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Verguts, Tom; Opstal, Filip Van – Cognition, 2008
Cohen Kadosh, Tzelgov, and Henik [Cohen Kadosh, R., Tzelgov, J., & Henik, A. (2008). A synesthetic walk on the number line: The size effect. "Cognition", 106, 548-557] present a new paradigm to probe properties of the mental number line. They describe two experiments which they argue to be inconsistent with the exact small number model proposed by…
Descriptors: Number Concepts, Experiments, Effect Size, Mathematical Models
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Kadosh, Roi Cohen; Tzelgov, Joseph; Henik, Avishai – Cognition, 2008
Are small and large numbers represented similarly or differently on the mental number line? The size effect was used to argue that numbers are represented differently. However, recently it has been argued that the size effect is due to the comparison task and is not derived from the mental number line per se. Namely, it is due to the way that the…
Descriptors: Measurement Techniques, Numbers, Computation, Effect Size
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Los, Sander A.; Schut, Marcus L. J. – Cognitive Psychology, 2008
In reaction time (RT) research on nonspecific preparation, the preparation period is often identified with the foreperiod (FP), the interval between the offset of a neutral warning stimulus (S1) and the onset of the reaction stimulus (S2). However, the "effective preparation period" may be longer than FP: nonspecific preparation may start prior to…
Descriptors: Reaction Time, Intervals, Stimuli, Experiments
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Lewandowsky, Stephan; Nimmo, Lisa M.; Brown, Gordon D. A. – Journal of Memory and Language, 2008
According to temporal distinctiveness models, items that are temporally isolated from their neighbors during list presentation are more distinct and thus should be recalled better. Contrary to that expectation of distinctiveness views, much recent evidence has shown that forward short-term serial recall is unaffected by temporal isolation. We…
Descriptors: Recall (Psychology), Serial Ordering, Memory, Models
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Osman, Magda – Journal of Experimental Psychology: General, 2008
In problem-solving research, insights into the relationship between monitoring and control in the transfer of complex skills remain impoverished. To address this, in 4 experiments, the authors had participants solve 2 complex control tasks that were identical in structure but that varied in presentation format. Participants learned to solve the…
Descriptors: Self Efficacy, Problem Solving, Experiments, Patterned Responses
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Erlichson, Herman – Physics Teacher, 2007
The overwhelming majority of important papers in physics are written by physicists. But the physician Julius Robert Mayer (1814-1878, see photo) did a valid theoretical calculation of the mechanical equivalent of heat just before Joule reported on his results from his well-known paddle-wheel experiments. Joule is well-known to physics people and…
Descriptors: Physics, Laboratory Experiments, Energy, Science Instruction
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Nunes, Nelson; Martins, Angela; Leitao, Ruben Elvas – Journal of Chemical Education, 2007
Experiment is conducted to determine the kinetic parameters of metal-solution interfaces. During the experiment the kinetic parameters for the interfaces Cu-NH[subscript 3], Ag-NH[subscript 3] and Ni-NH[subscript 3] is easily determined.
Descriptors: Science Experiments, Laboratory Experiments, Kinetics, Chemistry
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Ivanov, Dragia Trifonov – Physics Education, 2007
Two new experiments are offered concerning the experimental verification of Boyle's law and the ideal gas law. To carry out the experiments, glass tubes, water, a syringe and a metal manometer are used. The pressure of the saturated water vapour is taken into consideration. For educational purposes, the experiments are characterized by their…
Descriptors: Thermodynamics, Science Instruction, Science Experiments, Laboratory Experiments
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Nelson, Karl G.; Huysken, Kristin; Kilibarda, Zoran – Journal of Geoscience Education, 2010
Laboratories serve as an integral part of geoscience education at most colleges and universities. While anecdotal evidence supports the beneficial impact of laboratories on science class learning, little quantitative research backs this statement. This study compared classroom data from students who completed a geoscience laboratory in conjunction…
Descriptors: Earth Science, Academic Achievement, Introductory Courses, Statistical Analysis
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Robinson, A. Emanuel; Sloman, Steven A.; Hagmayer, York; Hertzog, Christopher K. – Journal of Problem Solving, 2010
The role of causal beliefs in people's decisions when faced with economic problems was investigated. Two experiments are reported that vary the causal structure in prisoner's dilemma-like economic situations. We measured willingness to cooperate or defect and collected justifications and think-aloud protocols to examine the strategies that people…
Descriptors: Causal Models, Beliefs, Problem Solving, Economics
Hmeljak, Dimitrij – ProQuest LLC, 2010
Virtual worlds provide useful platforms for social behavioral research, but impose stringent limitations on the rules of engagement, responsiveness, and data collection, along with other resource restrictions. The major challenge from a computer science standpoint in developing group behavior applications for such environments is accommodating the…
Descriptors: Social Behavior, Group Behavior, Interpersonal Relationship, Interaction
Chow, Chi Yin – ProQuest LLC, 2010
Location-based services (LBS for short) providers require users' current locations to answer their location-based queries, e.g., range and nearest-neighbor queries. Revealing personal location information to potentially untrusted service providers could create privacy risks for users. To this end, our objective is to design a privacy-preserving…
Descriptors: Reaction Time, Privacy, Geographic Information Systems, Geographic Location
Cohen, Kevin Bretonnel – ProQuest LLC, 2010
Although software testing has been well-studied in computer science, it has received little attention in natural language processing. Nonetheless, a fully developed methodology for glass box evaluation and testing of language processing applications already exists in the field methods of descriptive linguistics. This work lays out a number of…
Descriptors: Testing, Computer Software, Quality Control, Computer Science
Brown, Susan Windisch – ProQuest LLC, 2010
The deep semantic understanding necessary for complex natural language processing tasks, such as automatic question-answering or text summarization, would benefit from highly accurate word sense disambiguation (WSD). This dissertation investigates what makes an appropriate and effective sense inventory for WSD. Drawing on theories and…
Descriptors: Psycholinguistics, Semantics, Computational Linguistics, Knowledge Representation
Rinne, Luke Frederick – ProQuest LLC, 2010
Incorporating relevant numerical information into decision-making is a fundamental and important aspect of numeracy. However, the process through which weight is assigned to particular numerical values is not well understood. The central theory proposed in this dissertation is that the weight assigned to numerical information may be conceptualized…
Descriptors: Cues, Intervals, Numeracy, Probability
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