This article extends the work by Armstrong and Shi on CUmulative SUM (CUSUM) person-fit methodology. The authors present new theoretical considerations concerning the use of CUSUM person-fit statistics based on likelihood ratios for the purpose of detecting cheating and random guessing by individual test takers. According to the Neyman-Pearson…

A broad scientific perspective that recognizes the child's social environment is needed in school psychology practice. The chances of influencing change expand when psychologists switch from an intrapsychic model to a social systems (group process) framework for testing referrals. Intrapsychic explanations create a mechanism for educators to avoid…