Test validity is the extent to which a test (such as a chemical, physical, or scholastic test) accurately measures what it is supposed to measure. In the fields of psychological testing and ...

From the perspective of score interpretation, the purpose of testing accommodations is to reduce the dependence of test scores on factors that are irrelevant to the construct that is being assessed.

Visual dependence (VD) is heightened in pathologies where balance is compromised. It is measured using the Rod and Disk Test (RDT), traditionally delivered through a personal computer (PC). This ...

Individual and Nationwide Costs for Cancer Care During the First Year After Diagnosis Among Children, Adolescents, and Young Adults in Japan Development of the OOCAT involved extensive patient ...

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 ...

There is a distinction that one learns about on the first day of a course in psychological research methods. It is the difference between internal and external validity. Internal validity is ...