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311.
In 2 experiments, the authors examined how characteristics of a simulated traffic environment and in-vehicle tasks impact driver performance and visual scanning and the extent to which a computational model of visual attention (SEEV model) could predict scanning behavior. In Experiment 1, the authors manipulated task-relevant information bandwidth and task priority. In Experiment 2, the authors examined task bandwidth and complexity, while introducing infrequent traffic hazards. Overall, task priority had a significant impact on scanning; however, the impact of increasing bandwidth was varied, depending on whether the relevant task was supported by focal (e.g., in-vehicle tasks; increased scanning) or ambient vision (e.g., lane keeping; no increase in scanning). The computational model accounted for approximately 95% of the variance in scanning across both experiments. 相似文献
312.
M Kyle Matsuba 《Cyberpsychology & behavior》2006,9(3):275-284
The purpose of this project was to study how Internet use relates to psychological well-being, relationships, the self and identity. University students (N = 203) completed a battery of questionnaires including measures of time spent online, "pathological" Internet use, Internet motivation, loneliness, relationship quality, self-concept clarity, and ego identity. Results showed positive relationships between measures of Internet use and loneliness. As well, face-to-face relationships were rated higher on both positive and negative quality dimensions relative to online relationships. Finally, Internet use was negatively correlated with self-concept clarity, and associated with moratorium identity status. These results suggest that the Internet may be an important aid for young adults as they searched for an adult identity. 相似文献
313.
Milliken GW Ferra G Kraiter KS Ross CL 《Journal of comparative psychology (Washington, D.C. : 1983)》2005,119(4):430-439
Sixteen sifakas (11 Propithecus verreauxi coquereli, 2 Propithecus verreauxi verreauxi form majori, and 3 Propithecus tattersalli) were videotaped as they fed on leaves in an arboreal context. The hand used to feed and the hand used to maintain postural stability was coded. For each subject, the lateral bias of the hand used to feed was opposite the hand used in postural support. Seven sifakas displayed no bias for feeding or posture-related hand use, 7 sifakas displayed significant feeding-related reach preferences for pulling branches to the mouth (5 left- and 2 right-hand preferences), and 9 sifakas exhibited significant hand preferences for postural support (2 left-, 7 right-hand preferent). Although these data do not strongly support the postural origins theory of behavioral lateralization, the modal preference pattern for sifakas that displayed significant hand preferences for posture and feeding involve a left bias for feeding and a right bias for postural support. s reserved). 相似文献
314.
Wanshaffe KR 《Psychological reports》2002,90(1):349-350
As a test of Zajonc's social facilitation hypothesis, the behavior of 18 young toddlers (16-24 mo.) was observed. Their performance on a simple task was incongruent with his hypothesis, that is, these young toddlers may not evaluate their outcomes in relation to a social standard. 相似文献
315.
Sobel KV Cave KR 《Journal of experimental psychology. Human perception and performance》2002,28(5):1055-1070
In some cases, the search for a conjunction target proceeds through the smaller group of elements in a display, whereas in others, search is limited to those elements that share a particular feature with the target. In 6 experiments, participants searched for a conjunction target among displays consisting of various proportions of 2 distractor types. Smaller-group search was more prevalent than target-feature search with denser displays and with features that were highly discriminable. Explicit instructions to limit search to a specific feature affected performance only when the discriminability of the guiding feature was much greater than the other target feature. Together, these experiments show that bottom-up factors have more influence in guiding conjunction searches than previously thought. 相似文献
316.
This study examined the relationships between silent and oral reading fluency and comprehension. Findings indicated that fourth grade students had consistent levels of comprehension in both reading modes. Students of all reading levels showed a similar pattern across the segments of a text set in both oral and silent reading—a gradual increase in rate from texts one through three, a drop-off on text four, and the fastest speed on text five. A portion of the sample engaged in abnormally rapid silent reading relative to their oral reading rates coupled with low comprehension. Implications for instruction are discussed. 相似文献
317.
A model that describes the construction and execution of decimal computation procedures is presented. Our hypothesis is that students compute by relying solely on syntax-based rules; semantic knowledge has no effect on performance. To test the claim, a model is developed in which computation procedures are viewed as chains of component symbol manipulation rules. The model assumes that students acquire through instruction the individual rules that achieve subgoals in the computation process. The task for the procedural system is to select rules that satisfy each subgoal in sequence. The model specifies the rules of the system and identifies the syntactic features of the task that affect the selection of individual rules at each decision point. It then predicts the relative difficulty of decimal computation items and predicts the procedural flaw that will occur most frequently on each item. Written test and interview data are presented to test the predictions. Concluding comments discuss the nature of students' computation procedures, compare the model with other models of computation performance, and outline how the model might inform instruction. 相似文献
318.
Maureen C. Kenny Kyle D. Bennett Jonelle Dougery Francesca Steele 《Journal of child and family studies》2013,22(8):1092-1102
This case study describes the implementation of a safety training program with a 5-year-old Latino boy diagnosed with Autism Spectrum Disorder. The program focused on teaching him general safety rules and body safety in an effort to reduce his likelihood of sexual victimization and injury. The boy was treated in conjunction with another child by two therapists, while his caretakers participated in a caretaker group. Both groups consisted of 10 h of safety education instruction. Results show that the boy was able to learn a few safety concepts as well as increase his knowledge of personal safety. Caregiver data revealed a minor increase in knowledge of general safety and an increase in family communication regarding safety issues. However, upon a 3-month follow-up, the boy appeared to lose some knowledge. Recommendations for implementing the Body Safety Training program with children with disabilities and providing their caretakers with information regarding the risk of child sexual abuse is provided. 相似文献
319.
Jessica L. Marcon Christian A. Meissner Michael Frueh Kyle J. Susa Otto H. MacLin 《Visual cognition》2013,21(5):767-779
The current research examined whether the cross-race effect (CRE) was evident in perceptual identification tasks and the extent to which certain boundary conditions moderated the effect. Across two experiments, a significant CRE was observed in measures of accuracy and response latency. As predicted, Experiment 1 showed that the CRE was exacerbated when encoding time was brief and test set size was increased. Experiment 2 replicated the effect of set size, but also showed that the CRE was more pronounced when the retention interval was lengthened. The theoretical and practical implications of the results are discussed. 相似文献
320.
Jathan Sadowski Thomas P. Seager Evan Selinger Susan G. Spierre Kyle P. Whyte 《Science and engineering ethics》2013,19(3):1323-1339
The wicked problems that constitute sustainability require students to learn a different set of ethical skills than is ordinarily required by professional ethics. The focus for sustainability ethics must be redirected towards: (1) reasoning rather than rules, and (2) groups rather than individuals. This need for a different skill set presents several pedagogical challenges to traditional programs of ethics education that emphasize abstraction and reflection at the expense of experimentation and experience. This paper describes a novel pedagogy of sustainability ethics that is based on noncooperative, game-theoretic problems that cause students to confront two salient questions: “What are my obligations to others?” and “What am I willing to risk in my own well-being to meet those obligations?” In comparison to traditional professional ethics education, the game-based pedagogy moves the learning experience from: passive to active, apathetic to emotionally invested, narratively closed to experimentally open, and from predictable to surprising. In the context of game play, where players must make decisions that can adversely impact classmates, students typically discover a significant gap between their moral aspirations and their moral actions. When the games are delivered sequentially as part of a full course in Sustainability Ethics, students may experience a moral identity crisis as they reflect upon the incongruity of their self-understanding and their behavior. Repeated play allows students to reconcile this discrepancy through group deliberation that coordinates individual decisions to achieve collective outcomes. It is our experience that students gradually progress through increased levels of group tacit knowledge as they encounter increasingly complex game situations. 相似文献