Differential item functioning (DIF) occurs when items on a test or questionnaire have different measurement properties for one group of people versus another, irrespective of group-mean differences on the construct. Methods for testing DIF require matching members of different groups on an estimate of the construct. Preferably, the estimate is…

Testing is one means of viewing differences among individuals. Culture is another means. When we mix testing and culture together, the results are fascinating and often confusing. Generally, we test individuals in an attempt either to serve them or reward them, and if we want to reward people, there is a strong desire and need to be fair. However,…

Discusses the nature and sources of test bias in measuring communication skills. Recommends structured performance assessment to reduce bias, contending that performance tests, if carefully administered, can be valid, unbiased methods of assessing communication skills. (PD)

The article summarizes current knowledge as it relates to three basic requirements for assessment (qualified personnel, adequate tools, and fair implementation) and identifies research and evaluation priorities for special education and school psychology. Priorities include defining minimum competency for assessment personnel and identifying…

In the United States, standardized educational tests have been used for assessment purposes in grades K through 12 almost since the inception of the testing movement in the early 1900s. Because test-based assessment can have wide-ranging positive or negative effects on K-12 students, the test user must ensure that the tests used for assessment…

Discusses the importance of fairness in evaluation studies of second-language programs and the potential for misinterpretation of studies which are not program-fair. Strategies designed to overcome this problem from the perspective of standardized tests include: specific tests for each program, program-specific plus program-neutral measures,…

Culturally specific behaviors must be considered in the pre-referral phase of assessing culturally diverse/limited-English-proficient students. Inferences regarding the reasons for students' performance reflect the knowledge base acquired by the school staff concerning a student's culture. Evaluative questions can gather data to assure non-biased…

This chapter briefly describes some of the methods that test developers and psychometricians have devised to identify item and test bias and some of the challenges they still face. Although it may not be reasonable for classroom teachers to use these methods on a day-to-day basis in constructing tests, the authors argue that it is important for…

This case study of a nonverbal nine year old with physical handicaps examines the ethics and efficacy of using formal assessment instruments with such children, without procedural modifications or qualification of test results. Results of home and classroom observations suggested that the formal assessments did not reflect the student's actual…

This discussion of psychoeducational assessment of hearing-impaired students and the influence of language competence focuses on: the nature of the interaction between cognition and language, the nonpragmatic nature of traditional assessments, approaches to reducing intelligence test bias, pragmatic violations in intellectual assessment, and…

This article examines special problems in assessing young blind children resulting from their great heterogeneity. Case studies are offered to illustrate the irresponsibility of applying standardized tests developed for sighted populations to blind children who have very different experiential backgrounds. Positive principles for assessment of the…

This bulletin describes the technical adequacy of the Florida Teacher Certification Examination and includes discussions on establishing test reliability, test validity, passing scores, and protecting the test from cultural or ethnic bias. Chapter I describes the development of the examination: (1) development, identification, and validation of…

This guide presents a series of check lists to help teachers and counselors provide nonbiased assessment for referred children, particularly those who are culturally different. The first section deals with evaluating the legitimacy of the referral and considers whether parents have been properly notified. The second section, meeting the child,…

This research summary identifies major factors affecting the validity of language assessments in bilingual students. The four factors include: (1) determining which language is dominant and in which language the child should be tested; (2) recognizing that bilingual children may use language in a way that is qualitatively different from that of…

This guide helps educators and policymakers in developing and implementing policies that involve the use of standardized tests as part of decision making that has high stakes consequences for students. The guide applies to standardized tests that are addressed in the "Standards for Educational and Psychological Testing" (Joint Standards, 1999).…