This paper examines item response theory (IRT) scale transformations and IRT scale linking methods used in the Non-Equivalent Groups with Anchor Test (NEAT) design to equate two tests, X and Y. It proposes a unifying approach to the commonly used IRT linking methods: mean-mean, mean-var linking, concurrent calibration, Stocking and Lord and…

The purpose of this report is to inform users and other interested parties about the development, content and technical characteristics of the Virginia Standards of Learning (SOL) assessments. It provides information for the 2003 "SOL" cycle that comprises the fall 2003 and spring 2004 administrations. The report is divided into three…

Forty questions, covering a wide range of mathematics, were asked of 867 ten-year-old students. A difficulty index, discrimination index, and ranking are reported for each question as well as teachers' ratings of the importance of each question. (LS)

Several samples of black and white students were drawn from the 1970 PSAT administration in Georgia and studies for item x race interaction on both the verbal and mathematical sections of the test. (Authors)

Purpose of the investigation was to identify the underlying content and cognitive dimensions in a standardized achievement test in the area of life and health insurance. (Author)

The present paper called attention to the difference between discrimination among individuals and discrimination among groups and suggested that the intraclass correlation coefficient should be used in the process of item selection whenever one is interested in discrimination among groups. (Author)

Low scores reveal that perhaps the real need is to search for and experiment with completely new approaches in the hope of awakening cultural interests in many of our students for the first time. (Author/MB)

Alternative scoring methods yield essentially the same information, including scale intercorrelations and validity. Reasons for preferring the traditional psychometric scoring technique are offered. (Author/AG)