Type A behavior and emotional responses to uncertainty: A test of the self-appraisal model

The self-appraisal model of Type A behavior holds that Type A's desire an accurate appraisal of abilities, and respond to uncertainty about abilities with exaggerated attempts to generate diagnostic information. The model also predicts that the major emotional response to uncertainty for Type A's is anxiety. In this study, Type A's and B's were induced to succeed or fail on a task where they were either very certain or very uncertain of their subsequent ability levels. Task failure produced greater depression, anger, and frustration for all subjects. Consistent with the self-appraisal model's prediction, uncertainty (regardless of success or failure) led to greater anxiety for Type A's than for Type B's. In fact, greater uncertainty produced lower anxiety for Type B's, indicating that Type A's and B's differ dramatically in their emotional responses to uncertainty about abilities.     

Divorce in the kibbutz: Past and present

In the kibbutz today, there are no ideological or economic barriers to prevent a couple from deciding to divorce. Both husband and wife are assured continued economic security and equal opportunities for co-parenting, thus reducing fears of disruption in the daily contact with the children. In spite of these favorable circumstances, marital breakups in the kibbutz are less frequent than in the larger cities in Israel. In recent years, however, at a time when a stronger and more intensive family life has gained legitimacy within the kibbutz structure, there is a marked tendency toward a rise in the rate of divorce. In this article we analyze the possible causes of the variations in the frequency of divorce within the kibbutz framework.The authors express appreciation to Esther Mivtzari, a psychologist on the staff of the Kibbutz Child and Family Clinic and a member of the religious kibbutz Ein-Tzurim, for assistance in gathering data on divorce in the religious kibbitzum.     

Mediating Effects of Perceived Personal Control in Coping With a Health Threat: The Case of Genetic Counseling1

The potential impact of perceived personal control on coping with a medical threat was investigated in genetic counseling, a clinical setting where issues of personal control are central. Data were collected from 72 counselees at a genetic clinic before, immediately after, and 1 month after initiating genetic counseling. Findings supported the hypothesized mediating model. Higher perceived control (cognitive-interpretive and decisional) and satisfaction with genetic counseling mediated between genetic counseling and the use of less emotion-focused coping strategies. Problem-focused coping was predicted only directly by counselees' knowledge of their problem after genetic counseling. Changes in emotion-focused coping were related to perceived increases in positive affect 1 month later, while changes in use of problem-focused coping were related to perceived decreases in both positive and negative affect.     

Fractal geometry—The case of a rapid career

The first fractal constructions appeared in mathematics in the second half of the 19th century. Their history is divided into two periods. The first period lasted 100 years and is a good example of the method of proofs and refutations discovered by Lakatos. The modern history of these objects started 20 years ago, when Mandelbrot decided to create fractal geometry, a general theory concentrated on specific properties of fractals. His approach has been surprisingly effective. The aim of this paper is to examine the reasons for Mandelbrot's success and for the present popularity of fractals. They are now known not only in mathematics but also in many fields of natural, social and applied sciences, and even in the arts.     

Sequencing of behaviors in Aplysia fasciata: integration of feeding, reproduction, and locomotion.

To begin studying the neural basis of higher-order decision-making in Aplysia fasciata, we examined individual bouts of behavior in various conditions of access to food and/or mates. We then determined rules governing transitions between bouts. The data indicate that a single intermediate condition, moving in place, may be centrally related to transitions between behaviors. In all conditions, over 85% of all transitions between behaviors were via moving in place. Moving in place tended to precede and follow other categories of activity (crawling, swimming, immobile), and feeding. Also, moving in place apparently represents a fixed proportion of all bouts of behavior. In each condition, moving in place represented approximately 40% of all bouts, while the number of bouts of other behaviors varied markedly. After a bout of moving in place there was a strong tendency for the animal to return to the behavior performed before moving in place. Additional preferred sequences of behavior were also seen. Courtship tended to precede mating, and crawling preceded swimming.     

Effects of conspecifics on feeding in Aplysia fasciata

The presence of other Aplysia in the environment increases the time spent feeding. This finding is consistent with the hypothesis that a common arousal mechanism modulates feeding and reproductive behaviors. The arousal level is presumably increased by pheromones released by additional animals.     

The effects of exposure to political and domestic violence on preschool children and their mothers

The purpose of this study was to examine the effects of exposure to political violence on preschool children and their mothers. We explored whether these dyads are different from dyads with no known history of exposure to violence and from mother–child dyads with known exposure to domestic violence. Specifically, we explored differences in mothers' psychological status (depression and anxiety), dyadic emotional availability (EA), children's social information processing, and children's social behaviour, in a sample of 216 dyads divided into three groups (exposure to political violence, no exposure to violence, and exposure to domestic violence). We found evidence to support our hypotheses that children exposed to domestic violence exhibit the highest levels of social maladjustment with smaller but still significant differences between children exposed to political violence and children in the comparison group. As expected, the lowest EA scores were found in the exposure to domestic violence group, followed by dyads in the exposure to political violence group. Dyads belonging to the comparison group (no exposure) exhibited the highest levels of EA. These findings contribute to our understanding of the meaning of exposure to political violence, as well as sharpen the difference between exposure to political and domestic violence.     

Depth as Nemesis: Merleau-Ponty’s Concept of Depth in Phenomenology of Perception,Art and Politics

Human Studies - The concept of depth is central to Merleau-Ponty’s phenomenology and informed not only his philosophy of perception but also his thinking about psychology, art and politics....     

Jewish-Arab violence: perspectives of a dominant majority and a subordinate minority

In 2 studies, the authors investigated intergroup violence as perceived by Israeli Jews and Israeli Arabs. University and junior high school students judged Jewish-Arab clashes, which ended in shots fired at a crowd of either Jewish or Arab demonstrators. The authors hypothesized that judgments of these shootings would be contingent on 3 variables: the origin of the respondent, the origin of the shooter, and the level of danger to the shooter. The results tended to support those hypotheses: (a) Both Jewish and Arab respondents justified shootings by members of their own group more readily than those by members of the other group. (b) Jewish judgments of violence were associated more closely than Arab judgments with the danger that the demonstrators posed to the shooter. (c) The Jewish respondents referred to self-defense more often than did the Arab respondents to justify their judgments, whereas the Arab respondents referred more often to intergroup considerations. Those differences may reflect the disagreement between the majority and the minority on the issue that each group should take into consideration in cases of international violence.