PSYC37H3 Chapter 5: PSYC37 - Ch. 5 Validity
Document Summary
Validity can be defined as the agreement between a test or measure and the quality it is believed to measure. Validity is sometimes defined as the answer to the question, does the test measure what it is supposed to measure? we use systematic studies to determine whether the conclusions from test results are justified by evidence. Psychologists recently have created many subcategories of validity, thus definitions of validity blossomed, making it hard to determine whether psychologists who referred to different types of validity were really talking about different things aspects". A joint committee of the american educational research association, the american. The consensus document cautions against separating validity into subcategories such as content validity, predictive validity, criterion validity: the use of categories does not imply that there are distinct forms of validity. Recall: there are three aspects of validity suggested by the joint committee.