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61.
Prior research has indicated that self-reported violent media exposure is associated with poorer performance on some neuropsychological tests in adolescents. This study aimed to examine the relationship of executive functioning to violent television viewing in healthy young adult males and examine how brain structure is associated with media exposure measures. Sixty-five healthy adult males (ages 18–29) with minimal video game experience estimated their television viewing habits over the past year and, during the subsequent week, recorded television viewing time and characteristics in a daily media diary. Participants then completed a battery of neuropsychological laboratory tests quantifying executive functions and underwent a magnetic resonance imaging (MRI) scan. Aggregate measures of executive functioning were not associated with measures of overall television viewing (any content type) during the past week or year. However, the amount of television viewing of violent content only, as indicated by both past-year and daily diary measures, was associated with poorer scores on an aggregate score of inhibition, interference control and attention, with no relationship to a composite working memory score. In addition, violent television exposure, as measured with daily media diaries, was associated with reduced frontoparietal white matter volume. Future longitudinal work is necessary to resolve whether individuals with poor executive function and slower white matter growth are more drawn to violent programming, or if extensive media violence exposure modifies cognitive control mechanisms mediated primarily via prefrontal cortex. Impaired inhibitory mechanisms may be related to reported increases in aggression with higher media violence exposure. 相似文献
62.
Onne Janssen Gerben S. van der Vegt 《European Journal of Work and Organizational Psychology》2013,22(4):524-552
As hypothesized, data from two field studies among employees and their supervisors showed that employees are more likely to positively bias their self-ratings relative to supervisor ratings when creative performance rather than inrole performance is being evaluated. In addition, employees' performance-approach goal orientation and perceived influence were found to enhance positivity bias in self-ratings of creative performance. Moreover, performance-approach goal orientation and perceived influence appeared to combine and interact in their effects, such that the impact of perceived influence on positivity bias in self-ratings was larger when performance-approach goal orientation was weaker rather than stronger. 相似文献
63.
Brian McMillan Kellie Sherlock Mark Conner 《Journal of community & applied social psychology》2003,13(1):15-28
Differences in the drug use characteristics and psychosocial variables in the use and non‐use of ecstasy within 845 16–25 year‐olds in the UK was examined. Based on levels of ecstasy use and intentions, two groups of non‐users (resistant and vulnerable), three groups of users (light, moderate and heavy) and an ex‐user group were identified. It was found that there is predictive utility in this way of expanding the widely employed ‘user versus non‐user’ dichotomy. Resistant non‐users were more likely to be younger, female, and were characterized by lower levels of use of four other drugs (amphetamine, cannabis, cocaine and LSD). Those ‘at risk’ of using ecstasy reported more frequent use of amphetamine, LSD, and cannabis than resistant non‐users. Heavy user groups reported using amphetamine, cocaine and LSD more frequently than all the other groups. Having ecstasy using friends increased the odds of being an ‘at risk’ non‐user or an ecstasy user. Normative influence also differentiated between the three user groups (light, moderate, and heavy). Beliefs about ecstasy use being immoral, ecstasy offers being difficult to resist, ecstasy use making one feel guilty and ecstasy being readily available differentiated between user and non‐user groups. These factors could usefully inform the content of health education materials designed to change ecstasy use. Copyright © 2003 John Wiley & Sons, Ltd. 相似文献
64.
Stephen M. Garcia Kimberlee Weaver John M. Darley Bryan T. Spence 《Journal of Consumer Psychology》2009,19(2):215-224
Encouraging consumers to engage in helpful behavior is a perennial task of marketers in non-profit and for-profit organizations. Recent research suggests that merely imagining the presence of others can lead to less helping behavior on a subsequent unrelated task (Garcia, S.M., Weaver, K.D., Moskowitz, G.B., and Darley, J.M. (2002). Crowded minds: The implicit bystander effect. Journal of Personality and Social Psychology, 83, 843–853.). The present analysis uncovers the boundary conditions of this effect. Across four studies, we establish that the degree to which a group situation fosters public scrutiny is an important moderator. When group primes are paired with public scrutiny, their inhibitive effect on helping behavior diminishes, and helping behavior on a subsequent task tends to increase. The present research thus adds complexity to previous findings by suggesting that implicit bystanders can both decrease and increase helping behavior. 相似文献
65.
This study examined the role of media body comparison as a mediator of the relationships between psychological factors and sociocultural pressures to be thin and body dissatisfaction in both females and males. Participants were 1,386 females (mean age = 19.37 years) and 1,130 males (mean age = 19.46) from diverse backgrounds who completed a self-report questionnaire. Path analysis was used to test a cross-sectional model in which media body comparison mediated the impact of self-esteem, depressive mood, parent dieting environment, friend dieting, TV exposure, magazine message exposure, weight teasing and body mass index (BMI) on body dissatisfaction. In females, media body comparison partially or fully mediated relationships between self-esteem, depressive mood, friend dieting, magazine message exposure and BMI, and body dissatisfaction. In males, media body comparison was not a significant predictor of body dissatisfaction. This research particularly highlights the need to further examine processes that are involved in the development of body dissatisfaction in males. 相似文献
66.
Caroline Hollins Martin Peter Bull 《Journal of community & applied social psychology》2005,15(2):120-126
The document Changing Childbirth produced by the Department of Health (1993) requests provision of more choice, continuity and control for women during pregnancy and childbirth. In this context this study considers whether midwives'decisions are influenced by a senior midwife. A simple, valid and reliable scale—the Social Influence Scale for Midwifery (SIS‐M)—was devised to measure and score midwives' private anonymous responses to 10 clinical decisions. The SIS‐M was initially administered as a self‐completed postal survey by 209 midwives. Following a 9‐month time gap, a stratified sample of 60 (20 E, F, G grade midwives) were invited for interview in which a senior midwife attempted to influence SIS‐M responses in a conformist direction. Overall, a 3 × 2 (E, F, G grade midwives x private and interview SIS‐M scores) analysis of variance (ANOVA) revealed midwives were significantly more conformist when influenced by a senior midwife, in comparison to private anonymous responses. No significant interaction between groups was found. These findings indicate that there is influence of a senior midwife on clinical decisions that should be woman‐centred, according to Changing Childbirth (1993). The implication is that this influence may remove choice from women. Copyright © 2005 John Wiley & Sons, Ltd. 相似文献
67.
We examined predictors of media multitasking in Chinese adolescents from 3 contexts: characteristics of the media user, types of media use and family media contexts. Three hundred and twenty adolescents, 11–18 years of age, completed questionnaires to measure media use, impulsivity, sensation seeking, time management disposition and family media environment. The results showed that media multitasking was positively correlated with age and total media use time. Participants with high levels of impulsivity and sensation seeking reported more multitasking behaviour. Multitasking was negatively correlated with time management. Children from media‐oriented families often engage in more multitasking. What's more, social networking sites use and music use can mediate the effect of individual and family factors on media multitasking. 相似文献
68.
Reality TV shows are characterized by the very intimate self‐disclosure of their participants early on in the shows. In everyday interactions, however, such intimate self‐disclosure is welcomed only when it evolves gradually. This discrepancy between reality shows and real life apparently contradicts previous research documenting the similarity between real relationships and relationships with media characters. The current research explores this apparent contradiction by examining whether the relationship between self‐disclosure and liking and the rules about the timing of self‐disclosure that apply in everyday interactions apply in reality TV. Study 1 shows that viewers prefer characters who make early intimate disclosures, and Study 2 shows that they prefer this disclosure to evolve gradually and become more intimate, as in real relationships. 相似文献
69.
Ying-yi Hong Robert S. Wyer Jr Candy P. S. Fong 《Asian Journal of Social Psychology》2008,11(3):187-195
Chinese participants were found less likely to social loaf when working in groups than did North Americans. This result was attributed mainly to the collectivism and individualism characterizing Chinese and North Americans, respectively. However, this explanation does not address how Chinese people's social loafing tendency may vary across situations. If Chinese participants are concerned about their relations with coworkers, they should be more likely to conform to the performance level of their coworkers. This prediction is in opposition to effort dispensability, which is usually found among North Americans, whereby individuals adjust their effort in reverse to that of their coworkers. Consistent with our prediction, findings from three studies revealed that Chinese participants tended to conform to the performance level of their coworkers when their performance is made public ( vs kept anonymous) and when they have high ( vs low) relational concerns. These findings have implications for unpacking nuanced cultural influences on behaviours. 相似文献
70.
Evelyn G. Schaefer Michael K. Halldorson Cheryl Dizon-Reynante 《Memory (Hove, England)》2013,21(3):251-266
The flashbulb accounts of 38 participants concerning the September 11th 2001 terrorist attack reported at both 28 hours and 6 months following the event were examined for quantity, quality, and consistency as a function of the time lapse between first learning of the event and initial viewing of media images. The flashbulb accounts of those who reported seeing images at least an hour after learning of the event differed qualitatively, but not quantitatively, from accounts of participants who reported seeing images at the same time as or within minutes of learning of the event. Delayed viewing of images resulted in less elaborate and generally less consistent accounts across the 6-month interval. The results are discussed in terms of factors affecting flashbulb memory formation and individual differences in connectedness to the event. 相似文献