Constructed response items can both measure the coherence of student ideas and serve as reflective experiences to strengthen instruction. We report on new automated scoring technologies that can reduce the cost and complexity of scoring constructed-response items. This study explored the accuracy of c-rater-ML, an automated scoring engine…

Growing recognition of the central importance of fostering an in-depth understanding of natural selection has, surprisingly, failed to stimulate work on the development and rigorous evaluation of instruments that measure knowledge of it. We used three different methodological tools, the Conceptual Inventory of Natural Selection (CINS), a modified…

Determined effects of various methods and formats on subjects' (N=253) responses to a Piagetian reasoning problem requiring control of variables. Results indicate that format but not method of task administration influences subjects' performance and that the influence is similar for various combinations of methods and format. (Author/JN)

This project consisted of a meta-analysis of U.S. research published from 1980 to 2004 on the effect of specific science teaching strategies on student achievement. The six phases of the project included study acquisition, study coding, determination of intercoder objectivity, establishing criteria for inclusion of studies, computation of effect…

Surveys the trait anxiety profile and preference concerning types of examinations of preservice science teachers. Reports that the students prefer examinations on understanding and analyzing rather than on knowing and remembering, and that students' anxiety states correlate with the type of examination and sex. (Author)

Determined effects of various methods and formats of administering a Piagetian task on college students' (N=376) performance. Concludes neither method nor format influenced subject performance; and this lack of influence is similar for various combinations of method and format. Importance of this finding and implications for teachers are…

Investigated the validity of the assumption that arranging items in objective tests in order of increasing difficulty increases student motivation and produces more reliable tests. Results indicate that test reliability was largely independent of item sequence. (Author/JN)

Outlines a procedure used to develop a written diagnostic instrument to identify misconceptions and misunderstandings of the chemistry topic. Reports the characteristic data for the instrument, and student understanding of covalent bonding and structure. (Author/YP)

Explores the sources of beliefs about science-technology-society topics and investigates the degree of ambiguity harbored by four different response modes, such as Likert-type, written paragraph, semistructured interview, and empirically developed multiple choice. Finds that mass media have a greater impact than science classes. (Author/YP)