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Alkilany, Alaaldin M.; Mansour, Sara; Amro, Hamza M.; Pelaz, Beatriz; Soliman, Mahmoud G.; Hinman, Joshua G.; Dennison, Jordan M.; Parak, Wolfgang J.; Murphy, Catherine J. – Journal of Chemical Education, 2017
A simple, reliable, and cost-effective experiment is presented in which students synthesized citrate-capped gold nanoparticles (GNPs), functionalized them with poly(ethylene glycol) (PEG), and transferred the PEG-GNPs from water to the organic phase dichloromethane. The experiment introduces students to nanotechnology with foci on important…
Descriptors: Chemistry, Science Instruction, Science Experiments, College Science
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Kruppke, Benjamin – Education Sciences, 2021
A digital lecture with motivating experiments--how can this be done in practice? This question shall be answered in the context of a case report from the field of material science. A digital experimental lecture as a substitute for a lecture with student experiments was evaluated by students to provide information on whether an adequate substitute…
Descriptors: Lecture Method, Electronic Learning, Higher Education, Dentistry
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Eckel, Julia; Zavaritskaya, Olga; Schüttpelz-Brauns, Katrin; Schubert, Rudolf – Advances in Physiology Education, 2019
Recently, medical students' scientific thinking skills have been identified as an important issue in medical education. Scientific thinking cannot be imparted in conventional lectures, but rather requires actively involving students. We modified a practical course in physiology. A study was designed to test whether the new course fosters…
Descriptors: Medical Students, Medical Education, Thinking Skills, Physiology
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Grunewald, Franka; Meinel, Christoph – IEEE Transactions on Learning Technologies, 2015
The use of video lectures in distance learning involves the two major problems of searchability and active user participation. In this paper, we promote the implementation and usage of a collaborative educational video annotation functionality to overcome these two challenges. Different use cases and requirements, as well as details of the…
Descriptors: Web Based Instruction, Lecture Method, Video Technology, Notetaking
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Klinzing, Hans Gerhard – European Journal of Teacher Education, 1988
Findings are presented from a study of the effectiveness of a training program designed to increase nonverbal expressiveness, during expository teaching/lecturing, in the nonverbal channels: voice delivery, eye expression, gaze, facial expression, gesturing, posture, and movement. The program includes laboratory practice sessions, characterized by…
Descriptors: Classroom Communication, Classroom Techniques, Decision Making Skills, Foreign Countries
Klinzing, Hans Gerhard – 2000
This paper examines four studies, integrated into regular courses for the preparation of secondary school teachers at the University of Tuebingen (Germany), that assessed the effectiveness of an interaction laboratory to enhance social competence, as well as lecturing skills. The program involved formal instruction; symbolic modeling and…
Descriptors: Communication Skills, Decision Making, Foreign Countries, Higher Education