An analytical procedure that uses fall kindergarten assessment data to retroactively create equivalent comparison groups for longitudinal research and evaluation studies was designed and tested, and then analytically and empirically compared with random assignment to treatment. Students entering kindergarten in Hawaii are administered the Peabody…

Current testing standards call for test developers to provide evidence that testing procedures and test scores, and the inferences made based on the test scores, show evidence of validity and are comparable across subpopulations (American Educational Research Association [AERA], American Psychological Association [APA], & National Council on…

Two major evaluations of bilingual education differed significantly in evaluation design and results. The American Institute for Research (AIR) conducted the national impact study for bilingual education and gathered data from many programs. AIR based its study on comparisons of mathematics and language arts achievement of students in bilingual…

The purpose of this study was to investigate the effects of scientific discussions based on student-constructed pre- and post-laboratory concept maps on students' attitudes toward chemistry laboratory in the university general chemistry. As part of instruction, during the first four laboratory sessions, students were taught how to construct and…

The relationship between learning to program at a construct level and learning and study strategies was studied for college students enrolled in a beginning Pascal programing course and a calculus course (four sections of the programing course and two of the mathematics course). For both the experimental group (n=42) and the first control group…