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Hefter, Markus H.; ten Hagen, Inga; Krense, Claudia; Berthold, Kirsten; Renkl, Alexander – Journal of Educational Psychology, 2019
A rising number of (online) learning scenarios feature video-based worked examples. We analyzed the effects of the presentation mode of worked examples on their effectiveness and efficiency in two experiments with university students (N[subscript 1] = 57; N[subscript 2] = 43). The students acquired argumentation knowledge by self-explaining…
Descriptors: Instructional Effectiveness, Efficiency, Persuasive Discourse, Demonstrations (Educational)

Helmke, Andreas; And Others – Teaching and Teacher Education, 1986
The Classroom Environment Study explored instructional quality and classroom management factors as predictors of student cognitive and affective outcomes. The German contribution to this study, involving 39 fifth-grade classrooms and 39 regular and mathematics teachers over a two-year period, is described and results are presented. (Author/MT)
Descriptors: Affective Behavior, Classroom Techniques, Cognitive Development, Foreign Countries