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111.
The alpha hemispheric asymmetries of males and females were examined with electroencephalographic (EEG) techniques during exposure to connected speech and nonlinguistic stimuli. The subject selection controlled for familial handedness and each subject was administered the Block Design and Vocabulary Subtests of the WAIS as a general measure of “visual-spatial” and “verbal” ability. The results showed that there was less alpha in the right hemisphere for nonverbal tasks and less alpha in the left hemisphere for verbal tasks. The females showed significantly more “lateralization” during the tasks as compared to the males. The results are discussed in terms of processing differences and the possible effects of subject variables, stimulus mode, stimulus presentation, and task requirements on neurolinguistic research results. 相似文献
112.
Russell E. Glasgow Robert O. Ely James K. Besyner Robert C. Gresen Paul D. Rokke 《Journal of psychopathology and behavioral assessment》1980,2(4):273-285
This study assessed the relative utility of audio and audiovisually recorded versions of structured interactions from the Behavioral Assertiveness Test-Revised. The subjects were 28 adult male psychiatric patients who participated in an assertion training program. The systems were evaluated on a number of dimensions including reliability, comparability, sensitivity to change, concurrent and discriminant validity, and cost. The two systems were found to be approximately equally reliable, to produce comparable results on measures that were assessed by both systems, and to be approximately equally sensitive to change. The main advantage of the audiovisual system was the inclusion of a measure of eye contact — which proved to be one of the most valid component behaviors assessed. Potential users need to weigh the additional information obtained from this measure against the substantially greater cost of the audiovisual system. It was concluded that both systems could be simplified, and limitations of the study were noted. 相似文献
113.
Kirchner RE Schnelle JF Domash M Larson L Carr A McNees MP 《Journal of applied behavior analysis》1980,13(1):143-148
The residential burglary deterrent effects of a helicopter patrol procedure were investigated in four separate areas with a multiple baseline technology. The helicopter was flown during an 8:00 a.m. to 4:00 p.m. period in two high density population areas of approximately 9.82 and 14.71 square miles and two low density population areas of 117.49 and 89.97 square miles. The helicopter patrol reduced residential burglaries without crime displacement in the two high density areas but had no deterrent effects in the low density areas. The costs of the helicopter patrol were justified by the benefits that resulted from the reduced home burglaries in the two high density areas. Because the helicopter patrol program is funded by general tax revenues, there is a disparity between those people paying for the procedure (all residents of Nashville) and those citizens that receive the burglary deterrent benefits (only residents of high-density areas). This distribution of benefit limitation suggests two courses of action: (1) The helicopter should be flown only in high population density areas even though the low population density areas are also victimized by high burglary rates. (2) A more comprehensive burglary reduction program must be developed so that effective deterrence can be realized in low density areas. These latter techniques would supplement helicopter patrol strategies and thus form a comprehensive burglary deterrent package that has an equitable benefit distribution. 相似文献
114.
115.
Cynthia M Shewan 《Brain and language》1980,10(1):71-88
Phonological processing was investigated in nine Broca's aphasics. A receptive phonological task examined knowledge of phonotactic rules. Three lists of “word” pairs, phoneme sequences, were constructed such that one member was possible in English and the other was not. The lists varied in distance from English or phonemic structure (CCVC vs. CCVCC). Following auditory presentation, the aphasic was required to indicate which of the two “words” was possible in English. The productive task was an articulation test for monosyllabic and polysyllabic words. The high positive correlation between receptive and productive scores suggested that, rather than motor speech sequencing problems being exclusively involved, more general phonological-articulatory processes were disrupted. Several hypotheses were advanced to describe the nature of this disruption. 相似文献
116.
Perception of control over anxiety mediates the relation between catastrophic thinking and social anxiety in social phobia 总被引:1,自引:0,他引:1
Hofmann SG 《Behaviour research and therapy》2005,43(7):885-895
Cognitive models of social phobia (social anxiety disorder) assume that individuals with social phobia experience anxiety in social situations in part because they overestimate the social cost associated with a potentially negative outcome of a social interaction. Some emotion theorists, on the other hand, point to the perception of control over anxiety-related symptoms as a determinant of social anxiety. In order to examine the relationship between perceived emotional control (PEC), estimated social cost (ESC), and subjective anxiety, we compared three alternative structural equation models: Model 1 assumes that PEC and ESC independently predict social anxiety; Model 2 assumes that ESC partially mediates the relationship between PEC and anxiety, and Model 3 assumes that PEC partially mediates the relationship between ESC and anxiety. We recruited 144 participants with social phobia and administered self-report measures of estimated social cost, perceived anxiety control, and social anxiety. The results support Model 3 and suggest that "costly" social situations are anxiety provoking in part because social phobic individuals perceive their anxiety symptoms as being out of control. 相似文献
117.
Van Houten R Malenfant JE Austin J Lebbon A 《Journal of applied behavior analysis》2005,38(2):195-203
A seatbelt-gearshift delay was evaluated in two U.S. and three Canadian vehicles using a reversal design. The seatbelt-gearshift delay required unbelted drivers either to buckle their seatbelts or to wait a specified time before they could put the vehicle in gear. After collecting behavioral prebaseline data, a data logger was installed in all five vehicles to collect automated data on seatbelt use. Next the seatbelt-gearshift delay was introduced. The results showed that the delay increased all 5 drivers' seatbelt use, and that the duration of the delay that produced relatively consistent seatbelt use varied across drivers from 5 to 20 s. When the device was deactivated in four of the five vehicles, behavior returned to baseline levels. 相似文献
118.
Food and water intake as functions of resource consumption costs in a closed economy. 总被引:2,自引:2,他引:0 下载免费PDF全文
C E Mathis D F Johnson G Collier 《Journal of the experimental analysis of behavior》1996,65(3):527-547
In two experiments, rats living in a closed economy were offered continuous, concurrent access to four resources: food, water, a nest, and a running wheel. Costs of consuming food and water were imposed with bar-press requirements, and the price of either one or both resources was raised. As the consumption cost increased, less was consumed in each bout of resource use. Bout frequency increased, but not sufficiently to compensate for the fall in bout size, and total intake fell. Food and water tended to be complementary resources, in that as intake of one fell with its price, intake of the other also decreased. This interaction was accounted for by the defense of the ratio of body water to lean body mass. As amount consumed decreased, increases in feed efficiency (weight gain per unit of food ingested) and the use of stored calories compensated for the reduced energy intake. There was evidence of competition between feeding and drinking at the higher costs: When both commodities were expensive, the decline in the intake of each one was greater than when only one commodity was expensive. Although the time spent nesting, running, and in unmonitored activity was adjusted when feeding or drinking took more of the rat's day, there was no particular activity that was sacrificed. 相似文献
119.
The effects of response cost and response restriction on a multiple-response repertoire with humans 总被引:1,自引:1,他引:0 下载免费PDF全文
Crosbie J 《Journal of the experimental analysis of behavior》1993,59(1):173-192
In two experiments a multiple-response repertoire of four free-operant responses was developed with university students as subjects using monetary gain as reinforcement. Following baseline, one of the responses was reduced either by making monetary loss contingent upon it (response cost) or by removing it from the repertoire (response restriction). In Experiment 1 a multielement baseline design was employed in which baseline and restriction or response-cost contingencies alternated semirandomly every 3 minutes. In Experiment 2 a reversal design was employed (i.e., baseline, restriction or response cost, then baseline), and each response required a different amount of effort. Both experiments had the following results: (a) The target response decreased substantially; (b) most nontarget responses increased, and the rest remained near their baseline levels; and (c) no support was found for Dunham's hierarchical, most frequent follower, or greatest temporal similarity rules. For several subjects, the least probable responses during baseline increased most, and the most probable responses increased least. Furthermore, in Experiment 2, responses with the lowest frequency of reinforcement increased most (for all 7 subjects), and those with the greatest frequency of reinforcement increased least (for 5 subjects). 相似文献
120.