The sibling uncertainty hypothesis: Facial resemblance as a sibling recognition cue

For the same reason that fathers could not have been certain their mates’ offspring were their genetic progeny during human evolutionary history, full siblings could not have been certain that they shared paternal genes. Previous kin recognition research suggests facial resemblance is a cue men use to help solve the adaptive problem of paternity uncertainty and identify their biological offspring. Facial resemblance may also be a cue individuals use to identify siblings who share paternal genes. In the current study, facial resemblance between siblings was hypothesized to be positively associated with their emotional closeness and altruism, and inversely related with their frequency of conflict. Within families, individuals reported greater closeness and altruism toward siblings who more closely resembled them. In contrast with previous offspring recognition research, the effects of resemblance were not sex-differentiated, suggesting that facial resemblance is a cue both sexes use in sibling recognition.     

The dramatic essence of the narrative approach

Even though it is not a methodology on the level of principlism or casuistry, narrative bioethics nonetheless contributes to and guides decision-making in the field of biomedical ethics. However, unlike other methodologies, the narrative approach lacks a set of specific patterns and formal rules for doing so. This deficiency leaves this approach more vulnerable to the influence of historical factors; in fact, the vital history of a person is made up of thousands of scenes, which one must select and group under different norms. Yet the historicity of narrative does not destroy its normative value; rather, it gives rise to a confluence of stories that contradict one another on the basis of their practical consequences. This problem is less severe in traditional cultures, where some stories take precedence over others according to the normative value conferred through the supposed authority of their sources. But it manifests in an intense manner within current multicultural societies. It is imperative to find the thread that leads outside the labyrinth of subjectivity. This paper shows that the end of this thread lies, paradoxically, not in actions but in the subject-actors that perform them—specifically when such subjects are conceived as dramaturgical characters in narrative.     

Perpetration of sibling aggression and sibling relationship quality in emerging adulthood

This study examined how emerging adults' perpetration of aggression toward a sibling closest in age was longitudinally associated with their sibling relationship quality. Emerging adults (N = 143; M_age = 19.62; 70% female) completed surveys online or by mail at two time points, 4 years apart. Of emerging adults, 25% perpetrated aggression against their closest‐in‐age sibling. Perpetration of sibling aggression was predictive 4 years later of less sibling warmth, involvement, and emotional help. None of the interactions with gender and sibling gender was significant. This study's findings demonstrate the importance of examining the consequences of perpetration of aggressive behavior toward a sibling for sibling relationship quality in emerging adulthood.     

Parental perceptions of sibling differences: towards a theory of sibling differentiation

A hypothesis of 'triadic and tetradic projective identification' is derived from work with nine cases in which family therapy was followed by psychodynamic counselling with the mother. It is suggested, first, that the dimensions of personality in which a parent perceives considerable difference between siblings may be linked to earlier traumatic issues experienced by that parent, especially in the family of origin; and, second, that siblings may identify with their parents' perceptions of difference, leading to differential development.
Case material is used to illustrate the ideas and a small pilot study of six different families is described, which tests a key element of the hypothesis - that personality dimensions in which a parent perceives most difference between siblings will relate more strongly to parental problem areas than dimensions in which a parent perceives least difference between siblings.
Findings give preliminary support to the hypothesis and proposals for further work are presented.     

Guilt and self-sacrifice: The plight of the better-off sibling

In this article, the experience of guilt and its behavioral sequelae, self-sacrifice, in the lives of certain therapy clients is explored. Subjects are adults who perceived as children that they were more gified in some area critical to their parents' values than was a sibling. These clients were successful children, but have come to therapy unsuccessful in some crucial area of their adult lives. Their sibling relationship was of primary importance to them. The relationship was very relevant to the lack of adult success they had experienced. Theory is developed to explain this phenomenon, and illustrative case examples are presented and suggestions are made for treatment.     

Older sibling correlates of younger sibling drug use in the context of parent-child relations

The purpose of this study was to examine older brother correlates of younger brother drug use in the context of parental influences and younger brother personality. The sample consisted of 278 White male college students and their oldest brothers, who volunteered to answer self-administered questionnaires. Results indicated that 3 domains of influence each had an independent impact on younger brother drug use: (a) parent-younger brother relationships and parent drug use, (b) older brother-younger brother relationships and older brother drug use, and (c) younger brother personality. Modeling of nondrug use and a strong attachment relationship in the parent-younger brother and sibling dyads, as well as younger sibling traits of conventionality, had strong links to low younger brother drug use. Our findings highlight the importance of modeling and mutual parent-child attachment relationships as well as sibling relationships as they relate to the possible etiology of drug use.     

The effect of suspense and its resolution on the appreciation of dramatic presentations

In a factorial design, degree of suspense (low, intermediate, high) of an adventure presented audiovisually was varied with resolution of the suspense (resolved, lingering). The variations were accomplished by producing different versions of the same program. Appreciation of the presentation was measured in the viewers' facial displays, in structured interviews, and in ratings. Consistently across measures, it was found that under conditions of resolved suspense, appreciation substantially increased with degree of suspense. Under conditions of lingering suspense, appreciation also increased with degree of suspense but to a significantly smaller extent. Excitatory responses were measured in skin temperature and heart rate. A significant differentiation of heart rate as a function of degree of suspense was observed. In addition, both skin temperature and heart rate disclosed sudden declines in excitation with the effective resolution of suspense.     

The family of the severely handicapped child: the sibling perspective

The presence of a severely handicapped child is a source of prolonged crisis and stress for the child's family. Parents may redefine their roles and develop coping strategies aimed at responding to the needs of the handicapped child but which may hamper the development of well siblings. Two cases of siblings of severely handicapped children who developed adjustment difficulties are presented and discussed from a family system perspective.     

Parental beliefs about managing sibling conflict

This study examined the correspondence between parents' beliefs about the most effective ways to manage sibling conflict and their responses to their children's spontaneous sibling conflicts. Eighty-eight 2-child, 2-parent families participated in 3 home sessions. Second-born children were 3-5 years old, and firstborn children were 2-4 years older. Parents' use of a particular conflict management strategy was based, in part, on their perception of how effective the strategy was and how well they could carry out the strategy. For example, mothers' use of child-centered strategies was predicted by their belief that parental control strategies were ineffective. Fathers' use of control strategies was predicted by their low confidence in enacting child-centered techniques. Although both mothers and fathers perceived child-centered and control strategies as more effective than passive nonintervention, parents engaged in passive nonintervention most often.     

Longitudinal direct and indirect pathways linking older sibling competence to the development of younger sibling competence

A 4-wave longitudinal model tested direct and indirect links between older sibling (OS; M = 11.7 years) and younger sibling (YS; M = 9.2 years) competence in 152 rural African American families. Data were collected at 1-year intervals. At each wave, different teachers assessed OS competence, YS competence, and YS self-regulation. Mothers reported their own psychological functioning; mothers and YSs reported parenting practices toward the YS. OS competence was stable across time and was linked with positive changes in mothers' psychological functioning from Wave 1 to Wave 2. Mothers' Wave 2 psychological functioning was associated with involved-supportive parenting of the YS at Wave 3. OS Wave 2 competence and Wave 3 parenting were indirectly linked with Wave 4 YS competence, through Wave 3 YS self-regulation. Structural equation modeling controlled for Wave 1 YS competence; thus, the model accounted for change in YS competence across 3 years.