that construct. This is distinct from reliability, which is about consistency of scores over time, or inter-rater agreement, which is about how closely different raters align, and from the range or variability of scores, which reflects dispersion rather than whether the test measures the intended construct.

Construct validity is about whether a test measures the theoretical concept it is intended to measure. The statement that describes the degree to which a test measures what it claims to be measuring captures this idea directly, because validity depends on alignment between the test’s outcomes and the actual construct of interest. In practice, establishing construct validity involves showing that the test relates to other measures in theoretically expected ways (convergent and discriminant validity), that its underlying factor structure fits the construct, and that it can distinguish between groups known to differ on that construct. This is distinct from reliability, which is about consistency of scores over time, or inter-rater agreement, which is about how closely different raters align, and from the range or variability of scores, which reflects dispersion rather than whether the test measures the intended construct.