This research is a developmental research aiming at developing a good mathematical test instrument using polytomous responses based on classical and modern theories. This research design uses the Plomp model, which consists of five stages, (1) preliminary investigation, (2) design, (3) realization/construction, (4) revision, and (5) implementation…

Argues that tests should be used to improve instructional programs. Specific suggestions include the study of reports on test performance, item analysis on classroom tests, item analysis as a part of standardized test reports, use of diagnostic or inventory tests, and careful selection of test items. (PK)