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Edgar, William – Library Quarterly, 2004
This article and its accompanying one address the corporate library's contribution to its parent firm. Part I reviews the literature on determining this contribution, revealing the need for a more theoretical approach to this problem. It then presents this approach. This article, Part II, reviews methodological trade-offs in pursuing this new…
Descriptors: Special Libraries, Corporations, Research Methodology, Interviews
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Carreiras, Manuel; Perea, Manuel – Brain and Language, 2004
Three naming experiments were conducted to examine the role of the first and the second syllable during speech production in Spanish. Facilitative effects of syllable frequency with disyllabic words have been reported in Dutch and Spanish (Levelt & Wheeldon, 1994; Perea & Carreiras, 1998). In both cases, the syllable frequency effect was…
Descriptors: Spanish, Syllables, Word Frequency, Experiments
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Carlson, Laura A.; Van Deman, Shannon R. – Journal of Memory and Language, 2004
Projective spatial terms such as ''below'' specify the location of one object by indicating its spatial relation with respect to a reference object. These relations are defined via a reference frame that consists of a number of parameters (orientation, direction, origin, and distance) whose settings configure the space surrounding the reference…
Descriptors: Spatial Ability, Proximity, Experiments, Reaction Time
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Stafylidou, Stamatia; Vosniadou, Stella – Learning and Instruction, 2004
An experiment is reported that investigated the development of students' understanding of the numerical value of fractions. A total of 200 students ranging in age from 10 to 16 years were tested using a questionnaire that required them to decide on the smallest/biggest fraction, to order a set of given fractions and to justify their responses.…
Descriptors: Questionnaires, Experiments, Middle School Students, Mathematics Skills
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Cholin, Joana; Levelt, Willem J. M.; Schiller, Niels O. – Cognition, 2006
In the speech production model proposed by [Levelt, W. J. M., Roelofs, A., Meyer, A. S. (1999). A theory of lexical access in speech production. "Behavioral and Brain Sciences," 22, pp. 1-75.], syllables play a crucial role at the interface of phonological and phonetic encoding. At this interface, abstract phonological syllables are translated…
Descriptors: Syllables, Models, Phonetics, Hypothesis Testing
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Fajen, Brett R.; Devaney, Michael C. – Journal of Experimental Psychology: Human Perception and Performance, 2006
The authors investigated the role of perceptual attunement in an emergency braking task in which participants waited until the last possible moment to slam on the brakes. Effects of the size of the approached object and initial speed on the initiation of braking were used to identify the optical variables on which participants relied at various…
Descriptors: Task Analysis, Effect Size, Experiments, Motion
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Hilton, Denis J.; Kemmelmeier, Markus; Bonnefon, Jean-Francois – Journal of Experimental Psychology: General, 2005
Conditional directives are used by speakers to instruct hearers which actions are to be taken should certain events occur. The authors demonstrate that conditional directives are distinct from indicative conditionals in which speakers predict what is likely to be observed should certain events occur. The 1st set of experiments shows that goal…
Descriptors: Science Experiments, Goal Orientation, Information Retrieval, Conditioning
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Krampe, Ralf Th.; Mayr, Ulrich; Kliegl, Reinhold – Journal of Experimental Psychology: Human Perception and Performance, 2005
The authors demonstrate that the timing and sequencing of target durations require low-level timing and executive control. Sixteen young (M-sub(age) = 19 years) and 16 older (M-sub(age) = 70 years) adults participated in 2 experiments. In Experiment 1, individual mean-variance functions for low-level timing (isochronous tapping) and the sequencing…
Descriptors: Young Adults, Older Adults, Motion, Psychomotor Skills
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Soldan, Anja; Mangels, Jennifer A.; Cooper, Lynn A. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2006
This study was designed to differentiate between structural description and bias accounts of performance in the possible/impossible object-decision test. Two event-related potential (ERP) studies examined how the visual system processes structurally possible and impossible objects. Specifically, the authors investigated the effects of object…
Descriptors: Models, Cognitive Processes, Experiments, Performance
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Warker, Jill A.; Dell, Gary S. – Journal of Experimental Psychology: Learning, Memory, and Cognition, 2006
Speech errors reveal the speaker's implicit knowledge of phonotactic constraints, both languagewide constraints (e.g., /K/ cannot be a syllable onset when one is speaking English) and experimentally induced constraints (e.g., /k/ cannot be an onset during the experiment). Four experiments investigated the acquisition of novel 2nd-order…
Descriptors: Error Analysis (Language), Articulation (Speech), Phonology, Experiments
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Cheung, Derek – Science Activities: Classroom Projects and Curriculum Ideas, 2005
This authentic inquiry-based chemistry experiment provides high school students with an opportunity to investigate the effect of toothpastes on the rate of tooth decay. Students need to design and carry out a fair test to compare the effects of different brands of toothpaste. The author has developed rubrics for assessing students' planning skills…
Descriptors: High School Students, Chemistry, Fluoridation, Science Experiments
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Shafer, John; Brown, George; Boyd, Be; Marino, Danielle; Merritt, Don – EDUCAUSE Quarterly, 2005
The authors' experiments with long-distance arts collaboration in a multiform environment began in July 2002. They consider a multiform environment to be an interactive environment where different audiences experience a shared event from different and mutually exclusive frames of reference. The Dynamic Media Project team members had extensive…
Descriptors: Computer Assisted Instruction, Audiences, Cooperation, Experiments
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Pineno, Oskar – Psicologica: International Journal of Methodology and Experimental Psychology, 2004
In an associative learning preparation, the participants were given partial reinforcement (PRF) with two different cues. For one of the cues, the nonreinforced presentations consisted of pairings of the cue with a neutral outcome, whereas these presentations consisted of pairings with an aversive outcome for the other cue. The results showed that…
Descriptors: Reinforcement, Punishment, Associative Learning, Cues
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Hughes, Ian – Bioscience Education e-Journal, 2004
Laboratory-based practical exercises, which are an important and time-consuming part of many science degree courses, may be directed towards a variety of learning objectives. Some of these have traditionally been assessed by staff marking the student's written account of the laboratory experiment (the laboratory write-up) but increasing student…
Descriptors: Coping, Laboratory Experiments, Evaluation, Behavioral Objectives
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Vullo, Diana L.; Wachsman, Monica B. – Journal of Food Science Education, 2005
This laboratory experiment was designed for Chemistry, Food Technology, Biology, and Chemical Engineering undergraduate students. This laboratory experience shows the advantages of immobilized bakery yeasts in ethanol production by alcoholic fermentation. The students were able to compare the ethanol production yields by free or calcium alginate…
Descriptors: Undergraduate Students, Laboratory Procedures, Laboratory Experiments, Science Activities
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