The Anchor Test Study (ATS) yielded equating tables for vocabulary, reading comprehension, and total reading scores for eight commonly used reading tests at the 4th, 5th, and 6th grade levels. Because of the original ATS sampling design which resulted in a nationally representative sample of school children at those grades, the equating tables…

The Comprehensive Tests of Basic Skills, Form U, is scored in two ways: number-correct and pattern. The latter makes use of the information about which particular items are answered correctly, giving more weight to the more discriminating items and making allowances for guessing. Critics have suggested that black students are penalized by pattern…

Item bias, when present in a multiple-choice test, can be detected by appropriate analyses of the persons x items scoring matrix. Five related schemes for the statistical analysis of bias were applied to a widely used, primary skills multiple-choice test which was administered in either its English- or Spanish-language version at each of the two…

Single administration (beta-binomial) estimates for the raw agreement index p and the corrected-for-chance kappa index in mastery testing are compared with those based on two test administrations in terms of estimation bias and sampling variability. Bias is about 2.5 percent for p and 10 percent for kappa. (Author/RL)

Item bias in a multiple-choice test can be detected by appropriate analyses of the persons x items scoring matrix. This permits comparison of groups of examinees tested with the same instrument. The test may be biased if it is not measuring the same thing in comparable groups, if groups are responding to different aspects of the test items, or if…

Potential sources of bias in dual language achievement tests were identified and examined. Content, concepts, and vocabulary presented in monolingual English curricula may differ drastically from those presented in bilingual curricula. The Spanish or English versions of the Comprehensive Tests of Basic Skills (CTBS) were administered to 1259…

As part of an investigation of the appropriateness of the original Anchor Test Study equating results for black and Spanish-surnamed students, this Appendix lists the detailed results of the analyses for grade four, organized by vocabulary, reading comprehension, and total reading scores. For each analysis, a two-page set of results is presented.…

As part of an investigation of the appropriateness of the original Anchor Test Study equating results for black and Spanish-surnamed students, this Appendix lists the detailed results of the analyses for grade five, organized by vocabulary, reading comprehension, and total reading scores. For each analysis, a two-page set of results is presented.…

As part of an investigation of the appropriateness of the original Anchor Test Study equating results for black and Spanish-surnamed students, this Appendix lists the detailed results of the analyses for grade six, origanized by vocabulary, reading comprehension, and total reading scores. For each analysis, a two-page set of results is presented.…

Test anxiety scores from a 15-item internally consistent instrument were correlated with performance on an aggregate science test administered to 171 fourth- and 187 eight-grade students subdivided by sex and race. The interpretation of data possibly suggest that test anxiety is operating differentially for black and white students. (Author/PN)

The testing of bilingual students poses particular problems for analyses of performance, item bias, and test adequacy. A test administered in two languages to children selected for their language facility provides a special arena for the study of these problems. The Comprehensive Tests of Basic Skills (CTBS) was selected because the test content…

This study attempts to detect the presence of either of 2 different categories of large-scale bias in 4 widely used mathematics achievement tests: induced bias and norming bias. Subjects were 407 eighth graders. (IAH)

When a program evaluation is conducted on the basis of gains made in standardized achievement test scores between a pretest and a posttest, serious bias can result where a floor effect exists on one or both of the test levels. Based upon the expanded standard scores on the Comprehensive Tests of Basic Skills from three successive regular spring…

Three test-analysis models were used to analyze three types of simulated test score data plus the results of eight achievement tests. Chi-square goodness-of-fit statistics were used to evaluate the appropriateness of the models to the four kinds of data. Data were generated to simulate the responses of 1,000 students to 36 pseudo-items by…

The effects of the use of computer-enhanced instruction with remedial students were assessed, using 4,293 ninth through twelfth graders--3,308 Black, 957 White, and 28 Other--involved in the Governor's Remediation Initiative (GRI) in Georgia. Data sources included the Comprehensive Tests of Basic Skills (CTBS), a data collection form developed for…