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531.
Halpern (1998) proposed a four-component model for promoting the transfer of critical thinking. One of them, the "structural component," focuses on how to organize teaching so that critical thinking skills can be generalized. Here, we assess the efficiency of that type of organization. Thus, one group of university students received instruction following the suggestions specified in that component and their performance was compared with that of other university students who received instruction in the same skills but using a different procedure, and with that of a control group. In comparison with the control group, the performance of both instructed groups was better after training. However, no significant differences were observed between either instruction group; both forms of instruction afforded very similar results. 相似文献
532.
DYNAMICS OF CHOICE: RELATIVE RATE AND AMOUNT AFFECT LOCAL PREFERENCE AT THREE DIFFERENT TIME SCALES
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Carlos F. Aparicio William M. Baum 《Journal of the experimental analysis of behavior》2009,91(3):293-317
To examine extended control over local choice, the present study investigated preference in transition as food‐rate ratio provided by two levers changed across seven components within daily sessions, and food‐amount ratio changed across phases. Phase 1 arranged a food‐amount ratio of 4:1 (i.e., the left lever delivered four pellets and the right lever one pellet); Phase 2 reversed the food‐amount ratio to 1:4, and in Phase 3 the food‐amount ratio was 3:2. At a relatively extended time scale, preference was described well by a linear relation between log response ratio and log rate ratio (the generalized matching law). A small amount of carryover occurred from one rate ratio to the next but disappeared after four food deliveries. Estimates of sensitivity to food‐amount ratio were around 1.0 and were independent of rate ratio. Analysis across food deliveries within rate‐ratio components showed that the effect of a small amount was diminished by the presence of a large amount—that is, when a larger amount was present in the situation (three or four pellets), the value of a small amount (one or two pellets) became paltry. More local analysis of visits to the levers between food deliveries showed that postfood visits following a large amount were disproportionately longer than following a small amount. Continuing food deliveries from the same source tended to make visits less dependent on relative amount, but a discontinuation (i.e., food from the other lever) reinstated dependence on relative amount. Analysis at a still smaller time scale revealed preference pulses following food deliveries that confirmed the tendency toward dependence on absolute amount with continuing deliveries, and toward dependence on relative amount following discontinuations. A mathematical model based on a linear‐operator equation accounts for many of the results. The larger and longer preference following a switch to a larger amount is consistent with the idea that local preference depends on relatively extended variables even on short time scales. 相似文献
533.
José Carlos Sánchez José Carlos Loredo 《Integrative psychological & behavioral science》2009,43(4):332-349
In this paper, we propose a critical classification of contemporary constructivist orientations. Our fundamental theoretical
reference is the notion of genesis, understood as the construction of reality in a way that is neither relativist nor positivist-realist.
We identify a nucleus of classic, genetic constructivism that revolves around the ideas of Baldwin, Piaget and Vygotsky and
discuss two tendencies that distort the spirit of that nucleus: objectivism and subjectivism. Objectivism rules out the psychological,
constructive activity of the subject, subordinating (or just reducing) it to objective structures either from nature (like
genetic endowment or neural functioning), or from culture (like language or social practices). Subjectivism completely detaches
the objectivity of knowledge from its construction on the part of the subject, reducing it to the mere product of individual
interest, view, or irrationality. Thus, subjectivism is the non-constructive way to conceive the subject. Then, we attempt
to show the dialectics that exists between these two tendencies and the scope of our criteria by analysing a representative
(non exhaustive) group of authors who are defined as constructivists or who bring important elements to the debate about constructivism. 相似文献
534.
Madhubalan Viswanathan Carlos J. Torelli Lan Xia Roland Gau 《Journal of Consumer Psychology》2009,19(3):389-402
This research examines the relationship between literacy and consumer memory. The effects of a variety of stimuli at exposure (i.e., brand names, brand signatures, and products in usage) on memory (i.e., recognition, stem-completion tasks) were examined for a range of literacy. In a series of experiments, we find that the use of pictorial representations of brands (i.e., brand signatures) results in superior brand memory for individuals with lower literacy levels when compared to those at higher literacy levels. This effect is shown to occur not due to pictorial elements per se, but due to pictorial elements with a 1-to-1 correspondence with reality, i.e., which match the form in which they were originally encoded in memory. Moreover, this effect does not persist with stimulus-rich pictures of brands in usage, pointing to boundary conditions with the use of pictorial information. 相似文献
535.
April Ruiz Juan Carlos Gómez Jean Jacques Roeder Richard W. Byrne 《Animal cognition》2009,12(3):427-434
Although primates have often been found to co-orient visually with other individuals, members of these same species have usually failed to use co-orientation to find hidden food in object-choice experiments. This presents an evolutionary puzzle: what is the function of co-orientation if it is not used for a function as basic as locating resources? Co-orientation responses have not been systematically investigated in object-choice experiments, and requiring co-orientation with humans (as is typical in object-choice tasks) may underestimate other species’ abilities. Using an object-choice task with conspecific models depicted in photographs, we provide experimental evidence that two lemur species (Eulemur fulvus, n = 4, and Eulemur macaco, n = 2) co-orient with conspecifics. Secondly, by analysing together two measures that have traditionally been examined separately, we show that lemurs’ gaze following behaviour and ultimate choice are closely linked. Individuals were more likely to choose correctly after having looked in the same direction as the model, and thus chose objects correctly more often than chance. We propose a candidate system for the evolutionary origins of more complex gaze following: ‘gaze priming.’ 相似文献
536.
OBJECTIVE: It is important to find ways to predict response to treatments as this may inform treatment planning. We examined rapid response in obese patients with binge eating disorder (BED) who participated in a randomized placebo-controlled study of orlistat administered with cognitive behavioral therapy delivered by guided self-help (CBTgsh) format. METHODS: Fifty patients were randomly assigned to 12-week treatments of either orlistat+CBTgsh or placebo+CBTgsh, and were followed in double-blind fashion for 3 months after treatment discontinuation. Rapid response, defined as 70% or greater reduction in binge eating by the fourth treatment week, was determined by receiver operating characteristic curves, and was then used to predict outcomes. RESULTS: Rapid response characterized 42% of participants, was unrelated to participants' demographic features and most baseline characteristics, and was unrelated to attrition from treatment. Participants with rapid response were more likely to achieve binge eating remission and 5% weight loss. If rapid response occurred, the level of improvement was sustained during the remaining course of treatment and the 3-month period after treatment. Participants without rapid response showed a subsequent pattern of continued improvement. CONCLUSION: Rapid response demonstrated the same prognostic significance and time course for CBTgsh as previously documented for individual CBT. Among rapid responders, improvements were well sustained, and among non-rapid responders, continuing with CBTgsh (regardless of medication) led to subsequent improvements. 相似文献
537.
This study compared the Spanish language questionnaire (S-EDE-Q) and interview (S-EDE) versions of the Eating Disorder Examination and examined the short-term test-retest reliability of the questionnaire version. Seventy-seven monolingual Spanish-speaking Latina women recruited from the community completed the S-EDE-Q and were then administered the S-EDE by fully bilingual doctoral-level research clinicians. The same assessment was repeated after approximately one week (5-14 days). The S-EDE-Q and the S-EDE were significantly correlated on frequencies of binge eating and all four subscales. Mean differences in the frequency of binge eating and the Restraint subscale were not significant, but scores on the Eating Concern, Weight Concern, and Shape Concern subscales differed significantly, with the S-EDE-Q yielding higher scores. Test-retest reliability for the S-EDE-Q was modest for binge eating but was excellent for the subscales (Spearman rho ranged 0.71-0.81), albeit somewhat variable for the individual items. Overall, the acceptable convergence between the S-EDE-Q and the S-EDE for many features of eating disorders and the good short-term test-retest findings provide preliminary support for the use of the S-EDE-Q. These findings, derived using a non-clinical sample of monolingual Spanish-speaking Latina women, require replication and extension. Evaluation with a clinical sample is necessary to further establish the reliability of the S-EDE-Q with an eating disordered group. 相似文献
538.
Cornejol C Simonetti F Aldunate N Ibáñez A López V Melloni L 《Journal of psycholinguistic research》2007,36(6):411-430
We explore the hypothesis that induction of holistic or analytic strategies influences comprehension and processing of highly
contextualized expressions of ordinary language, such as irony. Twenty undergraduate students were asked to categorize as
coherent or incoherent a group of sentences. Each sentence completed a previous story, so that they could be ironical, literal
or nonsensical endings. Participants were asked to evaluate whether each sentence was coherent or incoherent. Half of them
were initially instructed to consider whether the sentences made sense (holistic condition); the other half were instructed
to consider whether the sentences were congruent or incongruent (analytic condition). Behavioral responses and Event Related
Potentials were registered during the experiment. Both behavioral and electrophysiological results allow clearly distinguishing
between the holistic and the analytic strategies. The fact that the same set of stimuli elicits different ERP waveforms, depending
on the strategy with which they are analyzed, suggests that different cognitive processes and different areas of the brain
are operating in each case. 相似文献
539.
Psychological treatment of eating disorders 总被引:1,自引:0,他引:1
Significant progress has been achieved in the development and evaluation of evidence-based psychological treatments for eating disorders over the past 25 years. Cognitive behavioral therapy is currently the treatment of choice for bulimia nervosa and binge-eating disorder, and existing evidence supports the use of a specific form of family therapy for adolescents with anorexia nervosa. Important challenges remain. Even the most effective interventions for bulimia nervosa and binge-eating disorder fail to help a substantial number of patients. A priority must be the extension and adaptation of these treatments to a broader range of eating disorders (eating disorder not otherwise specified), to adolescents, who have been largely overlooked in clinical research, and to chronic, treatment-resistant cases of anorexia nervosa. The article highlights current conceptual and clinical innovations designed to improve on existing therapeutic efficacy. The problems of increasing the dissemination of evidence-based treatments that are unavailable in most clinical service settings are discussed. 相似文献
540.
Despite the fact that negative self-evaluations are widely considered to be prominent in eating disorders, the role of self-criticism has received little empirical attention. The vast majority of research on the construct of self-criticism has focused on its role as a specific personality vulnerability factor in depression-related phenomena. In this study of 236 patients with binge eating disorder, confirmatory factor analysis supported self-criticism, self-esteem, depressive symptoms, and over-evaluation of shape and weight as distinct, albeit related, constructs. Structural equation modeling demonstrated that the relation between self-criticism and over-evaluation of shape and weight was partly mediated or explained by low self-esteem and depressive symptoms. Continued efforts to understand the role of self-criticism in eating disorders appear warranted. 相似文献