Those of us in the business of psychological measurement use the terms reliability and validity a lot. You've probably seen those terms on the Psychology Today website (they appear thousands of times) ...

Background: Self-report questionnaires play an important role as outcome measures in shoulder research. Having an estimate of the measurement error of these ...

RESULTS: Internal consistency and test-retest reliability of the FACT-O were adequate. Overall, the scales correlated with other measures as expected; all correlations were in the hypothesized ...

Sufficient scientific data exist to reassure nurse educators that HESI specialty exams and HESI exit exams can be used confidently to assess students' progress throughout the nursing curriculum and ...

An online survey created as a resource for critical care nurses to assess the health of the work environment is a valid and reliable tool for use by interprofessional patient care teams throughout ...

In my previous blog post, I noted that reliability and validity are two essential properties of psychological measurement. Measures of intelligence, personality, vocational interests, and so forth ...