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241.
Emily J. Stein Ellen Perlman Simon Kathleen Wade 《Journal of business and psychology》1997,12(2):175-187
This paper describes two different strategic interventions designed to provide emotional and practical support to employees during downsizing in two large urban hospitals. The first program was hospital-wide and developed by a team of human resource professionals. The second program was smaller in scale and designed for a single hospital department. Both programs were initiated to minimize the negative impact of job loss and to address the concerns and heighten the morale of remaining employees. 相似文献
242.
Trompe l'oeil pictures have been produced for hundreds of years. They attempt to create the impression of a surface that has different three-dimensional structure to the work; successful examples of trompe l'oeil typically constrain the observer's viewpoint and require use of a single eye. The works of Patrick Hughes are in relief but are painted to appear like conventional flat pictures; those parts that protrude from the picture plane are pictorially distant, or in reverse perspective. Movements of the observer result in fluid distortions of the pictorial image. These distortions occur with binocular observation and over a wide range of viewing distances. 相似文献
243.
Three experiments tested the hypothesis that testosterone may be aromatized to an estrogen to stimulate running-wheel activity in rats. Aromatizable (testosterone propionate: TP) and nonaromatizable (dihydrotestosterone propionate; DHTP) androgens were compared with estradiol benzoate (EB) for the ability to induce running in castrated male rats. The DHTP had no effect on running. The TP increased running, but EB was more than 100 times as effective. A relatively small dose of a specific estrogen antagonist, MER-25, was shown to attenuate the effects of both EB and TP on male running. The MER-25 did not affect the running of castrated, oil-treated male rats and did not inhibit the running induced by food deprivation. 相似文献
244.
N. J. Wade 《Attention, perception & psychophysics》1975,17(6):571-577
Binocular rivalry alternations between single lines oriented at 0 and 90 deg or 0 and 45 deg were measured. The lines were viewed as either real images or afterimages. The experiment was designed to determine whether or not a vertical (0 deg) line predominates for longer than a nonvertical line and to compare the temporal characteristics of rivalry between real images and afterimages. There were no systematic differences in predominance durations under any of the rivalry pairings or viewing conditions. The dominance periods for rivalry between afterimages were longer than those for real images. Frequency distributions of the dominance periods were all positively skewed, and the parameters of the fitted gamma distributions were similar in all cases. Tests of the sequential dependence of successive dominance periods indicated that they were independent for both real images and afterimages. 相似文献
245.
N. J. Wade 《Quarterly journal of experimental psychology (2006)》1970,22(3):420-422
Egocentric visual orientation was investigated with lateral head tilts relative to the upright and supine trunk. A significant difference was found in the trend of visual head axis judgments between 40° left and 40° right head tilt for the two conditions, such that they varied systematically with the degree of tilt for the upright but not for the supine condition. 相似文献
246.
N. J. Wade 《Attention, perception & psychophysics》1974,15(1):115-122
Afterimages consisting of between two and five lines were observed in five experiments. Measures were taken of both the duration and frequency of visibility of the lines comprising the configurations, and also of all line combinations. In Experiments I-III, lines forming angles, triangles, and a square were varied in orientation. Neither the absolute nor the relative orientation of the lines had any systematic effects on the measures. These results are compared with those that have been derived from steady fixation and optical stabilization, in which vertical-horizontal line pairs yield greater stability than other orientations. In Experiment IV, afterimages of the letters N and Z were found to be more stable than those of their mirror-image reversals, both in terms of the duration of visibility of the entire configurations and the obliques. This pattern was not produced using a complex configuration that could fragment into either a letter or a reversed letter (Experiment V). Similar effects have been found during steady fixation. 相似文献
247.
N. J. Wade 《Attention, perception & psychophysics》1973,14(2):384-386
Afterimages of gratings oriented vertically or at 45 deg relative to gravity were generated with the head upright or tilted so that the retinal meridian was inclined 45 deg. The duration of visibility of the whole afterimage was longer for the vertical grating when the head was upright and for the 45-deg grating when the head was tilted. It was concluded that this orientation selectivity of afterimages is dependent upon the orientation of the grating with respect to the retinal meridian rather than to the direction of gravity. 相似文献
248.
N. J. Wade 《Attention, perception & psychophysics》1973,13(3):446-450
Single lines and gratings oriented vertically or at 45 deg were observed as prolonged afterimages in two experiments. The duration of complete visibility exhibited consistent orientation selectivity for the gratings but not for single lines: vertical gratings were visible for longer than were 45-deg gratings. The results are discussed in relation to the hypothesized spatial frequency channels in the human visual system. 相似文献
249.
Charles R. Greenwood Granger Dinwiddie Barbara Terry Linda Wade Sandra O. Stanley Susan Thibadeau Joseph C. Delquadri 《Journal of applied behavior analysis》1984,17(4):521-538
In three experiments, we compared the effects of instructional arrangements that varied in: (a) teacher versus peer mediators, (b) methods used, (c) levels of student academic responding generated, and (d) content taught and tested. Instructional arrangements (i.e., tasks, structure, teacher position, teacher behavior) and students' levels of academic responding were measured by an observation system which served as an index of the independent variables. Students' accuracy on weekly spelling, arithmetic, and vocabulary tests and pre- and post-standardized achievement tests (Experiments 2 and 3 only) were the dependent variables. Results indicated that the classwide peer tutoring, compared to the teacher's procedure, produced more student academic responding and higher weekly test scores, regardless of treatment order or subject matter content (Experiment 1). The four lowest performing students in each class, in particular, benefited from peer tutoring, often performing as well as the other students. These findings were replicated in Experiments 2 and 3 wherein content taught/tested was also manipulated. Standardized test score gains were higher in those areas in which peer tutoring was used longest. Issues related to the functional analysis of instruction and achievement gain are discussed. 相似文献
250.
This study examined the psychological reactions of children who lived in a community exposed to serial murder. The research also examined how parents coped with their children's psychological responses. Thirty-four parents of 64 children between the ages of 5 and 18, inclusive, were asked to identify changes in their children since the serial murders. Data collection began 4 weeks following the murders and included assessment of emotional, cognitive and behavioral aspects of the child's responses. Follow-up data collection occurred at 9 months and 18 months after the murders. Results indicated that children, as a group, experienced a number of psychological changes following the murders, even though none of the actual victims were children. The most frequently reported symptoms were anxiety-based (fear of being alone, difficulty falling asleep and wanting to sleep with patents). Most children showed a significant decline in symptoms across time. The most popular parent coping strategies involved discussing issues of risk minimization, talking about the murders, and spending more time with children. 相似文献