PSYC 3020 : Ch 7_
Document Summary
Measures what it was designed to measure . Types of validity (there were different typescontent, construct, criterion. using these 3 types implied we could call it valid or not valid. Researchers began to point out problems with this. While a test could be valid for certain purposes, it"s not valid for all purposes) Tests are valid or invalid: current view: Does it actually measure a single concept if that"s what it"s supposed to. If we have different subgroups of test takers we want to make sure they all perform the same: -relations with other variables (formerly cirterion-related and construct validity. The people who did poorly didn"t get a job. Not valid in terms of how they were being used: content validity, evidence based on test content, construct: an attribute, trait, or characteristic that is abstracted from observable behaviors. * the domain of interest was chapters 1-4 and want to cover each of them equally (on our test 1).
