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251.
Hvorecny LM Grudowski JL Blakeslee CJ Simmons TL Roy PR Brooks JA Hanner RM Beigel ME Karson MA Nichols RH Holm JB Boal JG 《Animal cognition》2007,10(4):449-459
In complex navigation using landmarks, an animal must discriminate between potential cues and show context (condition) sensitivity. Such conditional discrimination is considered a form of complex learning and has been associated primarily with vertebrates. We tested the hypothesis that octopuses and cuttlefish are capable of conditional discrimination. Subjects were trained in two maze configurations (the conditions) in which they were required to select one of two particular escape routes within each maze (the discrimination). Conditional discrimination could be demonstrated by selecting the correct escape route in each maze. Six of ten mud-flat octopuses (Octopus bimaculoides), 6 of 13 pharaoh cuttlefish (Sepia pharaonis), and one of four common cuttlefish (S. officinalis) demonstrated conditional discrimination by successfully solving both mazes. These experiments demonstrate that cephalopods are capable of conditional discrimination and extend the limits of invertebrate complex learning. 相似文献
252.
Carlos M. Mallol Brooks C. Holtom Thomas W. Lee 《Journal of business and psychology》2007,22(1):35-44
The demographic composition of the workforce is changing, with an increase in the participation of minorities. Numerous studies
center their attention on the inclusion of minorities, but variation in turnover of a culturally diverse workforce has not
received much attention. Forecasts indicate that by 2020 Hispanic presence will increase 60% nationwide. Given these trends,
it is critical that management scholars examine the impact of Hispanic cultural factors on important organizational outcomes
such as voluntary turnover. This paper assesses whether there are significant differences between Hispanics and Caucasians
with respect to job embeddedness and voluntary turnover. The findings suggest that job embeddedness is a robust predictor
of employee retention across diverse populations.
Portions of this research were submitted by Carlos M. Mallol in partial fulfillment of requirements for his doctoral degree.
A preliminary version of this article was presented at the 2003 Academy of International Business Conference. 相似文献
253.
F David Rose Barbara M Brooks Albert A Rizzo 《Cyberpsychology & behavior》2005,8(3):241-62; discussion 263-71
Given the high incidence of brain injury in the population, brain damage rehabilitation is still a relatively undeveloped field. Virtual reality (VR) has the potential to assist current rehabilitation techniques in addressing the impairments, disabilities, and handicaps associated with brain damage. The main focus of much of the exploratory research performed to date has been to investigate the use of VR in the assessment of cognitive abilities, but there is now a trend for more studies to encompass rehabilitation training strategies. This review describes studies that have used VR in the assessment and rehabilitation of specific disabilities resulting from brain injury, including executive dysfunction, memory impairments, spatial ability impairments, attention deficits, and unilateral visual neglect. In addition, it describes studies that have used VR to try to offset some of the handicaps that people experience after brain injury. Finally, a table is included which, although not an exhaustive list of everything that has been published, includes many more studies that are relevant to the use of VR in the assessment and rehabilitation of brain damage. The review concludes that the use of VR in brain damage rehabilitation is expanding dramatically and will become an integral part of cognitive assessment and rehabilitation in the future. 相似文献
254.
255.
Fiona Alexander Christine Allen Jonathan Brooks Claire Cole Anne Campbell 《Sex roles》2004,51(11-12):647-659
Men tend to view their own aggression as an instrumental act aimed at imposing control, whereas women tend to view theirs as an expressive act resulting from a loss of self-control. These interpretations have been called social representations based on their presumed social origins and mode of transmission. However, if women’s self-control is generally higher than men’s, they would be expected to behave aggressively only infrequently and at higher levels of provocation. Aggression would be experienced phenomenologically as a loss of self-control. In Study 1, a student sample, men scored higher than women on instrumental beliefs, impulsivity, and risk seeking. As predicted, instrumental beliefs were associated with higher impulsive risk seeking and an expressive representation was positively associated with temper. In Study 2, an offender sample, there were no gender differences in instrumental beliefs, physical aggression, temper, carelessness, and present orientation. Instrumental beliefs were again associated with impulsive risk seeking and, to a lesser extent, temper. Expressive beliefs were again associated with temper and, to a lesser extent, present orientation. Physical aggression was associated with holding instrumental beliefs, impulsive risk seeking, and temper. The model is broadly supported and directions for future work are suggested. 相似文献
256.
Tiffany R. Lago Abigail Hsiung Brooks P. Leitner Courtney J. Duckworth Nicholas L. Balderston Kong Y. Chen 《Cognition & emotion》2019,33(4):863-870
Despite interest in exercise as a treatment for anxiety disorders the mechanism behind the anxiolytic effects of exercise is unclear. Two observations motivate the present work. First, engagement of attention control during increased working memory (WM) load can decrease anxiety. Second, exercise can improve attention control. Therefore, exercise could boost the anxiolytic effects of increased WM load via its strengthening of attention control. Anxiety was induced by threat of shock and was quantified with anxiety-potentiated startle (APS). Thirty-five healthy volunteers (19 male, age M?=?26.11, SD ?=?5.52) participated in two types of activity, exercise (biking at 60–70% of heart rate reserve) and control-activity (biking at 10–20% of heart rate reserve). After each activity, participants completed a WM task (n-back) at low- and high-load during safe and threat. Results were not consistent with the hypothesis: exercise vs. control-activity increased APS in high-load (p?=?.03). However, this increased APS was not accompanied with threat-induced impairment in WM performance (p?=?.37). Facilitation of both task-relevant stimulus processing and task-irrelevant threat processing, concurrent with prevention of threat interference on cognition, suggests that exercise increases cognitive ability. Future studies should explore how exercise affects the interplay of cognition and anxiety in patients with anxiety disorders. 相似文献
257.
Brian L. Brooks Taryn B. Fay-McClymont William S. MacAllister Marsha Vasserman Elisabeth M.S. Sherman 《Child neuropsychology》2019,25(4):561-572
Determining the validity of obtained data is an inherent part of a neuropsychological assessment. The purpose of this study was investigate the failure rate of the Memory Validity Profile (MVP) in a large clinical sample of children and adolescents with neurological diagnoses. Data were obtained from 261 consecutive patients (mean age = 12.0, SD = 3.9, range = 5–19) who were referred for a neuropsychological assessment in a tertiary care pediatric hospital and were administered the MVP. In this sample, 4.6% of youth failed the MVP. Mean administration time for the MVP was 7.4 min, although time to complete was not associated with failure rates. Failure rates were held relatively consistent at approximately 5% across age ranges, diagnoses, and psychomotor processing speed abilities. Having very low, below normal, or above normal intellectual abilities did not alter failure rate on the MVP. However, those with intellectual disability (i.e., IQ<70) had a higher fail rate at 12% on MVP Total Score, but only 6% on the MVP Visual portion. Failure rates on the MVP were associated with lower scores on memory tests. This study provides support for using the MVP in children as young as 5 years with neurological diagnoses. 相似文献
258.
To date, few studies have examined the social and psychological effects of sexting behaviors. The current study examined how delinquency, social, and psychological factors were associated with sexting behavior in a sample of rural, high school students (n = 548). The results demonstrated that property delinquency, bully-victimization, alcohol, marijuana use, and bullying increased odds of sending and receiving nude photos. Gender specific models indicated that females who had participated in sexting behavior were more likely to report using alcohol and being a victim of bullying, while males were more likely to report using marijuana and being a perpetrator of bullying. Implications are discussed. 相似文献
259.
Brooks Holtom Caren B. Goldberg David G. Allen Mark A. Clark 《Journal of business and psychology》2017,32(1):59-71
Purpose
This research explores “shocking events” as part of the unfolding model of turnover, extending our understanding of the influence of various types of shocks on future voluntary employee separations.Design/Methodology/Approach
1536 new hires at a large financial institution reported shocks monthly during their first 8 months at work as well as their job satisfaction and perceptions of marketability. We used event history to estimate the basic distributional properties of the shocks and Cox proportional hazards models to examine the effects of shocks on job satisfaction and turnover over the subsequent year as reported by the organization.Findings
Organizational shocks generally occur earlier than personal shocks. Further, unexpected shocks have a stronger impact than expected shocks on subsequent turnover. Finally, the effects of organizational shocks on turnover are mediated by job satisfaction, whereas personal shocks have direct effects on turnover.Implications
Our findings offer evidence for the utility of the shock construct in the unfolding model of turnover and speak to the importance of encouraging managers to monitor shocks on an ongoing basis in order to predict when different types of shocks will occur and their likely influence on turnover.Originality/Value
Ours is the first study to examine shocks as they occur. This is a contrast to prior studies that relied on retrospective accounts. Thus, we are able to test new hypotheses (e.g., direct effects vs. mediation) that expand the unfolding model of turnover.260.
Feelings Matter: Depression Severity and Emotion Regulation in HIV/STI Risk-Related Sexual Behaviors
Bridgette M. Brawner Loretta Sweet Jemmott Gina Wingood Janaiya Reason Bridget Daly Kiahana Brooks Yzette Lanier 《Journal of child and family studies》2017,26(6):1635-1645
Human immunodeficiency virus (HIV)/sexually transmitted infection (STI) prevention models may not address psychological complexities among adolescents with mental illnesses. This study examined contextual factors related to HIV/STI risk among heterosexually active Black adolescents with mental illnesses to inform the development of targeted HIV/STI prevention strategies. Black adolescent males and females (aged 14–17) were recruited from outpatient mental health programs in Philadelphia, PA to complete a computer-assisted personalized interview on sociodemographics, sexual behaviors, and emotion regulation (N?=?53). Two sample t-tests, Wilcoxon Rank Sum tests and regression modeling were used to examine differences in the study measures by gender and relationship status. Reports of sexual partner concurrency were high—both while already in a sexual relationship (67.3%) and multiple sexual partners in the same day (42.3%). Boys reported significantly more risk behaviors than girls. Sadness dysregulation predicted currently being in a relationship, older age at first oral sex, fewer vaginal sexual partners and fewer unprotected oral sexual encounters. Coping difficulties predicted a greater number of vaginal and oral sexual partners, and a lower age at first vaginal sex. Increasing depression severity was related to older age at first vaginal sex, fewer vaginal sexual partners and fewer unprotected oral sexual encounters in the past 3 months. This formative work suggests that coping mechanisms should be addressed in HIV/STI prevention research through the inclusion of activities targeted toward emotion regulation and decreasing sexual risk behaviors. Psycho-education and skills building may mitigate the psychopathology that contributes to HIV/STI risk in the target demographic. 相似文献