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261.
The early contributions of Saaty have spawned a multitude of applications of principal right (PR) eigenvector “scaling” of a dominance matrix [R]. Prior to Saaty's work (1977–1984) scaling of dominance matrices received little attention in multidimensional scaling, e.g., see Shepard (1972, pp. 26–27). This eigenvector method (EM) of scaling [R] yields ui scores (weights) popularly used at each branching of the Analytic Hierarchy Process (AHP) technique that has been increasingly applied in multiple criterion analysis of utility, preference, probability, and performance. In this paper, it is proposed that an alternate least squares method (LSM) scaling technique yielding least squares optimal scores (weights) provides wi1 values having a number of important advantages over ui scores popularly utilized to date.  相似文献   
262.
When people are asked to report their beliefs in a (target) statement, they may search memory for other, “informational” propositions that bear on its validity, and may use their beliefs in these propositions as bases for their judgments. Several factors were hypothesized to affect the particular propositions that subjects are likely to recall under such conditions. Subjects first familiarized themselves with a list of informational and target propositions. Then, they reported either their beliefs in these propositions or their attitudes toward them. In a second session 1 week later, they recalled as many of the propositions as they could. Both informational and target statements were better recalled when the informational propositions were unlikely to be true. In addition, the target statements were better recalled when the informational propositions associated with them had unclear implications for their validity. Recall of one proposition was more likely to cue the recall of the other when subjects had previously reported belief in the target proposition (rather than attitudes toward it). However, it was more likely to occur when subjects had reported attitudes toward the informational proposition (rather than beliefs in it). The effects of these variables were interpreted in terms of their mediating influence on the strength of association between the informational proposition and both (a) the target proposition and (b) contextual and environmental cues in the situation where target beliefs are reported.  相似文献   
263.
The present study was designed to investigate the effects of self-efficacy on weight loss utilizing self-control techniques. Subjects high and low in preexisting self-efficacy were randomly assigned to high or low manipulated self-efficacy groups in a 2 × 2 (preexisting self-efficacy × manipulated self-efficacy) factorial design. Preexisting self-efficacy was assessed using procedures employed byBandura and Adams (1977, Cognitive Therapy and Research, 1, 287–308). Selfefficacy was manipulated by having subjects attribute successful task performance to a previously unrecognized capacity for self-control. Subjects met in groups once a week for a total of 8 weeks and received a comprehensive weight control program within the context of self-control. Results indicated significant manipulated and preexisting × trials interactions with both the high manipulated and preexisting self-efficacy groups losing more weight over the 8 weeks than the low preexisting and manipulated groups. In addition, locus of control was predictive of weight loss, with internals tending to lose more weight than externals. Results are discussed in terms of Bandura's (1977, Psychological Review, 84, 191–215) theory of self-efficacy.  相似文献   
264.
Five experiments were performed in the area of children's causal reasoning to validate a previously reported developmental difference, to examine the role of a possible mediating mechanism, and to test a number of competing theoretical interpretations. As previously, the regularity of a cause-effect pairing influenced the causal attributions of 8- and 9-year-olds but not of 5- and 6-year olds; the results were found not to be artifacts of either a response induced commitment to choosing a particular object or the brevity of the exposure period. The developmental difference also was not explained by discrepant encoding of the term “cause,” by memorial deficiencies, or by differences in criteria for drawing causal inferences. Instead, it appeared that greater perceptual distractibility prevented the younger children from searching for and finding the temporally invariant relationship hypothesized to be crucial to inferring causality in the experimental situation.  相似文献   
265.
Korman's (Journal of Applied Psychology, 1968, 52, 484–490) prediction that performance and satisfaction should be positively related for high self-esteem individuals and unrelated for low self-esteem individuals was tested with samples of scientists, engineers, homemakers, firefighters, and clerical workers. Although there was a slight tendency for this prediction to be supported with the male scientist, engineer, and firefighter samples, Korman's theory was unsupported in the homemaker and clerical worker samples. Since the correlations found for low and high self-esteem persons significantly differed in only one of eight comparisons, self-esteem did not appear to be a reliable moderator of the performance-satisfaction relationship. Problems with previous studies purporting to test Korman's prediction are discussed, and the possibility of a confound between self-esteem and sex role and/or status is introduced.  相似文献   
266.
The development of analogical reasoning processes.   总被引:2,自引:0,他引:2  
Two experiments were conducted to test the generalizability to children of a theory of analogical reasoning processes originally proposed for adults (R. J. Sternberg, Psychological Review, 1977a, 84, 353–378; R. J. Sternberg, Intelligence, information processing, and analogical reasoning: The componential analysis of human abilities, Hillsdale, N.J.: Lawrence Erlbaum Associates, 1977b) and to examine the development of analogical reasoning processes in terms of five proposed sources of cognitive development: (a) availability of component operations; (b) strategy for combining multiple component operation; (c) strategy for combining multiple executions of the same component operation; (d) consistency in use of strategy; (e) component-operation latency and difficulty. Between 15 and 21 subjects in each of grades 2, 4, 6, and adulthood (ages 8, 10, 12, and 19 years, respectively) were tested in their ability to solve analogies of systematically varied difficulty. Performance was measured in terms of latencies for items solved correctly, latencies for all items solved, and error rates. A slightly modified version of the Stenberg, 1977(a), Stenberg, 1977(b) theory was found to be applicable to the data for each of the age levels tested. In analogies with perceptually separable attributes, change over age was found in sources (d) and (e) noted above. In analogies with perceptually integral attributes, change over age was found in sources (a), (c), (d), and (e). Developmental trends were discussed in terms of past theory and findings, and possible reasons for differences in developmental patterns between the two kinds of analogies were suggested.  相似文献   
267.
Graduates from a public, postsecondary vocational-technical school are compared with a control group of individuals without such education in order to assess differences in level of anomie (via Srole Scale).While differences in some cases were minimal, vocational-technical graduates generally revealed a more positive attitude about the present and future. It is suggested that since their education is more job-centered, and they have already experienced some occupational “success”, they are more likely to have internalized and reflect traditional societal norms. The control group, while possessing similar demographic backgrounds, still are in transition-attending college, looking for work, etc.  相似文献   
268.
Two experiments with college males examined the relationship between moral judgment and compliance in a modified Asch paradigm. In Experiment 1 moral judgment was assessed with the written form of Kohlberg's dilemmas. Stage of moral judgment interacted with type of compliance, with Stage 4 subjects showing a compromise response between their own perceptions and the responses of others. In Experiment 2 moral judgment was assessed with Rest's Defining Issues Test. Compliance was found to be negatively related to level of moral judgment. The relationship found between moral judgment and compliance in the two experiments was interpreted in terms of a trend away from external standards and toward internal standards with higher levels of moral judgment.  相似文献   
269.
Two experiments are reported which investigated the conditioning of inhibition to a neutral stimulus as a result of its repeated pairing with a previouslyconditioned inhibitor. Both experiments employed a conditioned suppression technique with rat subjects. Experiment 1 detected the second-order inhibition through the retarded acquisition of concurrently administered excitatory conditioning. Experiment 2 found similar retardation in the acquisition of excitatory fear conditioning following previous second-order conditioning of inhibition to the stimulus. Implications are discussed for theories of the nature of inhibition and for second-order conditioning as an assessment technique.  相似文献   
270.
One hundred thirteen 7-, 9-, and 11-year-old children viewed a series of stimuli consisting of Chinese characters exposed a different number of times. Following exposure to the stimuli, children ranked the stimuli according to liking. Seven- and 9-year-olds preferred the more familiar characters to those seen less frequently, but the oldest children preferred novel stimuli. In rankings taken 3 weeks after original exposure, a subsample of 11-year-olds preferred the more familiar characters. These results suggest that discrepancies obtained in previous research on the affective consequences of mere exposure are of methodological rather than developmental origin. Possible critical differences in procedure are discussed.  相似文献   
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