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Direct linkGilissen, Melde G. R.; Knippels, Marie-Christine P. J.; van Joolingen, Wouter R. – CBE - Life Sciences Education, 2021
The main aim of this study is to teach students to take a systems perspective in understanding complex biological problems. Two lessons were designed and tested in two secondary classes (15- to 16-year-old students), using a lesson study approach. Three students from each class were observed more closely when visualizing and reasoning about two…
Descriptors: Difficulty Level, Scientific Concepts, Concept Formation, Systems Approach
van der Kolk, Koos; Beldman, Gerrit; Hartog, Rob; Gruppen, Harry – Journal of Chemical Education, 2012
The design, usage, and evaluation of a Web-based laboratory manual (WebLM) are described. The main aim of the WebLM is to support students while working in the laboratory by providing them with just-in-time information. Design guidelines for this electronic manual were derived from literature on cognitive load and user interface design. The WebLM…
Descriptors: Chemistry, Internet, Student Behavior, Research Tools
Peer reviewedKramers-Pals, H.; And Others – Journal of Chemical Education, 1982
Difficulties encountered by students when solving problems were examined using Program of Actions and Methods (PAM) for systematic problem solving in science. Difficulties encountered included those in analyzing the problem, planning the problem-solving process, executing routine operations, and those related to the ways teachers solve problems.…
Descriptors: Chemistry, College Science, Difficulty Level, Foreign Countries
