Supplantation Effect (multimedia)
نویسنده
چکیده
Definition The Supplantation Effect describes a function of media that conducts a mental operation by an external representation. If a learner is not able to accomplish a mental, covert operation internally and an external representation is able to replace this process, supplantation occurs. External representation supporting supplantation can either be static representations like graphs or dynamic representations like animations or film. The basic function of the external representation is to show a functional link between objects that cannot be constructed by a learner on his or her own. Learners can internalize this link and, thus, reconstruct a relationship between internally represented objects without greater mental effort. Nevertheless, an active cognitive processing is required.
منابع مشابه
Comprehension of Graphs – Supported by Supplantation of Point-to-object Operations
Younger students often fail to comprehend and process diagrams. They have difficulties to integrate the abstract representation and the modeled problem in an appropriate way. We propose to help students by offering them an adequate external representation using supplantation. The principle is to simulate mental operations externally. Based on an information processing model we show how supplant...
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