C. I. Johnson

Publications39
h-index12
Citations1,135
Highly Influential Citations56
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Revising the Redundancy Principle in Multimedia Learning.
College students viewed a short multimedia PowerPoint presentation consisting of 16 narrated slides explaining lightning formation (Experiment 1) or 8 narrated slides explaining how a car's braking… Expand
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  • PDF
An eye movement analysis of the spatial contiguity effect in multimedia learning.
In three studies, eye movements of participants were recorded while they viewed a single-slide multimedia presentation about how car brakes work. Some of the participants saw an integrated… Expand
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A Testing Effect with Multimedia Learning
A testing effect occurs when a learner performs better on a retention test after studying the material and taking a practice-retention test than after studying the material twice. In the present… Expand
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Applying the self-explanation principle to multimedia learning in a computer-based game-like environment
TLDR
We found that students who played a 10-level computer game about electrical circuits performed better on an embedded transfer test (i.e., level 10) if they were required to select the reason for each move from a list on levels 1-9 (selection self-explanation). Expand
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Adding Instructional Features That Promote Learning in a Game-Like Environment
TLDR
Students learned about electrical circuits in an arcade-type game consisting of 10 levels. Expand
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Melanogenesis-targeted anti-melanoma pro-drug development: effect of side-chain variations on the cytotoxicity of tyrosinase-generated ortho-quinones in a model screening system.
A set of 26 substituted phenols, 10 of which were synthesised in our laboratories, were tested for their rate of oxidation by mushroom tyrosinase in vitro as determined by oximetry and… Expand
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In vitro assessment of the structure – activity relationship of tyrosinase‐dependent cytotoxicity of a series of substituted phenols
The rate of oxidation by purified mushroom tyrosinase of 30 compounds was measured by oximetry, and the tyrosinase-dependent cytotoxicity of each estimated in an in vitro assay using exposure of… Expand
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The effects of static and adaptive performance feedback in game-based training
TLDR
Training in virtual environments (VEs) has the potential to establish mental models and task mastery while providing a safe environment in which to practice. Expand
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The Cambridge Handbook of Multimedia Learning: The Feedback Principle in Multimedia Learning
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Application of Theory to the Development of an Adaptive Training System for a Submarine Electronic Warfare Task
TLDR
We designed and developed the Submarine Electronic Warfare Adaptive Trainer (SEW-AT). Expand
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