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181.
Effects of observing athletic contests on hostility 总被引:1,自引:0,他引:1
182.
Previous studies of recognition memory for heterogeneous pictorial stimuli suggest an unusually large storage and retrieval capacity. In the first experiment, three series of homogeneous pictures (faces, ink blots, snow crystals) were presented to six independent groups of Ss, and recognition was tested immediately or 48 h later. Accuracy and sex were related to stimulus configuration; at both time intervals, accuracy was best for faces and poorest for snow crystals. Levels of accuracy were below those attained in studies using heterogeneous arrays. The results of two other experiments suggest the relative unimportance of verbal mediation in recognition of homogeneous pictorial stimuli. 相似文献
183.
The cluster continuum is described, along with how to measure degree of cluster and how to generate stimuli that vary along the continuum. Five experiments were performed on cluster discrimination and rating, numerosity estimation, pattern discriminability, and random generation. Difference thresholds were obtained for discrimination between random and clustered patterns, and ratings exhibited a power function with respect to cluster values of the stimuli. Numerosity estimates decreased with increasing degree of cluster, and random patterns were easier to discriminate than clustered ones. When subjects were asked to arrange items so that they appeared random, they erred on the side of regularity. The cluster continuum was discussed in relation to the distribution of living organisms and to the ecological approach of Gibson. The cluster metric was compared with the measures used in the study of response organization in free recall. 相似文献
184.
185.
Tiffany Field Sheri Goldstein Nitza Vega-Lahr Kathleen Porter 《Infant behavior & development》1986,9(4)
Changes in imitative behavior and attentiveness were observed in 40 infants when they were 2 to 6 months of age. The facial expressions happy, sad, and surprised were modeled in a trials-to-criterion procedure, and the infants' looking time and mouth movements were recorded by an observer who was unaware of the face being modeled. In addition, the observer recorded her guess as to the expression being modeled by the corresponding expression on the infant's face and rated the infant's expressivity. The results suggested that looking time, correspondence between the mouth expression of the infant and the mouth expression modeled, accuracy of the observer's guess, and expressivity ratings decreased from 2 to 3 and 4 to 6 months. Although matching of mouth movements with the modeled mouth movements and accuracy of guesses were greater than chance over the 2 to 6 month-period, the decreases in these measures suggest that imitative behavior declined across early infancy. The decrease in looking time suggests that imitative behavior and attentiveness may be related and highlights the limitation of this paradigm for assessing the development of imitation during early infancy. 相似文献
186.
187.
J H Mueller K L Bailis A G Goldstein 《British journal of psychology (London, England : 1953)》1979,70(4):511-515
Subjects selected on the basis of test anxiety scores made a judgement about each face in a series of slides. These orienting tasks involved either abstract traits (e.g. dependability) or physical features (e.g. weight), and decisions were made relative to either an absolute criterion or self-reference. A subsequent recognition test revealed superior performance by low-anxiety subjects and by subjects who evaluated abstract features during study, but there were no depth by anxiety interactions. The reference point for the decision had little effect overall, but the anxiety deficit was more apparent when the absolute reference point was involved. 相似文献
188.
As an observer views a picture from different viewing angles, objects in the picture appear to change orientation relative to the observer, but some objects change orientation more than others. This difference in rotation for different objects is called the differential rotation effect. The differential rotation is not, however, accompanied by corresponding changes in the perception of the spatial layout of objects in the picture. This lack of correspondence between the perception of rotation and the perception of spatial layout is a result of the fact that the information on a picture's surface defines two kinds of pictorial space with different properties. Rotation is perceived in terms of the pictorial space outside the picture, and spatial layout is perceived in terms of the pictorial space inside the picture. 相似文献
189.
A SURVEY OF LOST AND FOUND CLASSIFIED SECTIONS IN METROPOLITAN AND SMALLER NEWSPAPERS REVEALED DISPARATE RATES BETWEEN LOST ADS AND FOUND ADS: Lost ads greatly outnumbered Found ads, probably because newspapers usually require the finders of lost personal property to pay for Found advertisements. The effect of a Free-Found-Ad policy on the rate of Found advertisements placed in the Lost and Found sections of three community newspapers was investigated using a multiple-baseline design. The results suggested that the Free-Found-Ad policy was effective in increasing the rates of Found ads in all three newspapers. To determine whether increases in Found ads resulted in increases in recovered property, a sample of individuals who placed Found ads were surveyed in both baseline and treatment conditions and asked if the found items had been claimed by their owners. The Free-Found-Ad policy appeared to be effective in increasing the amount of personal property returned. The study concluded that community newspapers can provide incentives to increase such help-giving or altruistic behaviors. The implications of this study for a general policy-research strategy are discussed. 相似文献
190.
The semantic characteristics of study and retrieval contexts were varied in a cued recall paradigm. In the first experiment, ambiguous words (homographs) were modified at input and output by identical adjectives or by different adjectives reflecting either the same meaning or a different meaning. The results supported the principle of encoding specificity (Thomson & Tulving, 1970), but only for identical input and output cues; the results showed no facilitation of similar semantic context on recall. The second experiment used a depth-of-processing manipulation to show that the results predicted by a semantic interpretation of encoding specificity are obtainable, but only when subjects are induced to process deeply. The implications of these data for the generality of encoding specificity are discussed. 相似文献