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排序方式: 共有161条查询结果,搜索用时 15 毫秒
91.
92.
The dud-alternative effect in likelihood judgment   总被引:1,自引:0,他引:1  
The judged likelihood of a focal outcome should generally decrease as the list of alternative possibilities increases. For example, the likelihood that a runner will win a race goes down when 2 new entries are added to the field. However, 6 experiments demonstrate that the presence of implausible alternatives (duds) often increases the judged likelihood of a focal outcome. This dud-alternative effect was detected for judgments involving uncertainty about trivia facts and stochastic events. Nonnumeric likelihood measures and betting measures reliably detected the effect, but numeric likelihood measures did not. Time pressure increased the magnitude of the effect. The results were consistent with a contrast-effect account: The inclusion of duds increases the perceived strength of the evidence for the focal outcome, thereby affecting its judged likelihood.  相似文献   
93.
Next generation sequencing panels have revolutionized the diagnostic approach to patients with epilepsy. There are several commercial epilepsy panels available. We assessed the list of genes tested and consent forms for epilepsy panels available at seven laboratories. The panels varied in the number of genes included (70–465 genes). In some panels, genes not currently associated with epilepsy were included (up to 4 % of panel content). The panels also included genes for lysosomal storage disorders (6–12 %), congenital disorders of glycosylation (0–8.5 %), metabolic disorders (3.5–34 %), neurological syndromes (18–43 %) and multisystemic genetic syndromes (6.4–21 %). Informed consents differed significantly between laboratories ranging from basic information about genetic testing and possible results to information about insurance, genetic counseling and familial testing, and incidental findings.Our findings suggest that it is important to consider the range of genes offered on epilepsy panels and their predicted phenotypes in an effort toward improving the informed consent process.  相似文献   
94.
    
Adults are skilled at using language to construct/negotiate identity and to signal affiliation with others, but little is known about how these abilities develop in children. Clearly, children mirror statistical patterns in their local environment (e.g., Canadian children using zed instead of zee), but do they flexibly adapt their linguistic choices on the fly in response to the choices of different peers? To address this question, we examined the effect of group membership on 7- to 9-year-olds' labeling of objects in a trivia game, exploring whether they were more likely to use a particular label (e.g., sofa vs. couch) if members of their “team” also used that label. In a preregistered study, children (N = 72) were assigned to a team (red or green) and were asked during experimental trials to answer questions—which had multiple possible answers (e.g., blackboard or chalkboard)—after hearing two teammates and two opponents respond to the same question. Results showed that children were significantly more likely to produce labels less commonly used by the community (i.e., dispreferred labels) when their teammates had produced those labels. Crucially, this effect was tied to group membership, and could not be explained by children simply repeating the most recently used label. These findings demonstrate how social processes (i.e., group membership) can guide linguistic variation in children.  相似文献   
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A multiple-baseline design across tasks (i.e., word lists) was used to evaluate the effects of a computer-based sight-word reading intervention (CBSWRI) on the sight-word reading of a sixth-grade student with Autism. Across 3 lists of primer and first-grade Dolch words, the student showed immediate increases in sight-word reading after the CBSWRI was applied. As the student learned 25 words in 16 brief (i.e., 200 s) sessions, the efficiency and sustainability of the CBSWRI are discussed along with future research.  相似文献   
98.
Cantonese shape classifiers encode perceptual information that is characteristic of their associated nouns, although certain nouns are exceptional. For example, the classifier tiu occurs primarily with nouns for long-narrow-flexible objects (e.g., scarves, snakes, and ropes) and also occurs with the noun for a (short, rigid) key. In 3 experiments, we explored how the semantic information encoded in shape classifiers influences language comprehension. When judging the fit between classifiers and depicted objects in an explicit ranking task, Cantonese speakers evaluated classifier-noun pairings solely in terms of grammatical well-formedness and showed no separate sensitivity to the shape features of objects. In an eye-tracking task (Experiment 2), we also found little sensitivity to shape classifier semantics during real-time comprehension. However, in a subsequent experiment in which referent objects lacked the prototypical features for their accompanying classifiers (Experiment 3), an influence of shape semantics was found in participants' incidental fixations to nontarget objects. We conclude that shape classifiers influence referential interpretation primarily through their grammatical constraints, consistent with the agreementlike nature of classifiers in general. The role of shape classifiers' semantics on processing is apparent only in specific circumstances.  相似文献   
99.
Recent data has sparked renewed interest in behavioral treatments for depression; however several fundamental questions remain regarding the mechanisms of such approaches. To this end, the current study directly tested the assumption that non-clinical mildly depressed individuals receive less response-contingent positive reinforcement than non-depressed individuals, indicated by less engagement in behaviors perceived as rewarding in terms of both immediate pleasure and potential for these behaviors to result in more distal rewards. The data presented support this assumption and provide support for the role of reinforcement-based strategies such as behavioral activation in the treatment of depression.  相似文献   
100.
We investigated how preschoolers use their understanding of the actions available to a speaker to resolve referential ambiguity. In this study, 58 3- and 4-year-olds were presented with arrays of eight objects in a toy house and were instructed to retrieve various objects from the display. The trials varied in terms of whether the speaker's hands were empty or full when she requested an object as well as whether the request was ambiguous (i.e., more than one potential referent) or unambiguous (i.e., only one potential referent). Results demonstrated that both 3- and 4-year-olds were sensitive to speaker action constraints and used this information to guide on-line processing (as indexed by eye gaze measures) and to make explicit referential decisions.  相似文献   
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