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161.
Research into the effects of aging on response time has focused on Brinley plots. Brinley plots are constructed by plotting mean response times for older subjects against those for young subjects for a set of experimental conditions. The typical result is a straight line with a slope greater than 1 and a negative intercept. This linear function has been interpreted as showing that aging leads to a general slowing of cognitive processes. In this article, we show that the slope of the Brinley plot is actually a measure of the relative standard deviations of older versus young subjects’ response times; it is not a measure of general slowing. We examine current models of the effects of aging on mean response time and show how they might be reinterpreted. We also show how a more comprehensive model, Ratcliff’s diffusion model (1978), can account for Brinley plot regularities and, at the same time, provide an account of accuracy rates, the shapes of response time distributions, and the relative speeds of error and correct response times, aspects of the data about which models designed to account for Brinley plots are mute. We conclude by endorsing a research approach that applies explicit models to response time data in aging in order to use the parameters of the model to interpret the effects of aging.  相似文献   
162.
Children's sensitivity to context when making inferences about ability was investigated. In three studies, elementary school children (ages 5 to 10, total N = 332) were asked to reason about the relation between academic ability and the speed with which characters completed puzzle tasks. Participants were primed to interpret the characters' task completion rates with reference to either (1) the character's perceptions of the difficulty of the task, or (2) the character's level of effort on the task. Children who were primed to consider the perceived difficulty of the task were more likely to view ability as a static quality, a pattern of reasoning that included a tendency to associate task completion rates with ability, and to agree that not all individuals are capable of achieving high levels of success. These results provide evidence that even early elementary school children are sensitive to subtle contextual cues when making inferences about ability, and are consistent with the possibility that children make use of implicit cues available to them in their social environment to derive meaning from achievement situations.  相似文献   
163.
Based on a qualitative anthropological study of American mothers of infants and young children newly diagnosed with disability, this essay examines how mothers understand their children and define disability in relation to publicly available discourses of disability and identity. In seeking to improve their children's opportunities in mainstream society, mothers appear to comply with the medical model. But over time and in the process of providing meaning to their experience, mothers retool models, drawing both on the social and minority group models' rejection of a problem-based definition of disability as inherently caused by impairment and on their own intimate engagement with impairment as an embodied experience.  相似文献   
164.
Children's evaluation of sources of information about traits   总被引:1,自引:0,他引:1  
Children's assessment of the value of different sources of information about psychological traits was investigated among 6- to 7-year-olds and 10- to 11-year-olds across 5 studies (N = 330). Older children were more likely than younger children to reject self-report as a source of information about the highly evaluative traits smart and honest, but no such age-related difference was seen for the less evaluative comparison traits outgoing and nervous. A similar pattern of age-related differences was seen when children were asked to identify which of 4 sources of information--self-report, teacher report, peer report, or direct observation--would be most useful for obtaining information about the evaluative and comparison traits. The age-related increase in skepticism about self-report as a source of information for evaluative traits was associated with an increased appreciation of the role that social desirability plays in self-presentational processes.  相似文献   
165.
The current study investigated aspects of post-traumatic stress disorder and attention deficit/ hyperactivity disorder (ADHD) among hoarders. Compared to a sample of 36 controls, hoarders (n=26) reported a significantly greater number of different types of trauma, more frequent traumatic experiences, more symptoms of inattention, hyperactivity, and greater comfort derived from possessions. These findings are consistent with previous reports of extensive comorbidity associated with hoarding behaviors, and may reflect the potential usefulness of assessing PTSD and ADHD symptoms at the outset of hoarding treatments, as well as considering alternative pharmacological interventions.  相似文献   
166.
167.
Smith DE  Mosby G 《Adolescence》2003,38(150):369-381
The family is the most prominent social group that exists. It prepares its members for the various roles they will perform in society. Yet, the literature has unequivocally singled out the family as the most violent social group, with parental violence against children being the most prevalent type of family violence. While societies like the United States, Japan, and Sweden have taken a hard line on physical punishment and shifted to a gentler approach to discipline, harsh disciplining of children persists elsewhere. In the Caribbean, and Jamaica in particular, child-rearing and disciplinary practices that would warrant child abuse charges in other Western societies are rampant. This article examines the child-rearing techniques of Jamaican adults and their assumed effects on child outcomes. It also examines the plausibility of the assumption that the harsh physical punishment meted out to children is partially responsible for the current social problems of that island nation. We recommend approaches to tackle the broad goals of addressing familial and societal practices that compromise children's development and well-being.  相似文献   
168.
A new explanation is proposed for a long standing question in psycholinguistics: Why are some reduced relative clauses so difficult to comprehend? It is proposed that the meanings of some verbs like race are incompatible with the meaning of the reduced relative clause and that this incompatibility makes sentences like The horse raced past the barn fell unacceptable. In support of their hypotheses, the authors show that reduced relatives of The horse raced past the barn fell type occur in naturally produced sentences with a near-zero probability, whereas reduced relatives with other verbs occur with a probability of about 1 in 20. The authors also support the hypotheses with a number of psycholinguistic experiments and corpus studies.  相似文献   
169.
It has been proposed that speech is specified by the eye, the ear, and even the skin. Kuhl and Meltzoff (1984) showed that 4-month-olds could lip-read to an extent. Given the age of the infants, it was not clear whether this was a learned skill or a by-product of the primary auditory process. This paper presents evidence that neonate infants (less than 33 h) show virtually identical patterns of intermodal interaction as do 4-month-olds. Since they are neonates, it is unlikely that learning was involved. The results indicate that human speech is specified by both eye and ear at an age when built-in structural sensitivities provide the most plausible explanation.  相似文献   
170.
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