Background: Students' well preparedness for laboratory sessions is of importance for a number of reasons including them being able to engage in and learn from the session and in acquiring the necessary laboratory skills needed for the scientific community and for possible further work in industry. To enhance the preparedness of the students an…

The utility of Just-In-Time-Teaching (JITT) is compared across course topics and groups of students not receiving JITT exercises in class. JITT feedback incorporated various active learning exercises based on students' performance on online homework problems from Sapling Learning. With over 200 students in two sections participating in the…

Representational competence is a primary contributor to student learning in science, technology, engineering, and math (STEM) disciplines and an optimal target for instruction at all educational levels. We describe the design and implementation of a learning activity that uses concrete models to improve students' representational competence and…

This qualitative interpretative study serves to identify and compare the verbal discourse practices exhibited by students in traditional and inquiry-based undergraduate labs for non-science majors and to identify factors in both lab contexts that would facilitate and / or inhibit student participation in the discourse practices of the labs.…

Describes and compares procedures and results of determination of colorimetric, potentiometric, and amperometric endpoints of an oxidative titration of arsenite by iodine. (TS)

Two different methods of collecting information about student activity in the laboratory were compared using a series of videotape recordings. One method was based entirely on the systematic observation of student behavior (interaction analysis); the second method involved students describing their laboratory activities while watching excerpts…