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1.
Effects of ratio reinforcement schedules on discrimination performance by Japanese monkeys 下载免费PDF全文
Fujita K 《Journal of the experimental analysis of behavior》1985,43(2):225-234
In Experiment 1, Japanese monkeys were trained on three conditional position-discrimination problems with colors as the conditional cues. Within each session, each problem was presented for two blocks of ten reinforcements; correct responses were reinforced under continuous-reinforcement, fixed-ratio 5, and variable-ratio 5 schedules, each assigned to one of the three problems. The assignment of schedules to problems was rotated a total of three times (15 sessions per assignment) after 30 sessions of acquisition training. Accuracy of discrimination increased to a moderate level with fewer trials under CRF than under ratio schedules. In contrast, the two ratio schedules, fixed and variable, were more effective in maintaining accurate discrimination than was CRF. With further training, as asymptotes were reached, accuracy was less affected by the schedule differences. These results demonstrated an interaction between the effects of reinforcement schedules and the level of acquisition. In Experiment 2, ratio sizes were gradually increased to 30. Discrimination accuracy was maintained until the ratio reached 20; ratio 30 strained the performance. Under FR conditions, accuracy increased as correct choice responses cumulated after reinforcement. 相似文献
2.
Giichi Misawa Mohachi Motegi Kazuhiro Fujita Kanetoshi Hattori 《Personality and individual differences》1984,5(2):173-181
Lynn has published a series of papers on cross-cultural comparison of IQs. In three of his papers, Lynn indicated that the Japanese performed higher on IQ tests, and analyzed this from a socio-ecological point of view. This paper presents a comparison of intellectual abilities of Japanese and American children on the Columbia Mental Maturity Scale (CMMS). 相似文献
3.
Kazuo Fujita 《Attention, perception & psychophysics》1997,59(2):284-292
In Experiment 1, 3 rhesus monkeys and 1 chimpanzee were tested for their susceptibility to the Ponzo illusion. The subjects were first trained to report the length of the target bar presented at the center of the computer display by touching either of the two choice locations designated as “long” or “short.” When inverted-V context lines were superimposed on the target bar, the subjects tended to report “long” more often as the apex of these upward-converging lines approached the target bar. The perception of the Ponzo illusion was thus demonstrated. In Experiment 2, the same 3 rhesus monkeys and 2 new chimpanzees were tested using two types of context lines that provided different strengths of linear perspective. The subjects showed a bias similar to that found in Experiment 1, but there was no difference in the magnitude of the bias between the two types of context in either species. This failed to support the classic account for the Ponzo illusion, the perspective theory, raised by Gregory (1963). In Experiment 3, the magnitude of the illusion was compared between the inverted-V context and the context consisting of short vertical lines having the same gap as the former in the same 3 rhesus monkeys and 2 of the chimpanzees from the preceding experiments. While the chimpanzees showed the illusion for both types of stimuli, the monkeys showed no illusion for the latter. In Experiment 4, 6 humans were tested in a comparable procedure. As in the nonhuman primates, the illusion was unaffected by the strength of linear perspective. On the other hand, the humans showed considerably larger illusion for the context consisting of vertical lines than for contexts consisting of converging lines. Thus, there was a great species difference in the effect of the gap itself on the magnitude of the Ponzo illusion. Similarity found at first turned out to be no more than superficial. Possible sources of this species difference are discussed. 相似文献
4.
Frank E. Pollick Shin’ya Nishida Yasuharu Koike Mitsuo Kawato 《Attention, perception & psychophysics》1994,56(1):91-109
We investigated the ability to match finger orientation to the direction of the axis of rotation in structure-from-motion displays. Preliminary experiments verified that subjects could accurately use the index finger to report direction. The remainder of the experiments studied the perception of the axis of rotation from full rotations of a group of discrete points, the profiles of a rotating ellipsoid, and two views of a group of discrete points. Subjects’ responses were analyzed by decomposing the pointing responses into their slant and tilt components. Overall, the results indicated that subjects were sensitive to both slant and tilt. However, when the axis of rotation was near the viewing direction, subjects had difficulty reporting tilt with profiles and two views and showed a large bias in their slant judgments with two views and full rotations. These results are not entirely consistent with theoretical predictions. The results, particularly for two views, suggest that additional constraints are used by humans in the recovery of structure from motion. 相似文献
5.
The effect of cognitive reappraisal on long‐term emotional experience and emotional memory 下载免费PDF全文
Hyeon Min Ahn Shin Ah Kim In Jae Hwang Ji Woon Jeong Hyun Taek Kim Stephan Hamann Sang Hee Kim 《Journal of Neuropsychology》2015,9(1):64-76
One's ability to properly regulate emotion is critical to psychological and physical well‐being. Among various strategies to regulate emotion, cognitive reappraisal has been shown to modulate both emotional experience and emotional memory. However, most studies of reappraisal have focused on reappraisal of negative situations, with reappraisal of positive emotion receiving considerably less attention. In addition, the effects of reappraisal on emotional reactions to stimuli are typically only assessed either immediately or after a short delay, and it remains unclear whether reappraisal effects persist over longer time periods. We investigated the effect of cognitive reappraisal on emotional reactions and long‐term episodic memory for positive and negative stimuli. Men and women viewed emotionally negative, positive, and neutral pictures while they were instructed to either increase, decrease, or maintain the initial emotional reactions elicited by the pictures. Subjective ratings of emotional valence and arousal were assessed during the regulation task and again after 1 week. Memory for the pictures was assessed with free recall. Results indicated that pictures accompanied by instructions to increase emotion were better recalled than pictures reappraised to decrease emotion. Modulation of emotional arousal elicited by stimuli persisted over a week, but this effect was observed only for men. These findings suggest that cognitive reappraisal can have long‐lasting effects on emotional reactions to stimuli. However, the sex differences observed for the effects of reappraisal on emotional reactions highlight the importance of considering individual differences in the effects of regulation. 相似文献
6.
7.
Purpose
This study aims at testing the mediating role of team reflexivity in the relationships between team learning, performance-prove, and performance-avoid goal orientations and team creative performance and assessing the relative importance of the three types of team goal orientation in team reflexivity and creative performance.Methodology
We conducted Study 1 on 68 student teams by using a two-wave time-lagged design. In Study 2, we carried out a cross-sectional field study on 108 intact work teams in diverse Korean companies.Findings
Team learning goal orientation was significantly associated with team creative performance. While team learning and performance-prove goal orientations were equally influential in predicting team reflexivity, team performance-avoid goal orientation had no relationship with team reflexivity and creative performance. Team reflexivity mediated the relationships between team learning and performance-prove goal orientations and team creative performance.Implications
By revealing that team learning and performance-prove goal orientations can contribute to team creative performance through the facilitation of team reflective process, this study provides practitioners with insight into critical antecedents and team process that are conducive to the creative performance of work teams.Originality/Value
This is one of the first studies to explore a mediating mechanism between team goal orientation and creative performance. This study attends to the role of team reflexivity as a key team-regulatory process that underlies the relationship between team goal orientation and team performance. Furthermore, the use of multiple studies in different contexts strengthens the robustness of the study findings.8.
Satoshi Hirata Koki Fuwa Keiko Sugama Kiyo Kusunoki Shin Fujita 《Animal cognition》2010,13(5):679-688
This paper reports on the use of an eye-tracking technique to examine how chimpanzees look at facial photographs of conspecifics.
Six chimpanzees viewed a sequence of pictures presented on a monitor while their eye movements were measured by an eye tracker.
The pictures presented conspecific faces with open or closed eyes in an upright or inverted orientation in a frame. The results
demonstrated that chimpanzees looked at the eyes, nose, and mouth more frequently than would be expected on the basis of random
scanning of faces. More specifically, they looked at the eyes longer than they looked at the nose and mouth when photographs
of upright faces with open eyes were presented, suggesting that particular attention to the eyes represents a spontaneous
face-scanning strategy shared among monkeys, apes, and humans. In contrast to the results obtained for upright faces with
open eyes, the viewing times for the eyes, nose, and mouth of inverted faces with open eyes did not differ from one another.
The viewing times for the eyes, nose, and mouth of faces with closed eyes did not differ when faces with closed eyes were
presented in either an upright or inverted orientation. These results suggest the possibility that open eyes play an important
role in the configural processing of faces and that chimpanzees perceive and process open and closed eyes differently. 相似文献
9.
Kentaro Fujita 《Social and Personality Psychology Compass》2008,2(3):1475-1496
Self‐control failure is a ubiquitous and troubling problem people face. This article reviews psychological models of self‐control and describes a new integrative approach based on construal level theory (e.g., Trope & Liberman, 2003 ). This construal‐level perspective proposes that people's subjective mental construals or representations of events impacts self‐control. Specifically, more abstract, global (high‐level) construals promote self‐control success, whereas more concrete, local (low‐level) construals tend to lead to self‐control failure. That is, self‐control is promoted when people see the proverbial forest beyond the trees. This article surveys research findings that demonstrate that construing events at high‐level versus low‐level construals promotes self‐control. This article also discusses how a construal‐level perspective promotes understanding of self‐control failures. 相似文献
10.