This study examined the effects of an intervention that integrated peer-mediated instruction (PMI) with augmentative and alternative communication (AAC) using speech-generating devices (SGDs). Nine trained peer tutors without disabilities taught science concepts and modeled use of SGDs following a script to three elementary school students with…

This study studied the types of peer scaffolding presented in scientific experimental activities. The study included 14 university students. For the experimental activity of 'determining temperature changes using the meridian altitude of the sun,' information regarding experimental behaviors, thinking aloud, discourse, and retrospective interview…

The aim of this research is to establish the contribution of demonstration and student-led experiments on the quality of students' knowledge about the air-related content in the third grade of primary school. This research included 120 students from Serbia, divided into two groups: control (C) and experimental (E). In group C the experiments were…

We selected diabetes mellitus for this laboratory exercise to provide students with an explicit model for scientific research concerning the association between the R230C polymorphism and susceptibility to type 2 diabetes mellitus, which is highly prevalent in the Mexican population. We used a collaborative project-based learning to engage…

Three undergraduate students functioned as teaching assistants in unit ops lab for their senior project, which included developing a purchased size exclusion chromatography experiment, supervising the running of this experiment, and assisting the junior students with their calculations. They also read the reports, graded them, and commented on…

This article describes a discovery experiment for general chemistry and organic chemistry labs. Although the pinacol rearrangement has been employed in undergraduate organic laboratories before, in this application organic chemistry students act as mentors to students of general chemistry. Students work together using distillation--a new technique…

Students who are involved in hands-on science activities are enabled to learn the processes of science, and thus become scientifically literate. (DG)

Discusses the use of a teaching fellows program (undergraduates teaching undergraduates) in a psychology laboratory class. Examines the goals, outcomes, curriculum, and implementation of the laboratory class and how these were impacted through the use of teaching fellows. Includes a table showing curriculum, content area, laboratory activities,…