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1.
This study examined an observation in which children outscored adults on a series of test questions, which included unusual items such as, "Do you see with your ears?" We assumed that the adults were treating the questions metaphorically because the literally correct answer was so obvious, an assumption consistent with Grice's theory. In Study 1, we tested this assumption by manipulating pretest and test items so as to suggest, or not suggest, a metaphorical or factual response. In Study 2, we used a similar manipulation involving the order of questions of various sorts and we more directly tested the Gricean hypothesis by giving college students a reason to treat the question literally. The results replicated the previous finding in which college students' scores were lower than those of children, and the condition effects suggested that the college students' performance was due to their responding metaphorically.  相似文献   

2.
This study aims to assess age differences between Judgments-of-learning (JOLs) and Feeling-of-knowing (FOKs) as they are typically studied. The novel contribution of the present study is a comparison between these two metacognitive judgments in a within subject design. Young and older adults were tested on their JOL accuracy and were asked to predict future recall during learning. All participants were also asked to predict future recognition of unrecalled items (FOK judgments). Results showed that although older adults had similar low levels of memory performance in the JOL task and in the FOK task, metacognitive impairments were only found on the resolution of FOKs. Furthermore, an analysis of covariance showed that age differences on memory performance explained the age effect observed on the FOK, thus supporting the memory constraint hypothesis (Hertzog et al., 2010). Results are discussed in relation to contemporary models of memory.  相似文献   

3.
Practicing counselors may interpret ethical obligations differently according to their work settings. These differences are related to: (a) the relative strength of the professional identification of counselors in various settings, and (b) differences in the support for or pressures against ethical practice in different settings. This article focuses on one of the problems related to the nature of the client population and the counseling setting: What rights of confidentiality do minors have against disclosure to their parents?  相似文献   

4.
Baseline assessments of 4 to 8-year-old children, 26 girls and 101 boys, referred to outpatient treatment for disruptive behaviors, were examined, focusing on possible differences between the functioning of boys and girls and their families. Child variables included diagnostic information, measures of disruptive behaviors, social competence, and independent observations of child behaviors. A variety of family variables, such as information regarding parenting practices, parental stress, and depression were included. Teacher reports of disruptive behaviors and social competence at school were included. Teacher ratings of child functioning indicated that boys displayed significantly more externalizing behaviors and they were less socially competent than girls. Parents perceived both girls and boys as highly oppositional and aggressive, and generally speaking, differences were few. Nevertheless, the level of stress was higher in girls' than in boys' families, and mothers of girls reported of higher levels of depressive symptoms. Girls and boys did not differ regarding diagnostic status.  相似文献   

5.
This study tests whether the effectiveness of implementation intention-based interventions to increase fruit and vegetable intake in a young adult population can be enhanced using additional pre-intervention instructions and alternative formats; namely, an ‘if-then’ implementation intention versus a more general, ‘global’ plan that does not explicitly link a situational cue with a goal-directed response. Participants (N?=?557) completed pre-test measures of planning, motivation and behaviour with respect to increasing their fruit and vegetable intake before being randomised to a 3 (intervention format: control vs. ‘if-then’ vs. ‘global’ implementation intentions)?×?2 (pre-intervention instruction vs. no pre-intervention instruction) between-participants design. Results revealed a significant intervention format by time interaction, such that intake significantly increased by 0.50 portions in the if-then format condition compared with 0.31 in the global format and 0.01 in the control condition. These results suggest that ‘if-then’ manipulations are superior in promoting behaviour change in an applied setting. The use of pre-intervention instructions had no additional effect on behaviour, providing evidence for the efficacy of implementation intentions even when experimenter demand is reduced. Evidence is also presented to suggest that reported increases in intake are not related to demand characteristics.  相似文献   

6.
When asked to describe a courageous action they have taken personally, people overwhelmingly describe an action with a successful outcome (Pury, Kowalski, & Spearman, 2007 Lopez, SJ, O’Byrne, KK and Peterson, S. 2003. “Profiling courage.”. In Positive psychological assessment: A handbook of models and measures, Edited by: Lopez, SJ and Snyder, CR. 185197. Washington, DC: American Psychological Association. [Crossref] [Google Scholar]). Study 1 replicated these findings in observations of other people. Fifty participants described a courageous action taken by another person and made parallel ratings to Pury et al. Participants in Study 1 also described actions with overwhelmingly successful outcomes. In Study 2, 152 participants rated otherwise identical scenarios differing in success of outcome and attribution (internal vs. external) for outcome. Successful actions were rated as more courageous than unsuccessful outcomes, although this effect was attenuated for external attributions. Thus, we suggest that successful outcome is an unarticulated part of implicit theories of courage.  相似文献   

7.
The use of virtual reality (VR) has become increasingly popular in the field of traffic psychology, where realistic traffic situations can be simulated and pedestrians‘ actual crossing behavior can be studied. There are two main kinds of pedestrian simulators: one uses a technology based on rear-projection screens (Cave Automatic Virtual Environment, or CAVE); the other uses a head-mounted display (HMD). Despite their extensive use, it is yet to determine whether they are equally suitable for studying street crossing. The present study was aimed at comparing street-crossing behavior and subjective evaluations in an HMD-based (HTC vive pro) pedestrian simulator and a CAVE-like pedestrian simulator, among young adults and 12-year-old children. Thirty young adults and twenty-six children performed 36 street-crossing trials (combining different speeds, traffic conditions, and gap sizes) on each of the two simulators. The results indicated that, compared to the CAVE-condition participants, HMD-condition participants accepted more crossing trials (hence, shorter gaps), initiated their crossings sooner, crossed at a slower speed, had shorter safety margins, and caused more collisions. The main difference between the two devices was in crossing initiation, which occurred markedly earlier (1.72 s) with the HMD than in the CAVE: the perception–action coupling was less finely tuned in the CAVE, probably because visual information in front of the pedestrian was missing due the absence of ground projection and 3D rendering. A significant effect of vehicle-approach speed was observed for both devices, with more unsafe behaviors at 60 km/h than at 40 km/h. Children displayed riskier crossing behavior than young adults did, with more accepted crossings, slower crossing speeds, shorter safety margins, and higher collision rates, especially in the HMD. Compared to the CAVE, the HMD received higher ratings for level of presence and a preference for VR, but also higher simulator-sickness scores. No adverse effects of exposure to virtual reality was found on stereoacuity or postural balance. The suitability of using CAVE and HMD simulators is discussed, especially for studying child pedestrians.  相似文献   

8.
Source memory has consistently been associated with prefrontal function in both normal and clinical populations. Nevertheless, the exact contribution of this brain region to source memory remains uncertain, and evidence suggests that processes used by young and older adults may differ. The authors explored the extent to which scores on composite measures of neuropsychological tests of frontal and medial temporal function differentially predicted the performance of young and older adults on source memory tasks. Results indicated that a frontal composite measure, consistently associated with source memory performance in older adults, was unrelated to source memory in young adults, although it was sensitive to a demanding working memory task. The memory composite score, however, predicted performance in the young group. In addition, item and source memory were correlated in young but not older people. Findings are discussed in terms of age-related differences in working memory and executive functions, and differential binding processes necessary for item and source memory. The requirement to integrate item and source information at encoding appears to place greater demands on executive or working memory processes in older adults than in younger adults.  相似文献   

9.
The effects of gender-relevant facial features and hairstyles on discrimination of sex of photographed men and women were examined. The stimuli were 36 photographs of natural faces: 9 masculine-males, 9 feminine-males, 9 masculine-females, and 9 feminine-females. Each of the nine faces had one of three hairstyles, hair concealed, short hair, or long hair. 33 children (M age=5:10) and 28 adults were asked to identify the sex of each stimulus. Children had difficulties with cross-gender faces and cross-gender hairstyles, such as a feminine-male face with long hair. Adults' discriminations were accurate except for masculine-female faces, while children's decisions depended both on hairstyle and internal facial features. Children's discriminations might be based both on their perceptual skill in detecting critical visual features and their knowledge of men and women.  相似文献   

10.
Understanding how responses become prepotent is essential for understanding when inhibitory control is needed in everyday behavior. The authors investigated the conditions under which manual actions became prepotent in a go/no-go task. Children had to open boxes that contained stickers on go trials and leave shut boxes that were empty on no-go trials. In Experiment 1 (n = 40, mean age = 3.6 years), the authors obtained evidence consistent with this task requiring inhibitory control. Results of Experiment 2 (n = 40, mean age = 3.7 years) suggested that box opening was prepotent because (a) opening is the habitual action associated with boxes and (b) children planned to open boxes on go trials of the task. Experiment 3 (n = 96, mean age = 3.5 years) showed that even empty boxes elicited the same errors and that delaying responding reduced errors even though the delay occurred before the cue that indicated the correct response (contrary to a rule reflection account). Because the delay occurred after box presentation, performance was consistent with a transient activation account. Delay training might benefit children with weak inhibition.  相似文献   

11.
Goal-directed behavior is characterized by the anticipation of the resulting effect during response selection. Such anticipations can be contextualized in the sense that response–effect relationships in one stimulus context are inverted in another stimulus context. The primary study aim was to test the hypothesis that contextualized effect anticipation might depend on whether subjects adopt either an effect-based action control style or a stimulus-based control style. Importantly, we hypothesized that the choice of control styles depends on explicit instruction. Effect anticipation during response selection was determined by assessing the behavioral impact of spatial compatibility between the required response and an additional task-irrelevant spatial feature attached to the anticipated effect that would be produced by that response in a given context. In two experiments we found a compatibility effect exclusively in blocks with effect-based instruction but not in stimulus-based blocks. Furthermore, subjects could quickly switch between styles without one strategy dominating the others. Together, this shows that contextualized anticipation of distal visual effects is not an automatic process but depends on the intention to produce an effect.  相似文献   

12.
Four experiments were conducted in order to examine effects of notation--Arabic and verbal numbers--on relevant and irrelevant numerical processing. In Experiment 1, notation interacted with the numerical distance effect, and irrelevant physical size affected numerical processing (i.e., size congruity effect) for both notations but to a lesser degree for verbal numbers. In contrast, size congruity had no effect when verbal numbers were the irrelevant dimension. In Experiments 2 and 3, different parameters that could possibly affect the results, such as discriminability and variability (Experiment 2) and the block design (Experiment 3), were controlled. The results replicated the effects obtained in Experiment 1. In Experiment 4, in which physical size was made more difficult to process, size congruity for irrelevant verbal numbers was observed. The present results imply that notation affects numerical processing and that Arabic and verbal numbers are represented separately, and thus it is suggested that current models of numerical processing should have separate comparison mechanisms for verbal and Arabic numbers.  相似文献   

13.
We investigated how 9-year-olds and young adults performed a working memory task under different difficulty conditions while walking on a treadmill. Stride-length and stride-time variability tended to decrease with cognitive load in young adults, whereas children showed an increase in walking variability when cognitive load was very high. Participants in both age groups improved their cognitive performance when walking at their preferred speed as opposed to sitting or walking at a fixed, non-preferred speed. We conclude that the interaction of walking and cognitive performance is influenced by sharing resources between two tasks, and that performance improvements in cognition may be caused by an exercise-induced activation of resources.  相似文献   

14.
ABSTRACT

Call generalism about children’s and adults’ wellbeing the thesis that the same theory of wellbeing applies to both children and adults. Our goal is to examine whether generalism is true. While this question has not received much attention in the past, it has recently been suggested that generalism is likely to be false and that we need to elaborate different theories of children’s and adults’ wellbeing. In this paper, we defend generalism against the main objections it faces and make a positive case for it.  相似文献   

15.
This study deals with the comprehension of direct and nonconventional indirect directives by children 3 to 6 years old. It refers to both the philosophies of language and the psychological theories that favor the social and cognitive factors of language acquisition. Twenty-four 3- and 4-year-old children and twenty-four 5- and 6-year-old children performed a story completion task presented in the form of comic strips. The variables studied were children's age. linguistic nature of the utterance (direct or nonconventional indirect directives), and strength of the production context (strong or weak context). The results were (a) in contrast to most other studies, direct directives were better understood than indirect directives: (b) the comprehension of both indirect and direct directives depended on the production context of utterance; (c) 5- and 6-year-old children performed better than 3- and 4-year-old children. The detailed results are discussed in terms of types of comprchension of directives linked to comprehension of the speaker's intention.  相似文献   

16.
《Cognitive psychology》1984,16(1):65-93
An analysis is presented of the relational information needed for premise integration in transitivity and simple serial order tasks. The tasks are divided into those where an ordering decision can be made by considering a single binary relation, and those where two binary relations must be considered. Four experiments are reported, the principal purpose of which is to manipulate the number of relations which must be considered in making decisions about the order of a small set of elements. In every test it was found that preschool children succeeded if decisions could be made by considering one relation, but failed if two relations had to be considered. Children over 5 almost always succeeded in both cases. It is concluded that preschool children cannot integrate relational premise information, and therefore cannot understand transitivity or serial order. This would impose limitations on their understanding of quantification and a number of other concepts. It is also suggested that the amount of information required to make a single decision may be an important factor determining cognitive complexity generally.  相似文献   

17.
Study designA prospective, observational study.ObjectivesTo assess the attentional demands of using haptic modalities during walking using a multi-task paradigm in young, healthy adults.SettingBiomechanics of Balance and Movement (BBAM) Lab, University of Saskatchewan.MethodsTwenty-two (12 male) young, healthy adults performed walking trials with and without a verbal reaction time (VRT) task, as well as with and without the use of haptic anchors and light touch on a railing. Walking performance was evaluated using normalized stride velocity and step width, and dynamic stability was evaluated using step width variability and medial-lateral margin of stability (ML MOS) and its variability.ResultsThere were no significant differences in VRT when walking with and without added haptic input and no interactions between the added VRT task and added haptic input. Step width increased and variability of the ML MOS increased during trials with the VRT task compared to trials without the VRT task. The ML MOS decreased when using both haptic tools with a greater decrease when using light touch on the railing compared to when using the haptic anchors. Normalized stride velocity and step width decreased when using light touch on the railing only.ConclusionBoth haptic tools affected stability during walking. Using the railing to add haptic input had a greater effect on walking stability and was the only haptic tool to affect walking performance. Attentional demands should be considered in future research and applications of adding haptic input during walking.  相似文献   

18.
A series of four-dimensional, discrimination-learning problems were presented to second-, sixth-, eighth-, and twelfth-grade students (ages 7, 11, 13, and 17 years, respectively). One pretraining problem, using different dimensions, preceded the four experimental problems; these employed identical dimensions and stimulus values. Solutions were selected without dimensional replacement.Blank-trial probes enabled detection of initial predictions. Results clearly indicated that (1) older subjects made dramatically fewer intradimensional predictions (utilizing the solution dimension from the preceding problem) than did younger subjects, (2) all age groups demonstrated systematic changes over problems; these reflected the specific solution sequence experienced, and (3) there were consistent developmental differences in the speed with which subjects noted and utilized regularities across problems.The pattern of data is not congruent with the expectations of mediation theory. However, it is in accord with the transfer hypothesis, which is a recent extension of hypothesis theory. The transfer hypothesis provides a theoretical framework which suggests when we should observe “mediational” behavior (i.e., intradimensional transfer) and when to expect the inverse.  相似文献   

19.
The ability to encode, retain, and implement instructions within working memory is central to many behaviours, including classroom activities which underpin learning. The three experiments presented here explored how action—planned, enacted, and observed—impacted 6- to 10-year-old’s ability to follow instructions. Experiment 1 (N = 81) found enacted recall was superior to verbal recall, but self-enactment at encoding had a negative effect on enacted recall and verbal recall. In contrast, observation of other-enactment (demonstration) at encoding facilitated both types of recall (Experiment 2a: N = 81). Further, reducing task demands through a reduced set of possible actions (Experiment 2b; N = 64) led to a positive effect of self-enactment at encoding for later recall (both verbal and enacted). Expecting to enact at recall may lead to the creation of an imaginal spatial-motoric plan at encoding that boosts later recall. However, children’s ability to use the additional spatial-motoric codes generated via self-enactment at encoding depends on the demands the task places on central executive resources. Demonstration at encoding appears to reduce executive demands and enable use of these additional forms of coding.  相似文献   

20.
The aim of this research is to compare the types and functions of repetitions in two different corpora, one constituted of verbal interactions between adults and multiply-handicapped adolescents, the other between adults and young children of the same mental age as the adolescents. Our overall aim is to observe whether the communicative (linguistic and pragmatic) behaviour of adults varies according to the interlocutor and, if it does vary, in what ways. The main results show that adults do not use repetition strategy with the same aims according to the interlocutor. When interacting with a child, repetitions form part of a strategy of linguistic ‘tutoring’ which allow the child to take on board progressively more complex linguistic constructions; it also enriches exchanges from a pragmatic point of view. On the other hand, when adults communicate with multiply-handicapped adolescents, their main aim is the maintaining of dialogue.  相似文献   

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