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A self‐favoring bias for physical activity (PA) was examined in a community‐based sample of middle‐aged and older adults (N= 3,211). Participants' actual level of PA relative to peers was compared with their perceived PA relative to peers. It was estimated that 38% were realistic, 46% self‐favoring, and 16% other‐favoring in their perceptions. Among participants whose actual PA level was similar to peers, increasing age was associated with a self‐favoring bias. Among less and more physically active participants, however, age was not associated with this bias. Better self‐rated health and being male were also associated with a self‐favoring bias. These results suggest that a self‐favoring bias for PA exists in a significant proportion of middle‐aged and older adults, and it is more pronounced with increasing age, among those with better self‐rated health, and among men. 相似文献
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Melissa M. Wilcox 《Journal of Contemporary Religion》2017,32(2):325-330
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Michelle L. Klvacek Eula Ewing Monroe Brad Wilcox Kendra M. Hall-Kenyon 《Reading Psychology》2017,38(5):542-551
This article describes how one second-grade teacher implemented Follow the Reader, her term for dyad reading. Common Core expects students to read increasingly complex texts. Teachers can implement dyad reading with this end in mind. It is a modified version of the neurological impress method in which a lead reader and an assisted reader sit side by side and read a shared text aloud in unison. As this article demonstrates, this strategy can be implemented successfully with small groups or an entire class and is effective with both English-proficient and English-learning children. She included fiction and nonfiction texts, daily class discussions, book logs to maintain student accountability, and discussion between partners about texts. She provided modeling for students and gave them time to practice procedures. 相似文献
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There is evidence that 4.5-month-olds do not always use surface pattern to individuate objects but that they can be primed to attend to pattern differences through select experiences. For example, if infants are first shown events in which the pattern of an object predicts its function (dotted containers pound and striped containers pour), they will attend to pattern differences in a subsequent individuation task. However, 4.5-month-olds must see multiple exemplars of the pound and pour events and view the dotted and striped containers together during the events. These results suggest that it is the formation of event categories, in which pattern is linked to object function, that supports pattern priming and that direct comparison of the exemplars facilitates the extraction of event categories. The present research investigated conditions that support the comparison process in 4.5-month-olds. The results revealed that the comparison process was initiated only when the dotted and striped containers were seen directly adjacent to each other; if the containers sat far apart, so that infants had to shift their gaze to compare them, event categories were not extracted. In addition, it was comparison of the two patterned containers, and not comparison of the two function events, that was critical to the formation of event categories. These results join a growing body of research indicating the importance of comparison to category formation in infants and reveal the impact of categorization and comparison processes on object individuation in infancy. 相似文献
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Over the past two decades psychophysical experiments have firmly established that binocular half-occlusions are useful sources of information for the human visual system. The existing literature has focused on simplified stimuli that have no additional cues to depth, apart from stereopsis. From this large body of work we can be confident that the visual system is able to exploit binocular half-occlusions to aid depth perception; however, we do not know if this signal has any influence on perception when observers view complex stereoscopic stimuli with multiple sources of depth information. This issue is addressed here with the use of stereoscopic images of natural scenes, some of which have been digitally altered to manipulate a major half-occlusion signal. Our results show that depth-ordering judgments for these relatively complex stimuli are significantly affected by the nature of the half-occlusion signal, but only when highly textured surfaces are viewed. Under such conditions, the replacement of a binocular half-occlusion with background texture slows reaction time relative to performance when the occluded region is consistent with the foreground object. This result is specific to conditions when the depth ordering is correct (ie not reversed) and depends upon the size of the half-occlusion. The influence of the half-occlusion information in the presence of potent depth cues such as perspective, texture gradient, shading, and interposition is convincing evidence that this information plays a significant role in human depth perception. 相似文献
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The relationship between observable responses and the latent constructs they are purported to measure has received considerable attention recently, with particular focus on what has become known as formative measurement. This alternative to reflective measurement in the area of theory-testing research is examined in the context of the potential for interpretational confounding and a construct's ability to function as a point variable within a larger model. Although these issues have been addressed in the traditional reflective measurement context, the authors suggest that they are particularly relevant in evaluating formative measurement models. On the basis of this analysis, the authors conclude that formative measurement is not an equally attractive alternative to reflective measurement and that whenever possible, in developing new measures or choosing among alternative existing measures, researchers should opt for reflective measurement. In addition, the authors provide guidelines for researchers dealing with existing formative measures. 相似文献