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271.
I argue that the roots of an adequate integration of evolution into psychology are not to be found in evolutionary psychology, but rather in evolutionary developmental biology (evo–devo). To this end, I provide an overview of evo–devo and explore the limited role that behavioral sciences have played in its genesis. I then motivate an evo–devo approach to psychobiology, and sketch desiderata for the success of this enterprise. In particular, I elucidate what it means to take both development and evolution seriously, and argue for the primacy of developmental analysis in the exploration of (human) behavior and its evolution. 相似文献
272.
Susan A. Brown Viswanath Venkatesh Jason Kuruzovich Anne P. Massey 《Organizational behavior and human decision processes》2008
We discuss three theoretical models from met expectations research in the fields of organizational behavior and consumer psychology. Based on the fundamental arguments in the models, we term these models: disconfirmation, ideal point, and experiences only. We present three-dimensional graphical and analytical representations of the models, with satisfaction being a function of expectations and experiences. We tested the models in the context of a new information system implementation in an organization, with expectations, experiences, and system satisfaction measured for both ease of use and usefulness, the focal constructs of the Technology Acceptance Model (TAM). We found that an experiences only model in which expectations had no measurable effect best explained the data for ease of use. The results for usefulness indicated a modified version of the experiences only model in which the positive effect of experiences becomes slightly stronger—i.e., more positive—as expectations increase. 相似文献
273.
Three studies examined whether 3- and 4-year olds would trust a reliable speaker over an unreliable speaker when learning a new word and whether that trust would be reversed, and the word mapping revised, when a trusted speaker later proved unreliable. Study 1 indicated that 3- and 4-year olds trusted a reliable speaker over an unreliable speaker. Study 2 indicated that some 4-year olds reversed trust and revised a word mapping when a trusted speaker later proved unreliable. Study 3 indicated that those 4-year olds who reversed trust and revised the word mapping were likely to maintain the revision and tended to favor the previously reliable speaker over time. These results are discussed in terms of the role of speaker reliability in young children's word learning. 相似文献
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276.
In many developing countries persons living with HIV and AIDS experience strong stigma and discrimination, and AIDS-related stigma has an enormous negative impact on their social relationships, access to resources, and psychological well being. Moreover, AIDS-related stigma hampers HIV-related health promotion, including voluntary HIV counselling and testing. In this article, we will argue that programs to reduce AIDS-related stigma are most likely to be effective if these programs are based upon thorough needs assessments, theory- and evidence-based intervention strategies and collaborative planning. A protocol for health promotion programs design is outlined. Furthermore, psychosocial correlates of AIDS-related stigma in developing countries, social-psychological theories that might be useful in designing intervention strategies to reduce stigmatisation and successful elements of previous interventions aimed at stigma reduction are discussed. It is concluded that psychological theory does provide guidelines for the development of stigma-reducing intervention programs, but that such programs can only be effective when based upon context-specific needs assessment and collaborative planning. 相似文献
277.
In two separate studies, sex differences in modal-specific elements of working memory were investigated by utilizing words and pictures as stimuli. Groups of men and women performed a free-recall task of words or pictures in which 20 items were presented concurrently and the number of correct items recalled was measured. Following stimulus presentation, half of the participants were presented a verbal-based distraction task. On the verbal working-memory task, performance of men and women was not significantly different in the no-distraction condition. However, in the distraction condition, women's recall was significantly lower than their performance in the no-distraction condition and men's performance in the distraction condition. These findings are consistent with previous research and point to sex differences in cognitive ability putatively resulting from functional neuroanatomical dissimilarities. On the visual working-memory task, women showed significantly greater recall than men. These findings are inconsistent with previous research and underscore the need for further research. 相似文献
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University undergraduates were pre-screened for blood fearfulness (fear of blood, n = 25), spider fearfulness (fear of spiders, n = 30), or non-fearfulness (n = 23) and presented with blood, spider, neutral, positive, and pseudoword (pronouncable nonword, like flirp) stimuli in a
lexical decision task (LDT). Use of the LDT in phobic individuals may provide insight about how these individuals process,
store, and ultimately use information and, in turn, how processing this information affects their day-to-day activities. Words
were responded to faster than pseudowords. No group main or interaction effects emerged, and all groups responded faster and
more accurately to spider words then blood words and neutral words. Results suggest that the single-word lexical decision
task may not be sensitive in detecting lexical processing biases toward threat in these groups. Results also suggest that
paradigms that are based on high-level, semantic-conceptual information processing (like lexical decision) are not sensitive
enough to detect group differences in blood and spider phobias. Any array of perceptual and conceptual tasks taken together
may be needed to detect these differences. 相似文献