Working from the 1970s to the early 1990s, Walter Alvarez and his research team sought the cause of the mass extinction that claimed the dinosaurs 65 million years ago. The present paper discusses that research in terms of eight puzzling observations, eight episodes of hypothetico-predictive reasoning, enumerative induction, and Jung's…

This study's purpose was to determine whether science teaching self-efficacy beliefs among new teachers of elementary science interact significantly with teaching environments in their schools. The study hypothesized a mechanism by which environments can interact with self-efficacy and, consequently, affect the quality of science teaching. The…

Insects are a natural choice for studying behavioral ecology in the classroom--they are easy to obtain, maintain, and manipulate. Unlike competition and predation, however, the concept of group living does not translate well to small-scale experiments involving only a few individuals. How can inquiry be used to examine why animals live in groups?…

A proposed research project is described in which two university-based researchers and four elementary school teachers will investigate problematic features of "whole language instruction" in monthly reflexive conversations. One hypothesis is that problems with whole language practice are indicative of a more broadly based cultural…

Investigates the responses of a sample of preservice biology teachers enrolled in a teaching methods course to a casual question about why water rose in a jar inverted over a burning candle placed in a pan of water by formulating and testing six hypotheses. (Contains 43 references.) (Author/YDS)

This paper presents a teaching methodology involving an independent research project component for use in undergraduate Comparative Vertebrate Anatomy laboratory courses. The proposed project introduces cooperative, active learning in a research context to comparative vertebrate anatomy. This project involves pairs or groups of three students…

This article develops a conceptual framework for studying how three comprehensive school reform (CSR) programs organized schools for instructional change and how the distinctive strategies they pursued affected implementation outcomes. The conceptual model views the Accelerated Schools Project as using a system of cultural control to produce…

A narrative in the form of a courtroom trial is used to compare evidence on the nature of light as part of an introductory college physics course. Prosecuting and defense attorneys present evidence for and against competing wave and particle hypotheses for light behavior while students play the roles of jurors. (Contains 5 figures.)

This laboratory exercise introduces students to a fundamental tool in evolutionary biology--phylogenetic inference. Students are required to create a data set via observation and through mining preexisting data sets. These student data sets are then used to develop and compare competing hypotheses of vertebrate phylogeny. The exercise uses readily…

This essay examines flaws in the standard hypothetical-deduction inquiry model and offers another quite different model of inquiry, the multiple-completing model, for use in the school classroom. In positing this new model of inquiry the assumption has been made that a pedagogical inquiry model need not necessarily be an accurate reflection of…

Results of investigation of M.L.S. degree students' needs for structure in required research methods course support hypothesis that, when exposed to such a course taught under low structure conditions, students with simple cognitive style would express demand for greater structure than would students with relatively complex cognitive style. (12…

Clarifies the idea of prediction in science teaching by distinguishing between the two extremes of guessing and making logical deductions. Discusses the use of predictions in testing teachers' and students' explanations. (MDH)

Reviews several teaching methodologies in terms of negative affect. Findings indicate that in those situations where students have little incentive to do well or admit that they wish to do poorly, increased negative affect can motivate them to function at a level of operational tension and achieve optimum learning and performance. (36 references)…

Although increasing feedback specificity is generally beneficial for immediate performance, it can undermine certain aspects of the learning needed for later, more independent performance. The results of the present transfer experiment demonstrate that the effects of increasing feedback specificity on learning depended on what was to be learned,…

Task-based instruction (TBI) is frequently promoted as an effective teaching approach, superior to "traditional" methods, and soundly based in theory and research. The approach is often justified by the claim that linguistic regularities are acquired through "noticing" during communicative activity, and should therefore be addressed primarily by…