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11.
Barbara A. Morrongiello Rick C. Robson Catherine T. Best Rachel K. Clifton 《Journal of experimental child psychology》1984,37(2):231-250
Five-year-old children were tested for perceptual trading relations between a temporal cue (silence duration) and a spectral cue (F1 onset frequency) for the “say-stay” distinction. Identification functions were obtained for two synthetic “say-stay” continua, each containing systematic variations in the amount of silence following the /s/ noise. In one continuum, the vocalic portion had a lower F1 onset than in the other continuum. Children showed a smaller trading relation than has been found with adults. They did not differ from adults, however, in their perception of an “ay-day” continuum formed by varying F1 onset frequency only. The results of a discrimination task in which the two acoustic cues were made to “cooperate” or “conflict” phonetically supported the notion of perceptual equivalence of the temporal and spectral cues along a single phonetic dimension. The results indicate that young children, like adults, perceptually integrate multiple cues to a speech contrast in a phonetically relevant manner, but that they may not give the same perceptual weights to the various cues as do adults. 相似文献
12.
Andrew Martinez Rachel Swaner Cassandra Ramdath Katherine Kusiak Carey 《American journal of community psychology》2023,71(1-2):147-157
Racial disparities and a corresponding lack of trust have been documented within the criminal legal system. In response, criminal legal system actors have sought to strengthen the legitimacy of their agencies. However, legitimizing these agencies can be problematic. Some argue that the current criminal legal system continues the legacy of slavery and Jim Crow as Blacks are disproportionately policed and incarcerated. As a framework, procedural injustice can offer a unique backdrop and interrogate ways in which the criminal legal system engages in delegitimizing actions that provoke noncompliance and enable social control. Using a procedural injustice lens, this study examines how justice-involved Black adults experience mistreatment by justice system actors. Semistructured interviews were conducted with 84 Black adults in Newark and Cleveland. Study findings offer a comprehensive account of how participants experience procedural injustice as arrestees, defendants, and incarcerated persons. More specifically, participant narratives describe deliberately antagonistic, abusive, and dehumanizing treatment by justice-system agents—often depicted as racially motivated. Participant accounts also describe this mistreatment as occurring in a context of coercion and powerlessness and as being institutionally sanctioned. Implications for the preservation of racial hierarchies, research, practice, and community psychology are discussed. 相似文献
13.
Xin Sun Rebecca A. Marks Kehui Zhang Chi-Lin Yu Rachel L. Eggleston Nia Nickerson Tai-Li Chou Xiao-Su Hu Twila Tardif Teresa Satterfield Ioulia Kovelman 《Developmental science》2023,26(1):e13251
How do early bilingual experiences influence children's neural architecture for word processing? Dual language acquisition can yield common influences that may be shared across different bilingual groups, as well as language-specific influences stemming from a given language pairing. To investigate these effects, we examined bilingual English speakers of Chinese or Spanish, and English monolinguals, all raised in the US (N = 152, ages 5–10). Children completed an English morphological word processing task during fNIRS neuroimaging. The findings revealed both language-specific and shared bilingual effects. The language-specific effects were that Chinese and Spanish bilinguals showed principled differences in their neural organization for English lexical morphology. The common bilingual effects shared by the two groups were that in both bilingual groups, increased home language proficiency was associated with stronger left superior temporal gyrus (STG) activation when processing the English word structures that are most dissimilar from the home language. The findings inform theories of language and brain development during the key periods of neural reorganization for learning to read by illuminating experience-based plasticity in linguistically diverse learners. 相似文献
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Michelle K. Jamieson Gisela H. Govaart Madeleine Pownall 《Social and Personality Psychology Compass》2023,17(4):e12735
Reflexivity is the act of examining one's own assumption, belief, and judgement systems, and thinking carefully and critically about how these influence the research process. The practice of reflexivity confronts and questions who we are as researchers and how this guides our work. It is central in debates on objectivity, subjectivity, and the very foundations of social science research and generated knowledge. Incorporating reflexivity in the research process is traditionally recognized as one of the most notable differences between qualitative and quantitative methodologies. Qualitative research centres and celebrates the participants' personal and unique lived experience. Therefore, qualitative researchers are readily encouraged to consider how their own unique positionalities inform the research process and this forms an important part of training within this paradigm. Quantitative methodologies in social and personality psychology, and more generally, on the other hand, have remained seemingly detached from this level of reflexivity and general reflective practice. In this commentary, we, three quantitative researchers who have grappled with the compatibility of reflexivity within our own research, argue that reflexivity has much to offer quantitative methodologists. The act of reflexivity prompts researchers to acknowledge and centre their own positionalities, encourages a more thoughtful engagement with every step of the research process, and thus, as we argue, contributes to the ongoing reappraisal of openness and transparency in psychology. In this paper, we make the case for integrating reflexivity across all research approaches, before providing a ‘beginner's guide’ for quantitative researchers wishing to engage reflexively with their own work, providing concrete recommendations, worked examples, and reflexive prompts. 相似文献
16.
James R. Pomerantz Stephen Kaplan Rachel Kaplan 《Attention, perception & psychophysics》1969,6(3):129-132
When single letters were presented for five flashes, with S making a clarity judgment after each exposure, initial potentiation and subsequent satiation effects were found. A processing task and complete prior knowledge led to an increased probability of a “clear” response on the first exposure and to an earlier onset of the satiation effect. The results are discussed in terms of the neural network model underlying this research. 相似文献
17.
11beta-hydroxysteroid dehydrogenase type 1 (11beta-HSD-1) catalyses the interconversion of active cortisol and corticosterone with inert cortisone and 11-dehydrocorticosterone, thus regulating glucocorticoid access to intracellular receptors. In rats, chronic glucocorticoid excess or stress increases 11beta-HSD-1 in the hippocampus, producing suggestions that it may attenuate the deleterious effects of chronic glucocorticoid excess. However, 11beta-HSD-1 predominantly catalyses 11beta-reduction in the intact liver and hippocampal cells, thus regenerating active glucocorticoids from inert substrate. We studied 11beta-HSD activity in the tissues of male tree shrews following 28 days of sustained psychosocial stress or exogenous administration of cortisol. In the hippocampus, chronic psychosocial stress attenuated 11-HSD-1 activity (69 +/- 9% of control), whereas cortisol alone had no effect. In the liver, both chronic stress and cortisol administration decreased 11beta-HSD-1 activity (47 +/- 11% and 49 +/- 4% fall, resp.). Attenuation of 11beta-HSD-1 within tissues may reflect a homeostatic mechanism designed to minimise the adverse effects of prolonged stress and/or glucocorticoid excess. 相似文献
18.
Abstract— A conceptual model based on staffing theory was applied to previously collected survey data from a representative sample of American workers The model links organizational size, workload, work experience variables (felt responsibility and involvement, assessments of work associates), and work outcomes (job satisfaction, work self-esteem, stress symptoms) Path analyses indicated that the model fit data from all waged and salaried workers relatively well When the model was applied to subsamples of new and established employees and of employees from two contrasting occupational groups (professional-technical workers and operative workers), somewhat different patterns emerged The study illustrates the benefits of applying psychological theories across subdisciplines, as well as the limitations of generalizing research findings across different categories of workers We suggest that localized theories and fine-grained analyses of workplace events could help to make research more applicable to work settings 相似文献
19.
Rachel Mandula MSW 《Contemporary Family Therapy》1995,17(4):469-482
This article describes marital therapy with a Holocaust survival couple in which the wife's demands for living bread plays a highly symbolic role in the marital dynamics. The author draws interesting parallels between the experience of the couple and the meaning of the therapy experience for herself. 相似文献
20.