This Digest introduces the advantages and disadvantages of three commonly used methods of reporting test score changes: (1) change in percentile rank; (2) scale or raw score change; and (3) percent change. The change in percentile rank method focuses on the increase or decrease of the mean percentile ranking for a group of students. This method…

Test validity refers to the degree to which the inferences based on test scores are meaningful, useful, and appropriate. Thus, test validity is a characteristic of a test when it is administered to a particular population. This article introduces the modern concepts of validity advanced by S. Messick (1989, 1996, 1996). Traditionally, the means of…

An earlier Digest described the shortcomings of three methods commonly used to summarize changes in test scores. This Digest describes two less commonly used approaches for examining changes in test scores, those of Standardized Growth Estimates and Effect Sizes. Aspects of these two approaches are combined and applied to the Iowa Test of Basic…

This Digest outlines five skills that will increase the likelihood that school counselors interpret test information correctly. These skills are: (1) understanding what norm-referenced tests are and what they do; (2) understanding the properties of a normal curve; (3) knowing the properties of common score types; (4) recognizing the difference…

This Digest addresses developing scoring rubrics, administering performance assessments, and scoring, interpreting, and using results. In developing scoring rubrics, the criteria within the scoring rubric should be clearly aligned with the requirements of the task and the state goals and objectives. They should also be expressed in terms of…

Five of the common misuses of tests are reviewed: (1) acceptance of the test title as an accurate and complete description of the variable being measured (failure to examine the manual and the items carefully to know the specific aspects to be tested can result in misuse through selection of an inappropriate test for a particular purpose or…

This digest provides an overview of the concept of alignment and the role it plays in assessment and accountability systems. It also discusses methodological issues affecting the study of alignment and explores the relationship between alignment and test score interpretation. Alignment refers to the degree of match between test content and subject…

A discussion of appropriate ways of preparing students to take standardized tests is presented for school administrators. The point at which preparation practices move beyond the ethical depends on the inferences one wishes to draw from test scores. Inferences drawn from test scores are general in nature and will be inaccurate if instruction is…

This digest on test uses in counseling discusses the selection, administration, and scoring of tests; the interpretation of test results; and communication of results to clients. It examines such issues in testing as confidentiality, counselor preparation, client involvement in the testing process, computerized testing, and ethics. (NB)

This Digest addresses two ways that classroom teachers can use the results of standardized tests: (1) to revise instruction for entire classes or courses; and (2) to develop specific intervention strategies for individual students. Test publishing companies typically provide classroom-level reports to enable teachers to see how a group of students…

Guidelines for explaining standardized test results to parents of students are provided. More specifically, the guidelines cover rationales for testing, the various types of scores and their meanings, and means of interpreting scores. Scores covered include stanine scores, percentile scores, and grade-level equivalent scores. The importance to…

Performance assessment is a type of educational assessment in which judgments are made about student knowledge and skills based on observation of student behavior or inspection of student products. In dealing with the issue of fairness in performance assessment, educators are confronted with some dilemmas. Assuring equality in performance…

Career certainty refers to the degree to which individuals feel confident, or decided, about their occupational plans. Since Parsons first classified people into career-decided and career-undecided groups, counseling researchers and practitioners have worked to formally assess career choice status. These efforts have yielded two generations of…

Computer-assisted testing (CAT) in counseling and therapy is becoming increasingly common due to dramatic improvements in cost-effectiveness and increased counselor familiarity with computer applications. The assumption underlying the use of CAT is that the effectiveness of counseling is improved by allocating repetitive computational and…

The term "employability skills" refers to those skills required to acquire and retain a job. In the past, employability skills were considered primarily of a vocational or job-specific nature; they were not thought to include the academic skills most commonly taught in schools. Current thinking, however, has broadened the definition to…