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Skilled Observation and Change Blindness: A Comparison of Law Enforcement and Student Samples 下载免费PDF全文
Shannon M. Smart Melissa A. Berry Dario N. Rodriguez 《Applied cognitive psychology》2014,28(4):590-596
Some evidence suggests that expertise and observational skills training can reduce attentional errors, such as change blindness. Laypeople typically assume that law enforcement officers possess acute observational skills, but no research to date has compared law enforcement and lay samples on their susceptibility to change blindness. In the present study, student and law enforcement samples completed a change blindness task and attempted to identify the target(s) from four line‐ups. Law enforcement officers and students were equally susceptible to change blindness regarding the switch in the target's identity, but students were more likely than officers to detect changes in the target's clothing. Students also performed better on the line‐up task, overall, than officers. Additionally, whereas students' confidence was positively correlated with identification accuracy under some circumstances, officers' confidence was either uncorrelated or negatively correlated with accuracy. We discuss the implications of these findings and suggest some factors accounting for law enforcement officers' relatively poor performance on these tasks. Copyright © 2014 John Wiley & Sons, Ltd. 相似文献
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Snakes are among the most common targets of fears and phobias around the world. In visual search tasks, both adults and young children have repeatedly been found to visually detect snakes more rapidly than other kinds of stimuli. An important question that remains unstudied is what accounts for humans’ rapid response to snakes? Here we suggest that specific features of snakes themselves lead to their rapid detection. The results of five experiments suggest that a snake's shape is the crucial factor in their rapid detection. 相似文献
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Threatening facial expressions like anger can signal potential danger. Past research has established that both adults and children have an attentional bias for angry faces, visually detecting their presence more quickly than happy or neutral faces. More recent research has suggested that specific features of angry faces (such as the downward-pointing “V” shaped brow) are the effective stimulus in their rapid detection. However, research examining this issue has only been done with adults. In the current research, we examine the detection of the features of the downward-pointing “V” in both adults and preschool children using a touchscreen visual search procedure. In two experiments, both adults and children detected the downward-pointing “V” more quickly than an upward-pointing “V”. As the first evidence that young children exhibit the same superior detection of the features of threatening facial expressions that adults do, this research provides important support for the existence of an evolved attentional bias for threatening stimuli. 相似文献
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Examining the Effects of Social Bonds and Shame on Drug Recovery within an On-Line Support Community
Past research has demonstrated the utility of on-line support groups for individuals to form relationships and make connections. Additionally, some on-line communities have expanded to provide various types of support, particularly for deviant behavior. These virtual communities may be particularly indispensable to individuals who, out of fear of condemnation, are reluctant to seek traditional forms of social support. For purposes of this study, we examined how members of a substance abuse recovery on-line support group expressed feelings pertaining to their own substance abuse, as well as their processes of attempted or successful recovery. Using an inductive approach for our preliminary analysis, we first assessed which theories were most prevalent throughout the writers’ journals. We then used these theories, both Hirschi’s theory of social control and Braithwaite’s theory of reintegrative shaming, as frameworks to explore the differences between those who were in recovery and those who were still using. 相似文献
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Glenn Adams Vanessa Edkins Dominika Lacka Kate M. Pickett Sapna Cheryan 《Basic and applied social psychology》2013,35(4):349-361
Resonating with understandings prevalent among White Americans, psychologists tend to portray racism as a problem of individual prejudice rather than a systemically embedded phenomenon. An unintended consequence of this portrayal is to reproduce a narrow construction of racism as something that does not require energetic measures to combat. We describe 2 studies that provide support for this idea. Tutorials presented the topic of racism either as individual prejudice (standard condition) or as a systemic phenomenon embedded in American society (sociocultural condition). Results confirmed that perception of racism and (in Study 2) endorsement of antiracist policy were greater among participants in the sociocultural tutorial condition than among participants in the both the standard tutorial and no-tutorial control conditions. An ironic consequence of standard pedagogy may be to promote a modern form of scientific racism that understates the ongoing significance of racist oppression. 相似文献
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