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Puglisi, Jose L.; Negroni, Jorge A.; Chen-Izu, Ye; Bers, Donald M. – Advances in Physiology Education, 2013
The force-frequency relationship has intrigued researchers since its discovery by Bowditch in 1871. Many attempts have been made to construct mathematical descriptions of this phenomenon, beginning with the simple formulation of Koch-Wesser and Blinks in 1963 to the most sophisticated ones of today. This property of cardiac muscle is amplified by…
Descriptors: Feedback (Response), Mathematical Models, Prediction, Intervals
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Reynolds, Jeremy R.; Zacks, Jeffrey M.; Braver, Todd S. – Cognitive Science, 2007
People tend to perceive ongoing continuous activity as series of discrete events. This partitioning of continuous activity may occur, in part, because events correspond to dynamic patterns that have recurred across different contexts. Recurring patterns may lead to reliable sequential dependencies in observers' experiences, which then can be used…
Descriptors: Prediction, Models, Mathematical Models, Simulation
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Stark, Stephen; Chernyshenko, Oleksandr S.; Drasgow, Fritz – Applied Psychological Measurement, 2005
This article proposes an item response theory (IRT) approach to constructing and scoring multidimensional pairwise preference items. Individual statements are administered and calibrated using a unidimensional single-stimulus model. Tests are created by combining multidimensional items with a small number of unidimensional pairings needed to…
Descriptors: Test Construction, Scoring, Mathematical Models, Item Response Theory