We study the emergence of conditional cooperation in the presence of both intra-group and inter-group selection. Individuals play public goods games within their groups using conditional strategies, which are represented as piecewise linear response functions. Accordingly, groups engage in conflicts with a certain probability. In contrast to previous studies, we consider continuous contribution...

The present paper contains a brief outline of my PhD thesis that is centered on the critical review of a certain number of basic topics and on the proposal of some formalized methods for the resolution of environmental conflicts. The paper describes the thesis and presents its foundations, its critical contributions and its main results and ends with some conclusions and a brief description of ...

The present paper contains a brief outline of my PhD thesis that is centered on the critical review of a certain number of basic topics and on the proposal of some formalized methods for the resolution of environmental conflicts. The paper describes the thesis and presents its foundations, its critical contributions and its main results and ends with some conclusions and a brief description of ...

In this study we propose that relationship specific investments reduce the likelihood of relationship dissolution. These types of investments increase switching costs and thereby create barriers towards exiting. Additionally, high levels of relationship specific investments enhance partners' ability and willingness to resort to voice when defections and conflicts arise, and hence postpone exit....

Despite the gradual increase of research on social conflicts, psychometric characteristics of social-conflict scales have not been extensively examined, especially in the adolescent population. In this study, the internal consistency, test-retest reliability, and criterion-related validity of 2 established social-conflict scales were examined in a sample of 581 Chinese adolescents. There were h...

This paper deals with the ways in which the psychological responses of renal transplant donors and recipients interfere with the developmental tasks of adolescence. The characteristic responses of donors and recipients in general are briefly reviewed. The special problems of the adolescent who has received a transplant from a parent are considered. Interference with the separation-individuation...

Is this question addressing an intervention/therapy, prognosis or diagnosis? Intervention/therapy State if this is a proposed new topic or revision of existing worksheet: new topic Conflict of interest specific to this question Do any of the authors listed above have conflict of interest disclosures relevant to this worksheet? No relevant conflicts of interest Search strategy (including electro...

The current study aimed to verify the effectiveness of a counseling program based on acceptance and commitment therapy (ACT) in ‎improving self-compassion among Palestinian female adolescents without parental care. sample consisted 18 ‎adolescent girls aged 13-14, who obtained lowest scores scale. They were divided randomly into two ‎groups, an experimental control group, each which included 9 ...