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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
91

Altering socially rejected pre-kindergartners' social status and social behavior : an intervention strategy /

Wier, Anne Thayer, January 2001 (has links)
Thesis (Ph. D.)--University of Texas at Austin, 2001. / Vita. Includes bibliographical references (leaves 141-150). Available also in a digital version from Dissertation Abstracts.
92

Rejection concerns accentuate effects of thin-ideal images on women's body satisfaction

Chan, Hoi-kei, Gloria., 陳凱琪. January 2010 (has links)
published_or_final_version / Psychology / Master / Master of Philosophy
93

From vulnerability to resilience : multiple routes to social and self-acceptance as buffers of norm-based rejection sensitivity

Yip, Wai-kin, 葉煒堅 January 2014 (has links)
People with high norm-based rejection sensitivity have heightened anticipatory anxiety and expectation of rejection if they do not follow norms. Under threats of rejection (e.g., when personal preferences collide with group norms), they are more intended to conform to group norms to avoid social rejection (Poon et al., 2010). Thus, they are more susceptible to peer pressure for risk-taking behaviors and have less autonomy to make decision. Research also indicates that they derive their self-worth from external sources such as success in academic and work settings (Yip et al., 2009). Thus, they experience elevated anxiety for uncertain outcome and decreased self-esteem following failure. The purpose of the present research is to examine strategies that can alleviate the negative impacts of norm-based rejection sensitivity. Using a priming procedure, Study 1 experimentally examined the effects of promoting multiple routes to social acceptance. Participants of experimental group read stories of public figures who gained social acceptance through multiple routes such as ego strength and morals. Those stories reminded them that even if they did not follow group norms, they could still gain social acceptance through different virtues. After that, they indicated their reactions in some hypothetical scenarios involving threats of rejection and failure. As expected, those who read stories of public figures (vs. tourist spots) were less intended to conform under group pressure, more autonomous in deciding whether or not to conform, less anxious about the repercussions of non-conformity, and more inclined to expect social acceptance despite non-conformity. Since participants who read stories of public figures may still base their self-worth on social acceptance, Study 2 aimed to remind them that others’ approval was not required for one’s self-acceptance. Using the same priming procedure as Study 1, participants of experimental group read life stories of ordinary people whose self-worth was not contingent on others’ approval. Those stories could remind them that others’ approval was not required for one’s self-acceptance. Results showed that participants of experimental group were less intended to conform, more autonomous, and less anxious about the repercussions of non-conformity. Furthermore, they reported less decline in self-esteem following social rejection. In Study 2, those who learnt not to base their self-worth on others’ approval might be still susceptible to greater negative affect following failure in academic and work settings. Therefore, Study 3 went one step further to promote unconditional self-acceptance. Using the same experimental paradigm, participants of experimental group read a passage highlighting the idea that everyone is intrinsically valuable regardless of whether one is self-efficacious and popular. As expected, in additional to the aforementioned psychological benefits, participants being primed with unconditional self-acceptance were less anxious about failure, less likely to blame themselves for failure, and less likely to experience loss of self-worth following failure. The three experiments shed lights on the psychological mechanisms through which multiple routes to social acceptance and self-acceptance temporarily alleviate the negative impacts of norm-based rejection sensitivity. Further studies can examine whether continuous acceptance-based and mindfulness-based interventions have long-term benefits for people with high norm-based rejection sensitivity. / published_or_final_version / Psychology / Doctoral / Doctor of Philosophy
94

Trait self-esteem moderates the effect of initiator status on emotional and cognitive responses to romantic relationship dissolution

Waller, Katherine L., 1978- 18 July 2007 (has links)
Romantic relationship dissolution has been implicated in the onset of mood disorders (Monroe et al.,1999; Overbeek et al., 2003). It is therefore imperative that researchers and mental health professionals have an understanding of the factors that contribute to dysfunctional responses so as to assist vulnerable individuals with developing healthy strategies for coping with relationship dissolution. Prior research on the relationship between initiator status (i.e., who ended the relationship) and subsequent emotional distress has been mixed, with multiple researchers finding that a person's level of distress was unrelated to whether he or she ended the relationship. I hypothesized that the effect of initiator status on post-break-up distress would vary as a function of trait self-esteem such that individuals with low self-esteem would experience more distress after being rejected by their partners, whereas individuals with high self-esteem would be no more distressed after a rejection than after acting as the rejecter. I tested this hypothesis using two designs. First, I used a prospective, naturalistic design in which university students were assessed for emotional responses following the dissolution of their romantic relationships. Those who had self-reported lower trait self esteem at the outset of the study experienced higher levels of break-up-specific distress. On the other hand, those who had reported higher trait self-esteem did not exhibit differing distress levels as a function of who ended the relationship. This pattern was replicated in a laboratory design in which university students imagined breaking up with their partners. Participants with low trait self-esteem experienced more negative mood, reported lower state self-esteem, and evaluated themselves more negatively after a scenario in which they were rejected as compared to a scenario in which they rejected their partners. Participants with high self-esteem did not differ on any of these variables as a function of rejection condition. Results are discussed in terms of the theoretical implications for understanding self-esteem processes and the effects of romantic rejection. Implications for interventions for individuals with low self-esteem who are coping with romantic rejection are also explored. / Thesis (Ph.D, Psychology) -- Queen's University, 2007-07-12 12:36:26.478
95

Hungry for sour grape: brand rejection on brand desirability and preference

Sun, Daniel 22 August 2012 (has links)
Many niche and luxury brands build their strategies based on the notion that “people want what they can’t have.” Companies build their brand exclusiveness on brand rejection. While rejection may heighten one’s desire, it may also decrease one’s preference and enjoyment. In this study, we focus on the effect of brand rejection by exclusive brands on consumers: do consumers want a brand more but like it less when rejected by a brand and can this counter-driving be expanded to include peer brands? In two studies, we show that the counter-driving of want and preference is present when brand rejection comes from a legitimate source and expands to include peer brands but not non-peer brands. Our research makes novel theoretical contributions and provides important managerial implications. We offer suggestions for future research that may bring great interest and knowledge expansion in the field of consumer behaviour and branding.
96

Towards muscle-targeted gene therapy for diabetes mellitus

Shaw, James Alistair MacGregor January 2000 (has links)
No description available.
97

De novo donor-specific antibodies in renal transplantation

Wiebe, Chris 10 1900 (has links)
The natural history for patients with de novo donor-specific antibodies (dnDSA) and the risk factors for its development have not been well defined. Furthermore, clinical and histologic correlation with serologic data is limited. We studied 315 consecutive renal transplants without pre-transplant donor-specific antibody (DSA), with a mean follow-up of 6.2 ± 2.9 years. Protocol (n = 215) and for cause (n = 163) biopsies were analyzed. Solid phase assays were used to screen for dnDSA post-transplant. A total of 47 out of 315 (15%) patients developed dnDSA at a mean of 4.6 ± 3.0 years post-transplant. Independent predictors of dnDSA were HLA-DRβ1 MM > 0 (OR 5.66, p < 0.006); and non-adherence (OR 8.75, p < 0.001); with a strong trend toward clinical rejection episodes preceding dnDSA (OR 1.57 per rejection episode, p=0.061). The median 10-year graft survival for those with dnDSA was lower than the No dnDSA group (57% vs. 96%, p < 0.0001). Pathology consistent with antibody-mediated injury occurred and progressed in patients with dnDSA in the absence of graft dysfunction. Furthermore, non-adherence and cellular rejection contributed to both dnDSA development and the risk of progression to graft loss. (Human leukocyte antigen) HLA epitope matching is a novel strategy that may minimize dnDSA development. HLAMatchmaker software was used to characterize epitope mismatches at 395 potential HLA-DR/DQ/DP conformational epitopes for a subset of 286 donor–recipient pairs in which samples were available for high-resolution HLA-typing. Epitope specificities were assigned using single antigen HLA bead analysis and correlated with known monoclonal alloantibody epitope targets. Locus-specific epitope mismatches were more numerous in patients who developed HLA-DR dnDSA alone (21.4 vs. 13.2, p<0.02) or HLA-DQ dnDSA alone (27.5 vs. 17.3, p<0.001). An optimal threshold for epitope mismatch (10 for HLA-DR, 17 for HLA-DQ) was defined that was associated with minimal development of Class II dnDSA using a receiver operating characteristic analysis. Applying these thresholds, 0% and 2.7% of patients developed dnDSA against HLA-DR and HLA-DQ, respectively, after a median of 6.9 years follow-up. Epitope specificity analysis revealed that 3 HLA-DR and 3 HLA-DQ epitopes were independent multivariate predictors of Class II dnDSA when mismatched between the donor and recipient. HLA-DR and DQ epitope matching outperforms traditional low-resolution antigen-based matching and has the potential to minimize the risk of de novo Class II DSA development, thereby improving long-term graft outcome.
98

The effect of induced positive, negative and neutral mood on rejection sensitivity

Dillon, Tiara A. 22 May 2012 (has links)
Previous studies have demonstrated a moderate correlation between rejection sensitivity and depression. In a study of college females, researchers found that high levels of rejection sensitivity were associated with higher BDI scores following a partner initiated breakup (Ayduk, Downey, & Kim, 2001). Another study found that rejection sensitivity and depression are positively correlated for both males and females (Mellin, 2008). No studies to this date have examined the causal effects of depressed mood on rejection sensitivity, however. Cognitive theories would suggest that the relationship between the two may be reciprocal, with trait rejection sensitivity eliciting depression, but then the resulting depression priming individuals to be more sensitive to rejection. The current experiment investigates the causal effects of manipulated mood on levels of rejection sensitivity. Participants were 88 undergraduate students from a mid-sized Midwestern university. Participants were randomly assigned to experience a positive, negative, or neutral mood induction, using videos. Participants then completed the Positive and Negative Affect Schedule (PANAS-X), to check the effectiveness of the mood induction procedure, and then the Rejection Sensitivity Questionnaire (RSQ), to examine participants’ levels of rejection sensitivity. A one-way ANOVA on the PANAS-X scores indicated that the mood induction procedures were effective. Joviality scores were significantly higher in the positive mood group, than the neutral mood group, which were significantly higher than the negative mood group. Sad scores were significantly lower in the negative mood group than the neutral mood group, which were lower than the positive mood group. An ANOVA comparing RSQ scores was significant. Follow-up Tukey HSD tests indicated that participants in the positive mood group reported statistically lower levels of rejection sensitivity than those in the negative and neutral groups (who did not differ). Correlational analyses indicate that there is a significant positive correlation between PANAS Sad and RSQ scores (r = .258) and a significant negative correlation between PANAS Joviality and RSQ scores (r = -.257). These findings indicate that engaging in activities that elicit a positive mood (e.g., watching uplifting video clips) makes people feel good and allows them to develop different perceptions about social situations and rejection. It also provides support for the utility of positive psychology interventions. / Department of Psychological Science
99

Hungry for sour grape: brand rejection on brand desirability and preference

Sun, Daniel 22 August 2012 (has links)
Many niche and luxury brands build their strategies based on the notion that “people want what they can’t have.” Companies build their brand exclusiveness on brand rejection. While rejection may heighten one’s desire, it may also decrease one’s preference and enjoyment. In this study, we focus on the effect of brand rejection by exclusive brands on consumers: do consumers want a brand more but like it less when rejected by a brand and can this counter-driving be expanded to include peer brands? In two studies, we show that the counter-driving of want and preference is present when brand rejection comes from a legitimate source and expands to include peer brands but not non-peer brands. Our research makes novel theoretical contributions and provides important managerial implications. We offer suggestions for future research that may bring great interest and knowledge expansion in the field of consumer behaviour and branding.
100

Foetal pancreas transplantation in the rat

Garvey, J. F. W. January 1980 (has links)
No description available.

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