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Direct linkRichey, J. Elizabeth; Nokes-Malach, Timothy J. – Learning and Instruction, 2013
A central goal of the learning sciences is to discover principles that determine the optimal amount of instructional assistance to support robust learning (Koedinger & Aleven, 2007). We examined learning outcomes from providing and withholding stepwise instructional explanations as students studied worked examples and solved physics problems. We…
Descriptors: Demonstrations (Educational), Teaching Methods, Problem Solving, Learning Processes
Hinze, Scott R.; Rapp, David N.; Williamson, Vickie M.; Shultz, Mary Jane; Deslongchamps, Ghislain; Williamson, Kenneth C. – Learning and Instruction, 2013
Students are frequently presented with novel visualizations introducing scientific concepts and processes normally unobservable to the naked eye. Despite being unfamiliar, students are expected to understand and employ the visualizations to solve problems. Domain experts exhibit more competency than novices when using complex visualizations, but…
Descriptors: Prior Learning, Individual Differences, Novices, Organic Chemistry
Kopp, Kristopher J.; Britt, M. Anne; Millis, Keith; Graesser, Arthur C. – Learning and Instruction, 2012
The current studies investigated the efficient use of dialogue in intelligent tutoring systems that use natural language interaction. Such dialogues can be relatively time-consuming. This work addresses the question of how much dialogue is needed to produce significant learning gains. In Experiment 1, a full dialogue condition and a read-only…
Descriptors: Intelligent Tutoring Systems, Natural Language Processing, Computer Mediated Communication, Synchronous Communication
