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651.
Human expertise at processing faces relies on how facial features are encoded: as a whole template rather than as a sum of independent features. This holistic encoding is less prominent for other-race faces, possibly accounting for the difficulty one encounters in recognizing these faces (the ‘other-race effect’). Here, we tested the hypothesis that the magnitude of holistic face encoding can be modulated by racial categorization of the face. Caucasian participants performed a face-composite task with ‘racially-ambiguous’ face-stimuli (cross-race morphed faces, equally categorized as Asian or Caucasian faces in an independent task). The perceived race of the ambiguous faces was manipulated using adaptation. Experiment 1 showed that identical morphed face-stimuli were processed more holistically when perceived as ‘same-race’ than as ‘other-race’, i.e., following adaptation to ‘other-race’ versus ‘same-race’, respectively. Experiment 2 ascertained that the determining factor in the observed holistic processing modulation was the race of the racially-ambiguous face as perceived, rather than expected, by the participants, which supports the idea that the holistic processing of the face-stimuli was modulated by their race-categorization at the perceptual level. 相似文献
652.
Caroline Downes 《Journal of Psychology in Africa》2013,23(2):201-208
This study investigated the use of flexitime as a Work-life balance (WLB) policy and understanding employee perceptions regarding the use of flexitime among South African employees. A qualitative design with an exploratory approach was used. A non-probability purposive sample (n = 15) was taken in the financial sector. Data collection was done by was means of semi-structured interviews. Content analysis was used to analyse the data. Four main themes were extracted. The first two themes related to the various ways in which participants use flexitime and the influencing factors. Participants use flexitime according to their own preference (e.g., Spillover of working hours, dividing one's working day into smaller work hours, working from different locations) and were influenced by factors such as client's needs and expectations, own workload/pressure and personal commitments/responsibilities. The third theme related to various perceptions regarding the level of position of management, visibility and also personal life and situation. The last theme indicated that the use of flexitime have consequences, which include amongst others delay in work/deadlines, reduced productivity or performance, increased workload and health consequences. 相似文献
653.
Caroline A. A. van Heijningen Jiani Chen Irene van Laatum Bonnie van der Hulst Carel ten Cate 《Animal cognition》2013,16(2):165-175
A hallmark of the human language faculty is the use of syntactic rules. The natural vocalizations of animals are syntactically simple, but several studies indicate that animals can detect and discriminate more complex structures in acoustic stimuli. However, how they discriminate such structures is often not clear. Using an artificial grammar learning paradigm, zebra finches were tested in a Go/No-go experiment for their ability to distinguish structurally different three-element sound sequences. In Experiment 1, zebra finches learned to discriminate ABA and BAB from ABB, AAB, BBA, and ABB sequences. Tests with probe sounds consisting of four elements suggested that the discrimination was based on attending to the presence or absence of repeated A- and B-elements. One bird generalized the discrimination to a new element type. In Experiment 2, we continued the training by adding four-element songs following a ‘first and last identical versus different’ rule that could not be solved by attending to repetitions. Only two out of five birds learned the overall discrimination. Testing with novel probes demonstrated that discrimination was not based on using the ‘first and last identical’ rule, but on attending to the presence or absence of the individual training stimuli. The two birds differed in the strategies used. Our results thus demonstrate only a limited degree of abstract rule learning but highlight the need for extensive and critical probe testing to examine the rules that animals (and humans) use to solve artificial grammar learning tasks. They also underline that rule learning strategies may differ between individuals. 相似文献
654.
Anke Caroline Büttner 《Memory (Hove, England)》2013,21(8):882-890
When asked how many animals of each kind Moses took on the Ark, most people respond with “two” despite the substituted name (Moses for Noah) in the question. Possible explanations for semantic illusions appear to be related to processing limitations such as those of working memory. Indeed, individual working memory capacity has an impact upon how sentences containing substitutions are processed. This experiment examined further the role of working memory in the occurrence of semantic illusions using a dual-task working memory load approach. Participants verified statements while engaging in either articulatory suppression or random number generation. Secondary task type had a significant effect on semantic illusion rate, but only when comparing the control condition to the two dual-task conditions. Furthermore, secondary task performance in the random number generation condition declined, suggesting a tradeoff between tasks. Response time analyses also showed a different pattern of processing across the conditions. The findings suggest that the phonological loop plays a role in representing semantic illusion sentences coherently and in monitoring for details, while the role of the central executive is to assist gist-processing of sentences. This usually efficient strategy leads to error in the case of semantic illusions. 相似文献
655.
Abstract In assessing the quality of life of patients with cancer. :in important. though largely ignored. variable is self-esteem. The development of an instrument to measure self-esteem, using visual analogue scales, is described. This instrument was administered to 170 patients with newly diagnosed early breast cancer. Hodgkin's disease and non-Hodgkin's lymphoma three months and one year alter diagnosis. The instrument was acceptable to patients; internal consistency and test-retest reliability data are reported. Self-esteem scores were inversely correlated with depression and trait anxiety scores, and positively correlated with internal locus of control. Self-esteem was not significantly affected by tumour grade or stage. or by the extent to which patients felt disabled by the symptoms and side effects of their disease and treatment. The implications of these findings are discussed. 相似文献
656.
Caroline Dancyger Mel Wiseman Chris Jacobs Jonathan A. Smith Melissa Wallace Susan Michie 《Psychology & health》2013,28(8):1018-1035
Genetic testing for BRCA1/2 mutations associated with hereditary breast and ovarian cancer reveals significant risk information about one's chances of developing cancer. It is important to study communication processes in families where members are undergoing genetic testing because the information received is crucial not just to the individual concerned but also to other members of the biological family. This study investigates family communication of BRCA1/2 test results from both the informants’ and recipients’ perspectives. A total of 10 female patients and 22 of their relatives were interviewed. Patients’ and their relatives described feelings of responsibility for sharing genetic information within the family to enable others to reduce their risks of developing cancer. However, there were limits to an individuals’ responsibility once key family members had been informed, who then had to take responsibility for continuing dissemination of information. Whilst there was an implicit responsibility to inform the family of a mutation, information was edited or withheld in the best interest of relatives, dependent upon their perceived emotional readiness, resilience and current life stage and circumstances. The pre-existing family culture and the impact previous cancer diagnoses had upon the family also influenced the process of communication. Findings are discussed in relation to extant literature and implications for clinical practice are considered. 相似文献
657.
Nicolas Gillet Caroline Becker Marc-André Lafrenière Isabelle Huart Evelyne Fouquereau 《Military psychology》2013,25(5):418-433
The authors examined the relationships between soldiers’ motivational profiles and work correlates. Results showed that the profiles differentially related to perceived organizational support and work engagement in both samples, as well as to communication, supervisor support, and positive and negative affect in Sample 2. Specifically, soldiers with the highest autonomous motivation scores displayed the highest levels of perceived organizational support and work engagement. Moreover, the highest levels of autonomous motivation were associated with the highest levels of communication, supervisor support, and positive affect. Finally, soldiers with low to moderate levels of autonomous motivation reported higher levels of negative affect than those characterized by high autonomous motivation scores. Theoretical and practical implications of the findings are discussed. 相似文献
658.
Solène Kalénine Caroline Cheam Véronique Izard Edouard Gentaz 《British journal of psychology (London, England : 1953)》2013,104(3):400-412
This study uses a production task to probe the representations of two geometrical shape categories (rectangles and triangles) in adults and children before the onset of geometry instruction. We specifically assessed whether drawings of these shapes would average around a prototype and whether the prototypical side‐length ratio of the shapes would be situated in the range of the ‘golden ratio’, as it has been reported in the perception domain. We asked 78 adults and 68 five‐year‐old children to draw one rectangle and one triangle. In both populations, the prototypical rectangle was horizontally oriented with a ratio between sides superior to the ‘golden’ value of 1.62. For the triangle, both children and adults tended to produce horizontal acute isosceles triangles with a ratio inferior to the golden value. These findings suggest that adults’ and children's shape categories of triangles and rectangles are organized around a prototypical shape, but the characteristics of this prototype may differ to a certain extent with the ones observed in previous perceptual tasks. Implications of this perception/production dissociation for length concept development, as well as the potential origins of these prototypes are discussed. 相似文献
659.
When grouped with Pacific Islanders, Asian Americans constitute the fastest growing ethnic group in the United States. In this article, the authors provide background information for understanding the diversity and commonalities within Asian American populations and discuss the challenges of initial assessment with clients who identify as Asian Americans. We conclude this article with guidelines for conducting an effective initial interview with Asian American clients. 相似文献
660.