Constructing causal mechanistic explanations of observable phenomena is a key science practice that is often challenging for students as most mechanisms involve interactions of unobservable entities and activities. In this study, we examined how gesturing with a computer simulation that depicts the molecular mechanism of thermal conduction…

Attention to core concepts in science and engineering in early education has grown recently, and understanding levers as force amplifiers can be recognized as one of these. Previous studies focused on two-sided levers and do not provide sufficient information about children's knowledge of levers as force amplifiers, nor about their learning and…

In this study, we explore how two different prompt types within an online computer-based inquiry learning environment enhance 392 7th grade students' explanations of evolution with three teachers. In the "elaborating" prompt condition, students are prompted to write explanations that support the accepted theory of evolution. In the…

In the process of reforming physics education over the last several decades, a tension has developed between engaging students with the content in more conceptually challenging ways and helping them identify with physics so they are personally motivated in their learning. Through comparative case studies of four high school physics teachers, we…

Investigated: (1) "potent" testing cues that were identified by high-test-anxious (HTA) and low-test-anxious (LTA) undergraduate students (N=133); (2) differences between HTA (N=93) and LTA (N=40) students for frequencies and intensities of responses to testing cues; and (3) differences between HTA and LTA students for attentional…

This study investigates how 25 junior high school students employed their bodies of knowledge and responded to problem cues while individually performing a science experiment and reasoning about a drops phenomenon. Line-by-line content analysis conducted on students' written ad hoc explanations aimed to reveal students' concepts and their…

Explored are the use of cues and their possible interaction with learner ability in concept formation under inductive instructional methods. Two inductive treatments, cued and noncued, were administered to ninth- and tenth-grade students. Results indicate significant aptitude treatment interaction with verbal comprehension abilities and the two…

Reports long-term effects of intensive instruction in the cue attendance or hypothesis generation on open-exploration behavior of 120 ninth graders. Five dependent measures included: number of observed details; number and quality of hypotheses; and number and diversity of questions. Results suggest long-term benefits. (Author/JN)