they differ in the way they are scored and interpreted, and criterion-reference achievement tests don't have a norm group
*(college, grade school, and careers)
measure individual or group achievement in a variety of subject areas
indicate what percentage of students in the norming group scored lower than a particular score
to predict students’ future performance in a course of study, diagnose students’ difficulties, serve as a formative test of students’ progress, and serve as summative tests of learning
the ability to learn, problem solve, and deal with abstractions
to focus on a specific content area and emphasize the skills that are thought to be important for the mastery of that subject
a measure of how spread out scores are
evaluate students' progress and teacher/school effectiveness in teaching
When small numbers of scores extending well above and below the mean of scores
they may not adequately represent content that had been taught in a classroom setting
students don’t gain steadily in achievement from month to month and scores that are far expected from grade level do not mean what they appear to mean
provide information that is important for remediation and guide curriculum development/revision when certain areas in the curriculum are weak
intervals between NCE are equal and with percentiles, they’re not