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231.
232.
Manktelow and Over (1991) argue that their studies of Wason's selection task favor explanations of deontic reasoning based on mental models, but that such theories need to incorporate utilities. This theoretical note proposes a simpler explanation of the phenomena: subjects in the selection task consider only those cards that are explicitly represented in their models of the conditional, and so insight into the task depends on constructing fully explicit models. Such models for modal conditionals of the form, If p occurs then q may occur are: [formula: see text] Each line denotes a separate model, and the models represent either what is possible, or, in the deontic interpretation, what is permissible. A deontic rule is accordingly violated by the contingency: [symbol: see text] p and q, for example the rule, "If you spend more than 100 pounds, then you may take a free gift" is violated by taking the free gift (q) but not spending more than 100 pounds ([symbol: see text] p). If the rule is interpreted as a bi-conditional, then the second of the models, p and [symbol: see text] q, is also now a violation, for example spending more than 100 pounds (p) but not getting the free gift ([symbol: see text] q). Manktelow and Over's instructions lead subjects to focus on one or other of the two sorts of violations of the rule. There is accordingly no need to introduce utilities into models in order to explain the phenomena. 相似文献
233.
Propositional reasoning by model. 总被引:9,自引:0,他引:9
This article describes a new theory of propositional reasoning, that is, deductions depending on if, or, and, and not. The theory proposes that reasoning is a semantic process based on mental models. It assumes that people are able to maintain models of only a limited number of alternative states of affairs, and they accordingly use models representing as much information as possible in an implicit way. They represent a disjunctive proposition, such as "There is a circle or there is a triangle," by imagining initially 2 alternative possibilities: one in which there is a circle and the other in which there is a triangle. This representation can, if necessary, be fleshed out to yield an explicit representation of an exclusive or an inclusive disjunction. The theory elucidates all the robust phenomena of propositional reasoning. It also makes several novel predictions, which were corroborated by the results of 4 experiments. 相似文献
234.
Student subjects were given the task of writing down the spellings of a series of words (many of them homophones) presented auditorily. Some of the homophones had a negative and neutral interpretation, whereas others had a positive and neutral interpretation. Subjects low in trait anxiety (high extraversion, low neuroticism) produced more positive homophone interpretations than did those low in positive affectivity; this constitutes a positive interpretive bias. Subjects very high in negative affectivity (in terms of trait anxiety) produced more negative homophone interpretations than did those lower in trait anxiety; this constitutes a negative interpretive bias. Theoretical implications of these biases were discussed. 相似文献
235.
236.
Bert S Moore Reuben M Baron David U Byrne 《Journal of experimental child psychology》1980,29(3):519-528
It was demonstrated that variations in the informativeness of a social stimulus place important limitations on the generality of the proposition that deprivation heightens, while satiation lowers, responsiveness to a social stimulus. Using 60 children 5 to 6 years of age as subjects, a social stimulus (“good”) was presented at either a high or a low frequency in one of three information-value contexts (high, medium, or low). Immediately following the exposure treatment the same social stimulus was employed as a reinforcer of nonpreferred responses in a two-choice discrimination learning task. The findings indicated that the heightened efficacy of deprivation relative to satiation only held for low information value; when initial information value was high the subsequent efficacy of a social stimulus was enhanced by its initial recurrent usage. Trend analyses revealed that the effects of variations in information value were strongest within the high-frequency-of-praise treatment. Possible mechanisms underlying the significant Information Value × Frequency interaction were discussed. 相似文献
237.
238.
In two experiments a group (N=15) of poor beginning readers and of good readers (N=15) were auditorily presented with continuous item lists. The children were asked to indicate whether each item had occurred previously in the list. In Experiment 1, using real words, later items were related either semantically or as rhymes to earlier ones. False positives to each item type were taken as indices of memory coding and showed that good readers encoded both semantic and surface aspects of items. In contrast, poor readers made a large number of meaning-based confusions (saying “old” tohouse whenhome had been presented earlier) but almost none based on rhyme (home/comb confusions). In a second experiment, with phonetically legal nonwords as items, poor readers made a significant number of phonetic false positives, although the good reader controls made more. The results are interpreted as confirming that poor readers are relatively insensitive to surface features of language but that this weakness is most marked when sound and meaning are both available as memory codes. 相似文献
239.
Chloe García-Poole Sonia Byrne María José Rodrigo 《European Journal of Developmental Psychology》2018,15(5):531-547
Revealing how health-related lifestyle behaviors are associated with competences during adolescence can contribute to understanding the complexity of factors that intervene in adolescents’ health. The objectives of this study were to explore the clustering of different lifestyle behaviors and their connection to personal and community competence. Participants were 795 adolescents who were taking part in the initial assessment of a Spanish community-based intervention program. They were asked to complete four self-report measures: the Lifestyle Questionnaire, the Self-Concept and Social Realization Questionnaire, the Coping Scale for Children and Youth Questionnaire, and the Perceived Community Support Questionnaire. Cluster analysis was then used to discover different patterns of lifestyle behaviors and associate them with sociodemographic and competence factors. The cluster analysis revealed three groups of adolescents: a first group that presented all-round healthy habits, a second group with abusive screen use and a third group with unhealthy habits related to going out at night. These clusters were modulated by age, student status, psychosocial risk status and mothers’ level of education. Further analysis showed higher levels of Self-worth, Task-oriented strategy, Empathy and Community participation in the Healthy group compared to those in the Unhealthy group, whereas the Screen-user group had more Behavioral avoidance than the Healthy group and less Community integration than both of the other groups. The identification of personal and community competences as health-promoting factors associated with adolescents’ lifestyles may help professionals to prioritize certain strengths for best results in intervention programs. 相似文献
240.
A. Janet Tomiyama Ashley Moskovich Kate Byrne Haltom Tiffany Ju Traci Mann 《Psychological science》2009,20(10):1275-1281
ABSTRACT— Previous research, restricted to the laboratory, has found that restrained eaters overeat after they violate their diet. However, there has been no evidence showing that this same process occurs outside the lab. We hypothesized that outside of this artificial setting, restrained eaters would be able to control their eating. In Study 1 , 127 participants reported hourly on their diet violations and eating over 2 days. In Study 2 , 89 participants tracked their intake for 8 days, and 50 of these participants consumed a milk shake (a diet violation) on Day 7, as part of an ostensibly unrelated study. As hypothesized, dieters did not overeat following violations of their diet in either study. These findings are in contrast with those of previous lab studies and dispel the widely held belief that diet violations lead to overeating in everyday life. 相似文献