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361.
Ray Blanchard 《Learning and motivation》1975,6(1):1-10
Eight pigeons were run on a one-key, discrete-trials observing procedure. Pecks during a trial produced S+ and S?, colored key lights which signalled whether the trial would end with response-independent grain reinforcement or nonreinforcement. S+ and S? were produced on a VI schedule which began operating at the onset of the trial. In the main experimental condition, only a response preceded by at least 6 sec of nonresponding could produce S? on nonreinforced trials; any response which satisfied the VI requirement produced S+ on reinforced trials. This procedure allowed the birds to produce S+ on reinforced trials with or without producing S? on nonreinforced trials. The subjects learned to produce fewer S?s over sessions, indicating that S? had a punishing effect on observing. The results were taken as evidence for the conditioned reinforcement hypothesis of observing and against the uncertainty reduction hypothesis. 相似文献
362.
Adaptation to convex and concave arcs in different colored light results in curvature-specific color aftereffects when arcs are later viewed in white light. In three experiments, it was shown that these color aftereffects often are partial (restricted to limited regions of the test arcs) rather than uniform, and in addition that aftereffects induced by exposure to arcs transfer to straight-line displays of particular orientation, and vice versa. These data were interpreted as evidence that arcs are processed in the visual system in relation to the orientations of local straight line approximations instead of on a global basis. In these terms, curvature-specific color aftereffects are merely complex forms of the orientation-specific color aftereffects first described by McCollough (1965). 相似文献
363.
A technique tor quantifying responses of the planarian, using television recording, is described. The planarian swims in a watch crystal filled with spring water, with a TV camera directly under the crystal aimed upward. Shock is administered via four electrodes placed 90 deg apart around the perimeter of the crystal. Magnitude of response to shock is expressed in terms of percent reduction in body length. Latency of response onset is also available by counting synchronizing pulses equalling 1/60 sec. Data from two worms which received 20 shocks/day for 5 days indicated that the magnitude and latency measures were similar for the two animals and were reasonably reliable. The average latency of the UR to shock was about 100 msec, similar to that of the human eyeblink. Extension of the technique for studying CRs was also described, indicating that greater sophistication in quantifying URs and CRs in planarians is now available. 相似文献
364.
Two experiments measured the apparent orientation (aftereffect) and the threshold for detection (masking) of a colored grating viewed by one eye after exposure to a colored grating to the same or the opposite eye (monoptic inspection) or after stimulation of one eye by color and the other eye by contours (dichoptic inspection). Under the monoptic condition, the color relationship between the inspection and test stimuli exerted control over the extent of aftereffect and masking when the two stimuli were viewed with the same eye, but not when they were seen with different eyes. Aftereffect and masking were nonselective to wavelength following dichoptic inspection, irrespective of whether the test stimulus was presented to the color-adapted or to the contour-adapted eye. The results support other claims that visual detectors with chromatic and spatial tuning have monocular specificity. 相似文献
365.
John J. Ray 《Personality and individual differences》1984,5(3):265-271
On first glance, criminals would seem to be a very authority-defiant group—almost by definition. Yet Adorno and colleagues showed them to be very pro-authority. An F-scale version balanced against acquiescence, an Attitude to Authority (AA) scale and an Authoritarianism Behaviour Inventory (ABI) were given to a group of 70 Australian recidivist prisoners in Parramatta Gaol. Compared with general population means, they were found not to be especially high scorers on the F scale but to be very anti-authority in attitudes as measured by the Ray AA scale. They also showed lower scores on the ABI—indicating a non-dominant personality. This latter finding, however, appeared simply a reflection of the generally low occupational status of prisoners. When education was controlled for, prisoners were found to be even more anti-authority than at first appeared (as indexed by AA scale scores). 相似文献
366.
John J. Ray 《European journal of social psychology》1973,3(3):221-232
An examination of the relation between authoritarianism and conservatism is made using newly developed balanced forms of the ‘D’ and ‘F’ scales together with scales to measure political, social, moral and economic conservatism. Neither ‘BD’ nor ‘BF’ scales predicted voting preference. The ‘BD’ scale was significantly, positively related to the political, social and moral conservatism scales but was non-significantly, negatively related to economic conservatism. It was concluded that both the ‘BD’ and ‘BF’ scales are equally good measures of general authoritarianism among supporters of Australian political parties and that while it is in general true that dogmatic people tend to be ideologically conservative, an exception must be made for economic conservatism. This exception is seen to be inferable from the theory of ‘working class authoritarianism’ advanced by Lipset (1960). 相似文献
367.
Two general forms of model for response latency in the yes no signal detection task are described and their predictions examined in the light of experimental data. One model supposes a latency function along the detection axis and the other supposes that a count is made of multiple observation, Experiment I looks at the auditory detection situation with short observation interval, but the results are generally equixocal, although the latency function model gives a simpler interpretation Other results are then discussed, particularly those of Gescheider et al (1969). and it is concluded that an attempt must be made to replicate the results of Carterette et al (1965) for the extended observation interval detection experiment. This is achieved in Experiment II. and the obtained order of mean latencies is then examined in terms of the models The counting model appears by far the more suitable for this situation. 相似文献
368.
Ray Over Jack Broerse Boris Crassini William Lovegrove 《Attention, perception & psychophysics》1974,15(1):53-56
Orientation-specific brightness aftereffects were found when vertical and horizontal gratings of the same space-average luminance were viewed following alternate exposure to vertical and horizontal gratings that differed in space-average luminance. The vertical test grating appeared bright following exposure to a dim vertical grating, and dim after a bright vertical grating had been viewed. This aftereffect did not occur when the adaptation gratings had been seen by one eye and the test gratings by the other eye. An orientation-specific illusion in the perception of brightness was also found, with the white sectors of a vertical grating appearing brighter against a background of horizontal lines than they did against a background of vertical lines. Both distortions imply that there are detectors in the human visual system that are conjointly tuned to luminance and contour orientation. 相似文献
369.
Patricia Chamberlain Ph.D. Judy Ray B.A. Kevin J. Moore Ph.D. 《Journal of child and family studies》1996,5(3):285-297
Staff assumptions and program practices in two models of residential care for male adolescent offenders were compared. Group care settings had from 6 to 15 youths in residence and used peer-mediated treatments. Treatment Foster Care settings had one youngster placed in each home and treatments were adult-mediated. Results showed that group care and Treatment Foster Care program models differed on staff assumptions about therapeutic mechanisms of change, and different patterns of daily program practices were found. 相似文献
370.