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Kuhn, Simone; Schmiedek, Florian; Schott, Bjorn; Ratcliff, Roger; Heinze, Hans-Jochen; Duzel, Emrah; Lindenberger, Ulman; Lovden, Martin – Journal of Cognitive Neuroscience, 2011
Perceptual decision-making performance depends on several cognitive and neural processes. Here, we fit Ratcliff's diffusion model to accuracy data and reaction-time distributions from one numerical and one verbal two-choice perceptual-decision task to deconstruct these performance measures into the rate of evidence accumulation (i.e., drift rate),…
Descriptors: Expertise, Evidence, Training, Individual Differences
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Grundgeiger, Tobias; Sanderson, Penelope; MacDougall, Hamish G.; Venkatesh, Balasubramanian – Journal of Experimental Psychology: Applied, 2010
Interruptions are frequent in many work domains. Researchers in health care have started to study interruptions extensively, but their studies usually do not use a theoretically guided approach. Conversely, researchers conducting theoretically rich laboratory studies on interruptions have not usually investigated how effectively their findings…
Descriptors: Nurses, Memory, Researchers, Models
Grafals, Zoraida – ProQuest LLC, 2013
The purpose of this study was twofold. First, this study was conducted to compare English communicative competency achievement between two different models of instruction. Adult English language learners (AELLs) participated in either the communicative task-based (CTB) or in a more traditional (MT) language instructional approach. The goal of the…
Descriptors: Self Efficacy, Second Language Learning, English (Second Language), Control Groups