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71.
Although it is well known that frugivorous spider monkeys (Ateles geoffroyi yucatanensis) occupy large home ranges, travelling long distances to reach highly productive resources, little is known of how they move
between feeding sites. A 11 month study of spider monkey ranging patterns was carried out at the Otochma’ax Yetel Kooh reserve,
Yucatán, Mexico. We followed single individuals for as long as possible each day and recorded the routes travelled with the
help of a GPS (Global Positioning System) device; the 11 independently moving individuals of a group were targeted as focal
subjects. Travel paths were composed of highly linear segments, each typically ending at a place where some resource was exploited.
Linearity of segments did not differ between individuals, and most of the highly linear paths that led to food resources were
much longer than the estimate visibility in the woodland canopy. Monkeys do not generally continue in the same ranging direction
after exploiting a resource: travel paths are likely to deviate at the site of resource exploitation rather than between such
sites. However, during the harshest months of the year consecutive route segments were more likely to retain the same direction
of overall movement. Together, these findings suggest that while moving between feeding sites, spider monkeys use spatial
memory to guide travel, and even plan more than one resource site in advance.
This contribution is part of the special issue “A Socioecological Perspective on Primate Cognition” (Cunningham and Janson
2007). 相似文献
72.
Drawing on Gollwitzer's deliberative–implemental mindset distinction (P. M. Gollwitzer, 1990), it was predicted that people who are deliberating on different actions or goals would be more cautious or more realistic in their expectation of success in subsequent tasks than people who are going to implement a chosen action or goal. Participants were given a choice between different test-materials. They were interrupted before (deliberative) or immediately after decision-making (implemental). They then either had to choose between various levels of difficulty within one type of task (Experiment 1) or they had to predict their own future performance (Experiment 2). The results showed that deliberative participants preferred less difficult tasks and overestimated their probability of success less than implemental participants. In addition, deliberative participants referred more than implemental participants to their past performance when selecting levels of difficulty or predicting future performance; however, the two groups did not differ in actual performance. Taken together, the findings suggest that people are more realistic in a deliberative than in an implemental state of mind. The present studies extend prior research because for the first time they document mindset effects on peoples' estimates concerning their future performance in the achievement domain. 相似文献
73.
74.
For years, reports have circulated that stutterers experience marked decrements in their stuttering when they speak or read in monotone. Wingate has suggested that the ameliorative effects of various novel speaking conditions on stuttering can be attributed to modifications in vocalization induced by such conditions. The present study was conducted to see whether this explanation would extend to monotoned speech as well. Ten teenage and adult stutterers and 10 normal speakers were tested in control and monotone reading conditions. Dependent measures were the frequencies of disfluency and stuttering, fundamental frequency, fundamental frequency standard deviation, vocal SPL, vocal SPL standard deviation, and fluent reading rate. Only within-group statistical comparisons were made, because members of the two groups could not be matched pairwise along critical vocal parameters. The major findings of this study indicated that across the two conditions, both groups significantly reduced their fundamental frequency, fundamental frequency standard deviation, vocal SPL and vocal SPL standard deviation. Only the stutterers exhibited a significant decrement in disfluency and stuttering. The normals did not evince enough disfluency in the control condition for a reduction to occur during monotoning. Neither group effected a reduction in fluent reading rates. These and other findings and interpretations are discussed relative to Wingate's modified vocalization hypothesis. 相似文献
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77.
Eddie M. Clark Beverly Rosa Williams Jin Huang David L. Roth Cheryl L. Holt 《Journal of religion and health》2018,57(6):2258-2278
The present longitudinal study examined religious beliefs and behaviors, spiritual health locus of control (SHLOC), and selected health-related behaviors and outcomes in a national sample of 766 African American adults. Participants were interviewed by telephone three times over a 5-year period. Results indicated that stronger religious beliefs and religious behaviors were associated with greater changes in active SHLOC. There was some evidence of direct effects of religious beliefs and behaviors on changes in health behaviors. Religious behaviors were related to greater passive SHLOC over time across some health outcomes. Passive SHLOC was associated with some less desirable health outcomes over time. 相似文献
78.
Elena Canzi Rosa Rosnati Jesús Palacios Maite Román 《European Journal of Developmental Psychology》2018,15(5):517-530
Research is consistent in showing that international adoption is an intervention leading to great recovery for adopted children, but there is a need of research on factors associated with recovery. The present study is aimed at: (a) assessing children’s cognitive skills and social-emotional dimensions on their arrival to their new family; (b) evaluating their development after one year; (c) identifying which factors influence development, taking into account children’s gender, age, health status on arrival, years of institutionalization, and the initial psychological delay. Participants were 53 internationally adopted children (30 boys and 23 girls), aged 5.68 years old on average at placement (range 2–14). Results showed that children’s development one year after adoption was extraordinary, both in cognitive skills and in social-emotional dimensions. The children more delayed on arrival showed the larger progress over time, and their recovery was greater in cognitive skills than in social-emotional dimensions. 相似文献
79.
López-Guimerà G Sánchez-Carracedo D Fauquet J Portell M Raich RM 《The Spanish journal of psychology》2011,14(1):293-303
This study assessed the impact of a school-based program aimed at preventing disordered eating. The program was based on the media-literacy approach and has interactive format. The program was assessed under strong methodological conditions. Seven schools with 263 Spanish adolescent girls in the area of Barcelona, were randomly assigned to either the complete prevention program condition, the partial program condition or the non-treatment control condition, and assessed at pre, post and 6-month follow-up. The program was effective in generating positive changes at follow-up. The effects sizes (ES(d) = 0.29 to ES(d) = 0.38) were greater, on average, than that obtained up to now in selective-universal programs, and similar or greater than that achieved by targeted prevention programs. The results indicate a greater and relevant effect size of the intervention in those participants who completed the inter-session interactive activities (ES(d) = 0.29 to ES(d) = 0.45) although the differences were not significant. These results suggest the importance of monitoring adherence to the activities in all programs defined as "interactive". The implications and limitations of this study are discussed. 相似文献
80.
The relationships between repetition- and form-priming effects and neighborhood density were analyzed in two masked priming experiments with the lexical decision task. Given that form-priming effects appear to be influenced by a word’s orthographic neighborhood, it is theoretically important to find out whether repetition priming also differs as a function of the word’s orthographic neighborhood. Within an activation framework, repetition- and form-priming effects are just quantitatively different phenomena, whereas the two effects are qualitatively different in a serial-ordered model of lexical access (theentry-opening model). The results show that repetition- and form-priming effects were stronger forhermit words than for words with many neighbors. These results pose some problems for both activation and serial-ordered models. The implications of these results for determining how neighbors affect the identification of a word are discussed. 相似文献