Since 1973, the National Assessment of Educational Progress (NAEP) has gathered information about student achievement in mathematics. The NAEP assessment in mathematics has two components that differ in purpose. One assessment measures long-term trends in achievement among 9-, 13-, and 17-year-old students by using the same basic design each time.…

Since 1973, the National Assessment of Educational Progress (NAEP) has gathered information about student achievement in mathematics. Results of these periodic assessments, produced in print and web-based formats, provide valuable information to a wide variety of audiences. They inform citizens about the nature of students' comprehension of the…

Contrasts between constructed response items and stem-equivalent multiple-choice counterparts typically have involved averaging item characteristics, and this aggregation has masked differences in statistical properties at the item level. Moreover, even aggregated format differences have not been explained in terms of differential cognitive…

Assessment exercises (items) in three different formats--multiple-choice with an "I don't know" (IDK) option, multiple-choice without the IDK, and open-ended--were placed at the beginning, middle and end of 45-minute assessment packages (instruments). A balanced incomplete blocks analysis of variance was computed to determine the biasing…

Using matched pairs of geography questions, a new testing method for machine-scored fill-in-the-blank, multiple-digit testing (MDT) questions was compared to the traditional multiple-choice (MC) style. Data were from 118 matched or parallel test items for 4 tests from 764 college students of geography. The new method produced superior results when…

In assessing the quality of science teaching for an effort such as the National Assessment of Educational Progress (NAEP), it is important to understand what is meant by scientific thinking--the search for explanations. Instruction should involve higher-order cognitive skill development, but it is difficult to measure reasoning and understanding…

This paper focuses on the questions which arise as test practitioners monitor score scales derived from latent trait theory. Large scale assessment programs are dynamic and constantly challenge the assumptions and limits of latent trait models. Even though testing programs evolve, test scores must remain reliable indicators of progress.…