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81.
82.
Although observational learning by children may occur through imitating a modeler's actions, it can also occur through learning about an object's dynamic affordances--a process that M. Tomasello (1996) calls "emulation." The relative contributions of imitation and emulation within observational learning were examined in a study with 14- to 26-month-old children. The effectiveness of a "ghost" condition, in which the effective operation of the means apparatus was seen to occur without human agency, was compared with that of a standard modeling procedure in which the child saw an experimenter demonstrate the means action. The ghost condition was as likely to encourage observational learning as was the modeling condition; indeed, performance in the ghost condition was significantly better. The role of emulation in the development of observational learning is discussed in the context of a possible form of goal directedness without agency. 相似文献
83.
The authors investigated sex preferences for firstborn children and (a) pro- technology attitudes and willingness to use sex selection technology (SST) and (b) social conformity. College students (N = 469; 239 women, 230 men) answered demographic questions and questions on technology usage and personal preferences and completed a measure of conformity. Findings revealed a significant overall preference for firstborn males, a specific preference of potential SST users for firstborn sons, and a greater willingness of African American students, compared with White students, to use SST. No correlation was found between conformity and potential SST use. Logistic regression results suggested that protechnology attitudes may be predictive of firstborn preferences. Implications of the findings are discussed in relation to gender equality and population sex ratios. 相似文献
84.
Frank Vitaro Jose Bouchard Michel Diotte Doreen McCaughry 《International journal of psychology》1988,23(1-6):333-356
Twenty aggressive and rejected children (boys and girls), twenty socially competent and popular children, and twenty children having average social skills - all of which were first and second graders attending regular school - participated in this study. All were presented on videotape with nine typical peer-conflict situations. Each child was asked about the way that he/she felt, and the way that he/she would resolve each problem situation. In addition, each child had to specify what he/she thought to be the offender's intentions in each problem situation. Several points differentiated first grade from second grade subjects. However, aggressive, socially skilled and average subjects distinguished themselves on only a few items. Differences relating to subject's sex were also scarce. Data support the view that aggressive children know as well as other children how to appropriately resolve interpersonal conflict situations. However, they do not use this knowledge because of impulsivity control problems, an inability to correctly identify others' intentions or a lack of motivation. 相似文献
85.
Carol A. E. Nickerson Gary H. McClelland Doreen M. Petersen 《Behavior research methods》1990,22(4):360-374
Methodological problems encountered in implementing conjoint analysis include (1) the impractically large set of multiattribute choice alternatives created by the factorial combination of more than a few attributes, (2) the hypothetical nature of the alternatives in the choice set, and (3) the assumption that each individual’s preferences can be described by the same composition rule. The techniques of tailoring, belief matching, and axiom testing are suggested as solutions to these problems, and their use is demonstrated in a conjoint analysis study of individuals’ contraceptive preferences. It is noted that tailoring and belief matching can also be used as methodological enhancements in functional measurement studies. 相似文献
86.
Edward J. Daly Brian K. Martens Anna Kilmer Doreen R. Massie 《Journal of applied behavior analysis》1996,29(4):507-518
This study examined the effects of instructional match and content overlap on students' ability to generalize from passage reading instruction. Four students with mild disabilities served as participants. Using a multielement design, students were instructed with passages at two levels of text difficulty (instructionally matched vs. instructionally mismatched), and generalization was assessed with passages at two levels of similarity to those instructed (low vs. high content overlap). Results indicated that students' oral reading accuracy and fluency showed the greatest degree of generalization when instructional materials were matched to the students' skill level and assessment materials were similar to those used during instruction. Moreover, these results were maintained at 1-month follow-up. The implications of these findings for classroom reading instruction and the assessment of students' reading skills are discussed. 相似文献
87.
A 52-year-old right-handed woman who became deaf before the development of speech, suffered an occlusion of the right middle cerebral and a marked stenosis of the right anterior cerebral arteries. She showed no disturbance in the manual sign language or in finger-spelling, in contrast to previous reports of cases with left-sided damage. 相似文献
88.
Peter J. Adams M.A. Roger C. Katz Ph.D. Kenneth Beauchamp Ph.D. Esther Cohen Ph.D. Doreen Zavis B.A. 《Journal of child and family studies》1993,2(1):37-46
McCarthy (1990) contends that a cultural ideal of thinness (the thin ideal) causes depression and eating disorders to occur more frequently in women than men. She believes eating disorders are a way of coping with depression and hypothesizes that the thin ideal has its greatest impact during puberty when sexual attractiveness becomes important and changes in physical appearance increase the discrepancy between the adolescent girl's actual and ideal body image. The present study used a cross-sectional design of 5th, 8th, and 12th grade males and females (N = 599) to test several predictions from McCarthy's model. As expected, 8th and 12th grade females preferred a thinner than average body shape. They were more dissatisfied with their bodies than males and scored higher on measures of disordered eating. In contrast, before puberty (5th grade) boys were more depressed than their female peers but this pattern was reversed in 8th grade boys and girls. Paralleling changes in depression, disordered eating scores were highest in 8th and 12th grade girls. Both of these findings underscore the role of maturational factors in the onset of eating disorders. Although the sample was ethnically diverse and mainly from middle and low socioeconomic groups, there was a surprisingly high incidence of body dissatisfaction and symptoms of disordered eating. This illustrates the pervasiveness of thinness as a standard of feminine beauty in our society and the damaging effects it can have. 相似文献
89.
Amy B. Kaplan Michael G. Aamodt Ph.D. Doreen Wilk 《Journal of business and psychology》1991,5(3):383-395
The relationship between recruitment advertisement variables and applicant response rate was investigated. Three hundred and fifty companies were surveyed about applicant responses to their classified advertisements. One hundred and thirty-three surveys were completed and sent back for a return rate of 38%. The results of this study indicate that advertisements which include variables to enhance the physical features of the advertisement: such as white space, size, border, and graphics—are positively related to the quantity of an applicant pool. 相似文献
90.
It has been suggested that the analgesic effect of morphine becomes attenuated over the course of successive administrations by a conditional, compensatory, hyperalgesic response elicited by the administration procedure, thus accounting (in part) for analgesic tolerance. On the basis of this associative model of tolerance, it would be predicted that established tolerance would be extinguished by placebo sessions. In experiments of apparently similar design (but conducted by different experimenters in different laboratories), data both confirming and refuting this prediction have previously been published. The present experiment, conducted jointly by the experimenters who reported the divergent findings, was designed to determine the reasons for the different results. It was found that placebo sessions do consistently attenuate morphine analgesic tolerance. Such extinction is not limited to the experimenter, drug preparation, rat strain, or apparatus used in the original, successful demonstration of the phenomenon, but rather is also demonstrable under conditions similar to those used in subsequent experiments which failed to demonstrate extinction of tolerance. Results of the present experiment suggest that the failures to demonstrate extinction of tolerance were attributable to insufficient extinction training. 相似文献