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Within (and between) cultures, people tend to agree on which parts of colour space are easiest to name and what the names for these regions are. Therefore it is likely that the manipulation of ease of naming (nameability) of colours should change performance in tasks where categorisation by colour name is important. More specifically? highly 'nameable' colour sets should lead to better performance than metrically equivalent but less categorically distinct sets, when the task requires categorisation. This hypothesis was investigated by testing observers on a name-based task, the naming and subsequent identification by name of colour sets with up to sixteen members. These sets were designed to be easy to name (nameable), maximally discriminable, or matched discriminable. The first were derived from previously generated data, the second by a standard algorithm to space colours widely in colour space, and the latter by closely matching their metric characteristics to those of an easy-to-name colour set. This final condition was metrically (but not categorically) equivalent to the nameable set. It was found that sets designed to be nameable did indeed lead to superior performance as measured by response times, confidence ratings, and response accuracy. Perceptual colour similarity, measured by a AE metric, did not predict errors. Nameability may thus be a valid, manipulable, aspect of sets of colours, and one which is not otherwise duplicated in the metric characteristics of such sets. 相似文献
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We investigated the linguistic features of temporal cohesion that distinguish variations in temporal coherence. In an analysis
of 150 texts, experts rated temporal coherence on three continuous scale measures designed to capture unique representations
of time. Coh-Metrix, a computational tool that assesses textual cohesion, correctly predicted the human ratings with five
features of temporal cohesion. The correlations between predicted and actual scores were all statistically significant. In
a complementary study, we explored the importance of temporal cohesion in characterizing genre. A discriminant function analysis,
using Coh-Metrix temporal indices, successfully distinguished the genres of science, history, and narrative texts. The results
suggested that history texts are more similar to narrative texts than to science texts in terms of temporal cohesion. 相似文献
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Victoria Laxton David Crundall Duncan Guest Christina J. Howard 《Applied cognitive psychology》2021,35(1):215-231
How does domain expertise influence dynamic visual search? Previous studies of visual search often use abstract search arrays that are devoid of applied context, with comparatively few studies exploring applied naturalistic and dynamic settings. The current research adds to this literature by examining lifeguard drowning‐detection across two studies using naturalistic, dynamic search tasks. Behavioural responses and eye‐movement data were recorded as participants watched staged video clips and attempted to identify if a swimmer was drowning. The results demonstrate lifeguard superiority in response times to drowning events, compared to non‐lifeguards. No differences between lifeguard and non‐lifeguard eye‐movements were noted however. This suggests that the experiential benefit in response times results from other underlying processes, rather than any scanning benefits. This research highlights the complex nature of naturalistic and dynamic searches, while demonstrating the robust nature of simulated videos in producing experience effects in visual search. 相似文献
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Erin E. Bonar James R. Wolfe Ryan Drab Rob Stephenson Patrick S. Sullivan Tanaka Chavanduka Benyam Hailu Jodie L. Guest Jos Bauermeister 《American journal of community psychology》2021,67(1-2):237-248
Mentoring relationships are characterized by a sustained, high quality, and skill‐building relationship between a protégé and mentor (Handbook of Youth Mentoring, Los Angeles, SAGE, 2014). Within prevention science, youth mentoring programs emphasize creating a specific context that benefits a young person. Program‐sponsored relationships between youth and adults allow for creating a mentor–mentee partnership, but do not require the establishment of a strong bond in order to deliver prevention‐focused activities and experiences (Handbook of Youth Mentoring, Los Angeles, SAGE, 2014). Motivational Interviewing (MI) is a counseling style used widely to promote health behavior change and in prevention interventions. As part of an upstream approach to HIV prevention, we combined mentoring and MI by training peer mentors to use MI skills in their interactions as part of a large RCT of a mobile life skills intervention for adolescent men who have sex with men (AMSM). Our training model developed for training peer mentors in MI skills resulted in peers reaching and exceeding established MI fidelity thresholds (e.g., mean percentage of complex reflections = 80%, mean reflection to question ratio = 2.2:1). We offer reflections on lessons learned and future directions for those researchers and practitioners who may benefit from adapting this blended approach for mentoring AMSM. 相似文献
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Light is the origin of vision. The pattern of shading reflected from object surfaces is one of several optical features that provide fundamental information about shape and surface orientation. To understand how surface and object shading is processed by birds, six pigeons were tested with differentially illuminated convex and concave curved surfaces in five experiments using a go/no-go procedure. We found that pigeons rapidly learned this type of visual discrimination independent of lighting direction, surface coloration and camera perspective. Subsequent experiments varying the pattern of the lighting on these surfaces through changes in camera perspective, surface height, contrast, material specularity, surface shape, light motion, and perspective movement were consistent with the hypothesis that the pigeons were perceiving these illuminated surfaces as three-dimensional surfaces containing curved shapes. The results suggest that the use of relative shading for objects in a visual scene creates highly salient features for shape processing in birds. 相似文献
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Michael Clinton Terry Knight David E. Guest 《International Journal of Selection & Assessment》2012,20(1):111-117
Job embeddedness is a relatively new concept that offers the potential to improve our ability to explain why people stay in their jobs. This article outlines the development and testing of new measures of on‐ and off‐the‐job embeddedness. Analyses of survey data show the measures demonstrate adequate psychometric properties across samples (three military and one nonmilitary organization) and across different organizational levels, genders, and tenure, as well as discriminant validity over other turnover‐relevant constructs and appropriate convergent validity with a number of further constructs identified in the literature. 相似文献
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