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Girardi, Giovanna; Lindemann, Oliver; Bekkering, Harold – Journal of Experimental Psychology: Human Perception and Performance, 2010
In 4 experiments, we investigated the effects of object affordance in reach-to-grasp actions. Participants indicated whether a depicted small or large object was natural or manmade by means of different object-grasping responses (i.e., with a power or a precision grip). We observed that the size of the depicted object affected the grasping…
Descriptors: Observation, Experiments, Experimental Psychology, Cognitive Processes
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Lanovaz, Marc J.; Fletcher, Sarah E.; Rapp, John T. – Behavior Modification, 2009
We used a three-component multiple-schedule with a brief reversal design to evaluate the effects of structurally unmatched and matched stimuli on immediate and subsequent vocal stereotypy that was displayed by three children with autism spectrum disorders. For 2 of the 3 participants, access to matched stimuli, unmatched stimuli, and music…
Descriptors: Auditory Stimuli, Stimulation, Autism, Identification
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Leming, J. Kyle; Dorman, Katie; Brydges, Ryan; Carnahan, Heather; Dubrowski, Adam – Advances in Health Sciences Education, 2007
Introduction: This study examined the validity of tensiometry as an objective method of assessing the improvements in the quality of knots and technical performance due to practice on suturing and knot-tying skills. Methods: We evaluated the quality of 1,830 knots produced by undergraduate medical students before training (pre-test), after…
Descriptors: Medical Education, Medical Students, Undergraduate Students, Validity