Effects of adult verbal requests on the behavior of autistic children.
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The burgeoning popularity of motion pictures in dental education, despite the absence of supporting data, presents the possibility that the medium is being used uncritically. Assumptions underlying the choice and production of dental films are enumerated and critiqued. The assumption that the typical dental procedure film provides a useful model of dental motions is seriously questioned. Potentially superior alternatives are proposed.
The effects of observing a model's overt display of a creative drawing response and hearing a description of these actions were assessed with 54 retarded and 68 nonretarded children. The modeled creative strategy was designed to be high in the dimension of elaboration. A multivariate research design was employed to assess the target dimension of elaboration, as well as to determine transfer to tasks of varying degrees of similarity to the model's task and to creative dimensions other than elaboration. The overt modeling of a creative strategy was most effective in improving elaboration, although verbal descriptions also aided performance. Retarded children were less able than nonretarded children to discriminate the essential elements of the model's elaboration strategy and displayed less acquisition of the elaboration strategy but showed comparable gradients of transfer.
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It has been clearly established that individuals' alcohol consumption tends to covary with the rate and absolute quantity of a drinking partner. Sixty men and 73 women participated in a two-part study designed to examine the role of modeling and alcohol-related expectancies in predicting whether individuals would model the type of beverage selected by a confederate. A stepwise logistic regression designed to predict whether an individual would select an alcoholic or nonalcoholic drink indicated that confederate beverage choice and personal alcohol expectancy (social/physical pleasure) predicted beverage selection. Nonsignificant predictors included gender of the participant, whether participant and confederate were of the same gender, fear of negative evaluation, and typical drinking. The results indicate the importance of evaluating both individual and situational variables in predicting behavior.
Previous studies of attempted suicide have cast doubt on the value of assessing psychological intent. By identifying a moderating variable, namely, the attempter's preconceptions about the lethality of his act, the authors were able to solve the puzzle of the low correlations between intent and lethality. Suicidal intent correlates highly with medical lethality when the attempter has sufficient knowledge to assess properly the probable outcome of his attempt. The authors conclude that suicidal intent and medical lethality are useful dimensions in classifying suicidal behavior.
This study examined the importance of reference group variables in the understanding of drug use in college students. Other studies have investigated the role of peer orientation, and this study further elaborates on the issue by specifically looking into parents and peers as reference groups for the students. This study supports the importance of reference group variables in understanding the students' use of marijuana and/or hashish. In addition, it shows that the sociodemographic variables cannot predict drug use behavior as well as the reference group variables can.
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This paper aims to review a long-term research project exploring the chimpanzee mind within historical and ecological contexts. The Ai project began in 1978 and was directly inspired by preceding ape-language studies conducted in Western countries. However, in contrast with the latter, it has focused on the perceptual and cognitive capabilities of chimpanzees rather than communicative skills between humans and chimpanzees. In the original setting, a single chimpanzee faced a computer-controlled apparatus and performed various kinds of matching-to-sample discrimination tasks. Questions regarding the chimpanzee mind can be traced back to Wolfgang Koehler's work in the early part of the 20th century. Yet, Japan has its unique natural and cultural background: it is home to an indigenous primate species, the Japanese snow monkey. This fact has contributed to the emergence of two previous projects in the wild led by the late Kinji Imanishi and his students. First, the Koshima monkey project began in 1948 and became famous for its discovery of the cultural propagation of sweet-potato washing behavior. Second, pioneering work in Africa, starting in 1958, aimed to study great apes in their natural habitat. Thanks to the influence of these intellectual ancestors, the present author also undertook the field study of chimpanzees in the wild, focusing on tool manufacture and use. This work has demonstrated the importance of social and ecological perspectives even for the study of the mind. Combining experimental approaches with a field setting, the Ai project continues to explore cognition and behavior in chimpanzees, while its focus has shifted from the study of a single subject toward that of the community as a whole.
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This study examined associations between children's early experiences in family disputes and their later management of conflicts with a close friend. Thirty-seven children were observed interacting with their mother and older sibling at 33 months and with a friend at 72 months. Children's early use of argument was not associated with their later behavior during disputes with a friend. However, argument used by the mother and sibling that considered the child needs was positively associated with the child's later use of constructive argument and resolution techniques. The mother's use of argument that focused on her own needs was negatively related to these outcomes. These associations were independent of global characteristics of the mother-child and sibling relationships. Moreover, the mother's use of argument predicted the child's later conflict management independent of the child's early argument patterns, emotion understanding, and verbal fluency.
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