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441.
Janna Fox Natasha Artemeva Richard Darville Devon Woods 《Journal of Academic Ethics》2006,4(1-4):77-99
This article reports on a collective effort to position ethics policies within the context of a specific discipline – Applied Language Studies (ALS). Through a discussion of challenges to ALS-specific pedagogical and research practices, this article highlights (1) the need for consistency across institutional Research Ethics Boards in the application of general principles of ethics review, and (2) the recognition of local considerations that are informed by disciplinary approaches not envisioned in current ethics policies. Ethics policies that are driven by substantive ethical intent will recognize pedagogical practices, research methodologies, and epistemological values and traditions that mark a discipline. 相似文献
442.
One hundred eleven college students participated in this two-session experiment designed to explore the origins of anti-nuclear war activism. In Session 1 participants completed questionnaires assessing a number of background characteristics and attitudes, the most important of which for this study's purpose was a measure of perceived political efficacy in the nuclear realm. One week later both the salience of the nuclear weapons issue and participants' sense of personalized risk were experimentally manipulated in a 2 × 2 × 2 (salience × risk × measured efficacy) design. Dependent measures were a behavioral intentions questionnaire and an actual opportunity to sign a petition which participants did not recognize as part of the experiment. High salience significantly increased both anti-nuclear war behavioral intentions and actual behavior as predicted. Individuals who felt highly efficacious were also significantly more likely to take action than others as predicted. A similar relation between efficacy and behavioral intentions was not found, although a salience by efficacy interaction was. Personalized risk influenced only behavioral intentions. Finally, the relative impact of these three variables and of other background and attitudinal variables measured in the first session was explored using regression techniques. 相似文献
443.
Semantic restrictions on children's passives 总被引:2,自引:0,他引:2
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The present study examined the influence of unstressed prefixes and suffixes upon the location of stress-beats in the production and perception of stressed CVC syllables. Analysis indicates that the addition of an unstressed suffix produces a small stress-beat shift, while the addition of an unstressed prefix produces a much larger shift in the opposite direction. 相似文献
448.
Effect of lexical status on phonetic categorization 总被引:2,自引:0,他引:2
To investigate the interaction in speech perception between lexical knowledge (in particular, whether a stimulus token makes a word or nonword) and phonetic categorization, sets of [bVC]-[dVC] place-of-articulation continua were constructed so that the endpoint tokens represented word-word, word-nonword, nonword-word, and nonword-nonword combinations. Experiment 1 demonstrated that ambiguous tokens were perceived in favor of the word token and supported the contention that lexical knowledge can affect the process of phonetic categorization. Experiment 2 utilized a reaction time procedure with the same stimuli and demonstrated that the effect of lexical status on phonetic categorization increased with response latency, suggesting that the lexical effect represents a perceptual process that is separate from and follows phonetic categorization. Experiment 3 utilized a different set of [b-d] continua to separate the effects of final consonant contrast and lexical status that were confounded in Experiments 1 and 2. Results demonstrated that both lexical status and contextual contrast separately affected the identification of the initial stop. Data from these three experiments support a perceptual model wherein phonetic categorization can operate separately from higher levels of analysis. 相似文献
449.
D. H. Westendorf R. Randolph Blake Robert Fox 《Attention, perception & psychophysics》1972,12(5):445-448
To determine if binocular summation occurs when increment flashes are of equal energy (Bloch’s law) but unequal in luminance-duration parameters, three Ss made temporal forced-choice judgments: (1) monocularly, (2) binocularly when the flashes to each eye were identical, (3) binocularly when the flashes to each eye were of equal energy but different in terms of their luminance and duration parameters, and (4) binocularly when flashes to each eye were separated by 100 msec. Binocular detection rates were consistently superior to monocular detection rates. Similarity in performance between Conditions 2 and 3 indicates that the binocular visual system responds only to the total energy of each monocular flash. The data from two Ss reveal that binocular performance was greater than that predicted on the basis of probability summation. 相似文献