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121.
Marco Del Giudice 《Multivariate behavioral research》2013,48(4):571-573
In a previous paper (Del Giudice, 2017 [Heterogeneity coefficients for Mahalanobis' D as a multivariate effect size. Multivariate Behavioral Research, 52, 216–221]), I proposed two heterogeneity coefficients for Mahalanobis' D based on the Gini coefficient, labeled H and EPV. In this addendum I discuss the limitations of the original approach and note that the proposed indices may overestimate heterogeneity under certain conditions. I then describe two revised indices H2 and EPV2, and illustrate the difference between the original and revised indices with some real-world data sets. 相似文献
122.
Roger J. Ingham Yuedong Wang Janis C. Ingham Anne K. Bothe Scott T. Grafton 《Brain and language》2013
Developmental stuttering is known to be associated with aberrant brain activity, but there is no evidence that this knowledge has benefited stuttering treatment. This study investigated whether brain activity could predict progress during stuttering treatment for 21 dextral adults who stutter (AWS). They received one of two treatment programs that included periodic H215O PET scanning (during oral reading, monologue, and eyes-closed rest conditions). All participants successfully completed an initial treatment phase and then entered a phase designed to transfer treatment gains; 9/21 failed to complete this latter phase. The 12 pass and 9 fail participants were similar on speech and neural system variables before treatment, and similar in speech performance after the initial phase of their treatment. At the end of the initial treatment phase, however, decreased activation within a single region, L. putamen, in all 3 scanning conditions was highly predictive of successful treatment progress. 相似文献
123.
Ruvanee P. Vilhauer 《Psychology & health》2013,28(6):781-797
The objective of this study was to explore the experiences of women with metastatic breast cancer (MBC) in mixed-stage and stage-specific groups. Interpretative phenomenological analysis (IPA) was used to examine 15 interviews from eight women with MBC. The interviewees felt that their experiences were very much different from those of women with primary breast cancer (BC), because of their different prognoses. In mixed-stage groups, the interviewees described feeling silenced, marginalised and helpless. They did not receive support in these groups because survivors of primary BC are often afraid to face the idea of metastasis. In stage-specific MBC groups, on the other hand, women were able to talk openly and were understood by others with whom they identified. They became more informed about issues related to their illness. Seeing others living well despite MBC made them feel more hopeful. Although there are some disadvantages of participating in stage-specific groups, the findings suggest that, overall, stage-specific groups are more helpful to women with MBC than mixed-stage groups. These findings have implications for the provision of group support for this population. 相似文献
124.
This article describes the possible impact of emotional intelligence on identity negotiation of a racial minority group in a majority school context. The study investigated the adjustment and functioning of racial minority groups in majority school contexts, as well as the identity negotiation associated with it, and determined whether there is a correlation between the former and the Emotional Intelligence (EI) of the participants. Participants were 16 black and 21 white learners attending two schools where they were in the minority (mean age = 16.23 years; SD = 1.49 years). The learners attended Grades 9–12. Data were first organised, after which themes and patterns were identified, and the data appraised and categorised (Creswell, 2007), after which a comparison was drawn between the identified categories of existing knowledge. Findings suggest that racial integration in both high schools actually occurred in name only; most participants chose to mingle within their own racial groups and the black participants in particular were exposed to racism, discrimination and prejudice on a regular basis. Despite the necessary steps taken and implemented by government in order to oppose racism in the country and promote racial integration in schools, it seems that the consequences of apartheid remain for the foreseeable future. 相似文献
125.
The study investigated the relationship between employees’ experience of performance management and work engagement. Participants were a convenience sample of employed adults (N=202; females=59%, middle management?=?48%, White?=?54%, tenure more than 9 years?=?48%) in an organisation in the vehicle and asset-based finance industry. They completed the Performance Management Questionnaire (PMQ) and Utrecht Work Engagement Scale (UWES). Multiple regression analysis was used to determine the proportion of variance of work engagement that is explained by employees’ experience of performance management. Results revealed that only empowerment significantly predicted work engagement. These findings suggest that when employees experience performance management as empowering, they are also likely to have higher levels of work engagement. 相似文献
126.
This study investigated the influences of social comparisons on group polarization in decision making among members of selected Kenyan secondary school disciplinary panels. Ten participants from 10 selected secondary school disciplinary panels were involved. Semi-structured interviews were used to collect qualitative data on the experiences of the participants regarding the influences of social comparisons on their decision-making behaviours during participation in their schools’ disciplinary hearing meetings. The results revealed that in the dynamic interactions among disciplinary panel members during disciplinary hearing meetings, the panel members engaged in social comparisons among themselves, leading to their shifts in decision-making behaviours in favour of consensus in group decisions or group polarization in decision making. 相似文献
127.
Japie R. de Villiers 《Journal of Psychology in Africa》2013,23(3):405-412
This study investigated the relationship between leader-member exchange, role clarity, psychological empowerment, engagement and turnover intention within a financial institution in South Africa. A cross-sectional survey design was used. A convenience sample (N = 278) was taken (males =31%, females =60%; 88% younger than 35 years; 57% with 2–5 years service) from the total population (N = 889). They completed the Leader-Member Exchange Questionnaire (Liden, Wayne, & Stilwell, 1993) Role Conflict and Ambiguity Questionnaire (Rizzo, House, & Lirtzman, 1970), Measuring Empowerment Questionnaire (Spreitzer, 1995), Engagement Questionnaire (May, Gilson, & Harter, 2004) and Intention-to-leave Scale (Sjöberg & Sverke, 2000). A path model was tested with SPSS to determine the relationships of the variables. Furthermore, a theoretical model was tested through the use of structural equation modelling (Arbuckle, 2008). The latent variables included LMX (consisting of two parcels), role clarity (consisting of two parcels), psychological empowerment (consisting of four variables, namely meaning, competence, impact, and self-determination), work engagement (consisting of two parcels), and turnover intention (a manifest variable). Role clarity mediated the relationship between leader-member exchange and psychological empowerment, while psychological empowerment mediated the relationship between role clarity and work engagement as well as turnover intention. Leader-member relations lead to better understanding of roles, while role clarity empowers and engages employees. 相似文献
128.
In this paper we explore the impact of emotional dynamics in the field of community psychology and the value of psychodynamic concepts in making sense of this. Emotional processes have often not been very well acknowledged or conceptualized in writing in the area of community psychology practice. This neglect is understandable given the individualizing, pathologizing and medicalizing assumptions underlying many psychological theories of emotion. Psychodynamic ideas may, however, make a useful contribution to understanding central concerns in community psychology in so far as they are able to shed light on emotional processes in groups, the political determinants of emotional response and the emotional dynamics of power, which are all central to the thinking of community psychologists. Using examples drawn from a long-term programme of consultation to community-based services in South Africa, we explore the potential of psychoanalytic understandings of emotional processes in illuminating some of the complexities and challenges faced in developing effective community partnerships and working towards the empowerment of communities. 相似文献
129.
Abstract This paper is based on the authors' experiences of conducting short-term psychodynamic group therapy with university students. The therapy groups focus on common problems among the members, i.e. perfectionism, procrastination, and fear of graduation. Working on their dependency and on their inadequate separation from parental figures typically helps the students cope more creatively with their academic problems. The paper explores technical questions and possible advantages in working within a short time frame using a group analytic approach. 相似文献
130.
《Journal Of Applied School Psychology》2013,29(2):85-91
No abstract available for this article. 相似文献