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- Adaptability (1)
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- Body mass index; tractography; diffusion tensor imaging; cognition; white matter; aging (1)
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Articles 1 - 8 of 8
Full-Text Articles in Psychology
Impact Of The Serotonin Transporter Polymorphism On Emotion Identification In Healthy Older Adults, Staci Erin Scott
Impact Of The Serotonin Transporter Polymorphism On Emotion Identification In Healthy Older Adults, Staci Erin Scott
Dissertations
Older adults exhibit reduced accuracy and efficiency for identifying facial emotion expressions yet it is unclear how genetic or cognitive variables influence these findings. This study examined the impact of serotonin transporter polymorphism 5-HTTLPR on patterns of explicit emotion identification accuracy and reaction time (RT) in healthy older adults. The impact of 5-HTTLPR on measures of processing speed, attention, and executive function as well as correlations between cognitive measures and emotion identification measures were also examined. Methods: Forty-one individuals over the age of 50 were genotyped for bi-allelic and tri-allelic variants of 5-HTTLPR and administered an emotion recognition paradigm and …
Motivated To Adapt: Applying Goal-Setting Theory, Primed Subconscious Goal, And Implementation Intention, Graham Benjamin Wohler
Motivated To Adapt: Applying Goal-Setting Theory, Primed Subconscious Goal, And Implementation Intention, Graham Benjamin Wohler
Dissertations
This study investigated the effects that several motivational interventions have on transition and reacquisition adaptability. Goal-setting, whether assigned or self-set, had no effect on either form of adaptability; however, the two goal-setting conditions differed from each other once goal commitment was taken into consideration. High commitment was negatively associated to transition adaptability for assigned goals, but positively related for self-set goals; this trend was marginally significant in reacquisition adaptability as well. Primed subconscious goals were found to have no effect on either form of adaptability. An implementation intention was found to negatively relate to transition adaptability and to have no …
Making Telework Work: The Effect Of Telecommuting Intensity On Employee Work Outcomes, Maria Spilker
Making Telework Work: The Effect Of Telecommuting Intensity On Employee Work Outcomes, Maria Spilker
Dissertations
The current study examined the effects of telecommuting intensity – the amount of scheduled time that employees spend doing work away from the central work location – on employee outcomes. Results of this study provided insight into how telecommuting intensity relates to turnover intent and supervisor-rated performance through mediating mechanisms of work-life conflict, professional isolation, and Leader-Member Exchange. An online survey instrument was created, and an invitation to participate was sent by e-mail to telecommuters. Each participant was asked to provide an email address for his or her direct supervisor. The supervisor was asked to complete a shortened version of …
Structural And Cognitive Correlates Of Body Mass Index In Healthy Older Adults, Jacob Bolzenius
Structural And Cognitive Correlates Of Body Mass Index In Healthy Older Adults, Jacob Bolzenius
Dissertations
Obesity, commonly measured with body mass index (BMI), is associated with numerous deleterious health conditions and may be a modifier of age-related alterations in brain integrity. Research suggests that white matter integrity observed using diffusion tensor imaging (DTI) is altered with high BMI, but the integrity of specific tracts remains poorly understood. Additionally, no studies have examined fractional anisotropy (FA) of tract integrity in conjunction with neuropsychological evaluation with elevated BMI among older adults. It was hypothesized that elevated BMI would be independently associated with lower white matter integrity and cognitive performance. It was also hypothesized that age and BMI …
The Relation Of Anxiety, Depression, And Stress To Binge Eating Behavior, Diane L. Rosenbaum
The Relation Of Anxiety, Depression, And Stress To Binge Eating Behavior, Diane L. Rosenbaum
Dissertations
Binge eating is an impairing and prevalent problem. Theories of binge eating suggest negative affect is of primary importance in the development and maintenance of binge eating behavior. To date, investigations of binge eating have often examined depression, however relatively little is known about other psychological factors. The current study aimed to extend the literature by examining several psychological factors in relation to binge eating behavior. Specifically, the relation between binge eating behavior and three psychological factors, depression, anxiety and stress, were examined. Data were collected via online surveys from a community sample of men and women of diverse backgrounds. …
Organizational Interventions For Restoring Justice In The Workplace, Wanyi Ma Lai
Organizational Interventions For Restoring Justice In The Workplace, Wanyi Ma Lai
Dissertations
This study examined the impact of organizational interventions in the aftermath of a workplace injustice. Using restorative justice theory, I explored how four different interventions may differentially impact a victim’s levels of forgiveness, reconciliation, revenge motivation, and avoidance motivation. It was found that not acknowledging an injustice had taken place could lead to increased revenge motivation or avoidance behaviors, which could be potentially counterproductive in a work environment. On the other hand, results indicated that an important element of minimizing undesirable responses and increasing the potential for positive responses could be extending a sincere apology for the transgression. Forgiveness was …
The Romance Of Leadership: Construct Clarification And Its Relationship With Reactions To Organizational Change, Cari Lois Rottman
The Romance Of Leadership: Construct Clarification And Its Relationship With Reactions To Organizational Change, Cari Lois Rottman
Dissertations
Leadership involves the dyadic relationship between a leader and his or her followers. As such, the thoughts and attitudes of followers are an integral part of this relationship. Romance of leadership (ROL) is the degree to which followers believe that leadership “is the premiere force in the scheme of organizational events or occurrences” (Felfe, 2005; Meindl & Ehrilich, 1987). The current research examined ROL by looking at 1) the dimensionality and construct validity of ROL, 2) the difference between explicit and implicit measurement of ROL, and 3) the relationship between ROL and evaluations of leader effectiveness in a changing environment. …
A Longitudinal Look At Electronic Mentoring Relationships, Lyndsey Marie Havill
A Longitudinal Look At Electronic Mentoring Relationships, Lyndsey Marie Havill
Dissertations
Current advancements in information technology are increasingly impacting work relationships. Rapid technological changes have significant implications specifically for workplace mentoring because they may offer faster and more economical ways of building relationships. However, the e-mentoring literature is still evolving, and the extent to which e-mentoring parallels face-to-face mentoring is unknown. The purpose of this study was to investigate the development of mentoring functions over time and how the development varies depending on the amount and type of computer mediated communication. While career-support was greater at initial points in the relationship, psychosocial-support increased at a greater velocity for mentors. Bandwidth and …