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141.
Ian Q. Whishaw 《The Quarterly Journal of Experimental Psychology Section B: Comparative and Physiological Psychology》1991,43(1):83-103
Using a latent learning paradigm, the experiments examine two hypotheses of how rats solve place navigation tasks. According to associative theory, experience with all relevant cues is required for accurate navigation. According to cognitive mapping theory, animals can generate novel trajectories from knowledge of spatial relations of objects in the environment. Rats that had been placed on a platform, which was submerged in a pool of opaque water and was moved each day, were tested later for their ability to find the platform using only surrounding room cues. One 30-sec exposure to a platform location was effective in improving performance. Improvement was greatest when tests were given within minutes of placement, but facilitation was obtained for as long as 4 hr. Improved performance was obtained as soon as rats acquired the procedural aspects of the task but did not increase with subsequent practice. Improved performance was also obtained when pre-trained rats were tested in a novel environment. Despite the advantage conferred by exposure to the target platform, test swims were not accurate, placement-induced improvement was not as great as that following a single swimming trial, and placement combined with a swim resulted in best performance. The results suggest that rats use associative learning processes rather than cognitive mapping to solve place problems in a swimming pool. 相似文献
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143.
进化心理学观点认为两性冲突是一个性别达到最佳适应的过程被另一个性别所阻碍,其根本原因是两性繁衍成功的根本进化利益存在冲突。从进化心理学的角度,根据两性敌对性选择理论,两性冲突可以分为基因座内的两性冲突与基因座间的两性冲突,前者可由性选择理论解释,后者涉及到两性的适应与反适应以及在军备竞赛中的协同进化。而两性冲突缓和则可以由费舍尔模型与基因复制理论、性别二态性和一夫一妻制度解释。两性冲突及缓和也分别具有进化心理学的相关实证依据支持。未来两性冲突领域的研究需要提升研究方法的客观性及两性冲突特质的多样性,并关注两性冲突缓和的现实有效途径以及婚配制度与评估方式对繁衍成功的交互作用。 相似文献
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145.
Daniel J. Chiacchia Joana K. Q. Katter Lisa Fiksenbaum 《Anxiety, stress, and coping》2018,31(6):611-625
Background and objectives: The negative effects of the financial crisis of 2007/2008 are still being felt today as seen in the relatively high levels of youth unemployment in many countries. As a result, many young people experience high stress levels when facing an uncertain and precarious job market.Methods: Participants were 178 undergraduate students (79% female; Mage?=?20.00, SD?=?4.29) who were randomly assigned to read a news article that documented an uncertain financial future with limited job opportunities (the economic stress group), or an article that documented a tour of the Royal Canadian Mint (the control group). The role of self-compassion was explored in its relation to distress.Results: Correlational and hierarchical regression analyses indicated that, in the economic stress group, self-compassion negatively predicted anxiety above and beyond self-esteem and familial support. In the control group, however, self-compassion did not negatively predict anxiety above and beyond self-esteem and familial support. Additionally, structural equation modeling indicated that self-compassion was directly associated with lower anxiety and indirectly related to anxiety through perceptions of financial threat.Conclusions: These findings suggest that self-compassion may be an important resource that is associated with less distress during times of economic threat. 相似文献
146.
探索性因素分析决定因子抽取的方法主要有Bartlett法、K1原则、碎石检验法、Aaker原则、PA、MAP等六种,通过对样本1的395名大学生的学习过程问卷调查获得真实数据,运用这六种方法进行因素分析分别抽取7、4、2、4、3、2个因子;应用样本2的383名大学生的问卷调查数据进行验证性因素分析,结果显示,碎石检验方法与MAP方法抽取的二因素模型更理想。研究表明,因子抽取需兼顾“简约性原则”与“完备性原则”,同时要根据一定的理论建构、专业知识和经验来决定因子数。 相似文献
147.
Xiaopeng Du Mengchen Dong Dian Gu Zhiyong Xin Jiang Jiang Yan Sun 《International journal of psychology》2021,56(3):349-360
Names can play an important role in forming first impressions. While much of the literature has demonstrated how alphabet-based names influence impression formation, little is known about how character-based names (e.g., Chinese names) affect interpersonal trust. Across six studies, we demonstrated that a difficult-to-recognise Chinese name with less frequently used characters activated masculine perception, which in turn decreased trust in the name holder. The masculine inferences from difficult names were replicated across within-subjects (Study 1a and 1b) and between-subjects judgements and maintained irrespective of normative knowledge about difficult names as male names (Study 1c). The mediation of gender stereotypicality was manifested in both measured spontaneous gender inference (Study 2a and Study 2b) and manipulated gender information (Study 2c). The effects of recognisability on masculine and trust perceptions were independent of pronunciationability (Study 2b). This research extends previous research by revealing the implications of character-based names and pictographic language on the feeling-as-information theory, also in terms of interpersonal contexts. 相似文献
148.
Isoproterenol increases CREB phosphorylation and olfactory nerve-evoked potentials in normal and 5-HT-depleted olfactory bulbs in rat pups only at doses that produce odor preference learning 下载免费PDF全文
149.
Nicolas Guéguen 《Scandinavian journal of psychology》2015,56(6):637-640
Little research has examined the effect of women's hairstyles on people's behavior. In a field study, male and female passersby, walking alone in the street, were observed while walking behind a female‐confederate who dropped a glove and apparently was unaware of her loss. The confederate had long dark hair arranged in three different hairstyles: one with her hair falling naturally on her shoulders and her back, one with her hair tied in a ponytail, and one with her hair twisted in a bun. Results reported that the hairstyle had no effect on female passersby's helping behavior. However, it was found that the hairstyle influenced male passersby with men helping the confederate more readily when her hair fell naturally on her neck, shoulders and upper back. 相似文献
150.
以上海市6所高校的565名大学生作为被试,采用定量与定性相结合的方法,探讨不同年级、不同性别、文理科大学生的网络行为偏好.结果表明,在信息获得偏好得分上,文科生显著高于理科生,男、女生得分差异不显著,存在显著的年级与学科交互作用,随年级增加信息获得偏好得分呈递增趋势;在游戏偏好得分上,男生显著高于女生,理科生显著高于文科生,随年级增加游戏偏好得分呈递减趋势,性别与学科,年级与学科均存在显著交互作用.交往偏好得分的性别、专业、年级的主效应不显著,但性别与学科有非常显著的交瓦效应. 相似文献