Testing, assessment and psychometrics constitute a unified framework for quantifying psychological traits, abilities and behaviours. At its heart lies the construction and validation of measurement ...

People with spinal cord injury (SCI) usually have impairments of body function, resulting in limitations of activities and participation [1], and in some cases, a reduction of quality of life (QoL) [2 ...

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 ...

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) ...