CHES (Certified Health Education Specialist) Practice Exam 2025 – Your All-in-One Guide to Exam Success!

Construct validity refers to how well a test or instrument measures the theoretical construct it is intended to measure. In other words, it examines whether the outcomes of the test align with the theoretical concepts and relationships that are expected based on prior research and theory. Thus, measures that are theoretically expected to relate to the construct in question can demonstrate construct validity if they correlate significantly.

When a measure is established to have construct validity, it indicates that the test results should correspond with outcomes from other measures that also assess the same construct, thereby reinforcing the credibility and accuracy of the instrument being used. This is pivotal in ensuring that assessments are not only reliable but also genuinely reflective of the targeted theoretical framework.

The other options, while they may touch on relevant aspects of research and assessment, do not directly address the specific nature of construct validity as it pertains to theoretical relationships. For instance, responses from different demographic groups may reflect variances in perspective or experience but do not inherently validate a construct. Similarly, the grade level of testing materials and the variability of the sample population provide context but do not correlate directly with the theoretical constructs being evaluated.