Payoff expectancies between contingent serial moves of victim and aggressor in three hypothetical conflict situations

The expectancies of payoffs in the contingent serial interactive moves between victim and instigator, from the point of view of the victim, were measured for three hypothetical confrontations: someone pushes ahead of you in a movie line; a driver of a car takes a parking space you felt was yours; or you are the object of a rape attempt. These situations differ in urgency, and in the likelihood of success if there is resistance to the instigator. Expectations of persons were elicited as to their response to the particular aggressive act, the counter-response then expected of the instigator of the attack, and the subsequent contingent responses of each of the two persons, victim and instigator, until one or the other withdrew. The results show, in general, different payoffs at each interactive point over the ongoing serial stages in a situation, rather than an overall generalized contingency expectation, with these being different for self and the symbolized other, and also different for the three situations. Personality and sex-role measures showed minimal relation to the expectancies, and then not at the opening of the conflict, and for the instigator's rather than for the victim's expected responses.     

Effects of early exposure to mating on adult sexual behavior in male mice varying in their genetic disposition for aggressive behavior

This study examined whether the sexual behavior of adult male mice is influenced by exposure in early postnatal life to brief episodes of mating. Another focus of interest was the interplay between a genetic disposition for aggressive behavior and the early exposure experiences. The subjects used in the study were male mice of the fiftysixth generation of selection for high (Turku aggressive, TA) and low (Turku non-aggressive, TNA) levels of aggressiveness. Moderately aggressive males of the parental strain (normal, N) were also used. Subjects of each strain were exposed from 21 to 32 days of age to mating mice behind a wire mesh screen. Control subjects were placed in a comparable enclosure, but were exposed to nothing. The results showed that male mice exposed to mating early in life showed a higher rate of activities in the sexuality tests, including aggressive responses. A genetic potential for aggressive behavior was related to a higher degree of sexual activity, and the early exposures optimized the hereditary attributes. The relation between sexual and aggressive behavior is discussed. © 1994 Wiley-Liss, Inc.     

Social overstimulation reduces subsequent aggression in Betta splendens

This paper examines the waning of intense aggressive behaviors in Siamese fighting fish subjected to continuous visual social stimulation. Damaging biting during subsequent fighting was dramatically reduced in fish which had been surrounded for several weeks by conspecifics, even though the overstimulated fish performed only opercular and fin displays to the fish surrounding them, not biting. The latency to opercular display was diminished, but the rate once opercular display began was not significantly different. In the 18 encounters observed, a socially overstimulated fish never dominated a control fish. This result suggests a visually mediated mechanism, which reduces biting tendency when there is prolonged, inescapable visual exposure to mildly aggression-releasing stimuli similar to those which trigger biting in live encounters. © 1994 Wiley-Liss, Inc.     

Anger proneness in women: Development and validation of the anger situation questionnaire

In the present series of studies existing hostility and anger trait questionnaires were examined. We found them to be unsuitable for our subjects and purpose, A new questionnaire based on novel principles, the Anger Situation Questionnaire (ASQ), was developed to measure anger proneness in women. The ASQ consists of 33 vignettes or scenarios, Each vignette has three dimensions: emotional experience, intensity of emotional experience, and action readiness mode. The ASQ was administered to 146 female students. Out of this sample two extreme groups were selected of 30 subjects each: one group scoring low on self-reported anger and angry readiness, the other group scoring high on both aspects. An anger-induction paradigm was developed consisting of essentially three elements: a physically aversive situation, the performance of some frustrative tasks, as well as an unpleasantly acting female experimenter. The ASQ was validated in this paradigm: subjects scoring high on the ASQ became more angry due to these manipulations; moreover, in most of the subjects at one moment or another a state of anger was induced. © 1994 wiley-Liss, Inc.     

Aggression among university employees

Harassment among university employees (n = 338; 162 males, 176 females) was investigated by help of the Work Harassment Scale (WHS), developed for the study. Nineteen cases of severe victimization by harassment were interviewed. Subjectively experienced symptoms of depression and anxiety were estimated with two subscales form SCL-90 [Derogatis LR, Lipman RS, Covi L (1973): Psychopharmacology Bulletin 9: 13-28] and aggressiveness was measured with the Buss-Durkee Inventory [Buss A, Durkee A (1957): Journal of Consulting Psychology 21: 343–349]. Females experienced themselves as significantly more harassed than men. Position was related to harassment: individuals in superior positions harassed more often than individuals in subordinate positions. Less victimization by harassment was experienced among individuals involved in research and teaching than among individuals involved in administration and service. The experienced reasons for harassment were predominantly envy and competition about jobs and status. In 25% of cases, victims felt that their sex might be a reason. Victims of harassment experienced higher levels of depression, anxiety, and aggression than others. The interviewed cases showed evidence of symptoms reminiscent of the post-traumatic stress disorder (PTSD). © 1994 Wiley-Liss, Inc.     

Women's aggression in heterosexual conflicts

Using a longitudinal design, prior experience with violence as a victim and opportunity to aggress were examined as predictors of college women's verbal and physical aggression toward romantic partners. Five additional categories of predictors identified in previous research (experienced and witnessed parental aggression during childhood, attitudes accepting of aggression, aggressive/impulsive personality attributes, psychopathology, and prior use of aggression) were also examined. Blockwise hierarchical regression analyses were performed to reveal the best predictors of verbal and physical aggression during the first year of college. Significant predictors of verbal aggression were prior use of verbal aggression in heterosexual conflicts during adolescence, witnessed parental aggression, level of adolescent sexual victimization, being a target of rational conflict strategies during adolescence, and use of physical aggression in romantic adolescent relationships, as well as self-reported verbal aggression as an index of personality, weak emotional ties, number of sexual partners, and approval of sexual intimacy in many types of relationships. Significant predictors of physical aggression were prior use of physical aggression during adolescence, witnessing and experiencing parental aggression, being a victim of physical aggression in adolescent romantic relationships, weak emotional ties, low levels of alcohol/drug use, and opportunity to aggress. A developmental model of aggression in which childhood experiences with family violence contribute to the likelihood of subsequent involvement in relationship violence seems appropriate. Past experience with aggression may be particularly important for women. Cultural expectations about women's roles do not provide the social support for female aggression that is provided for male aggression. Adolescent sexual victimizations and general involvement in conflictual relationships (as target and perpetrator) predicted subsequent verbal aggression, whereas experiencing family violence and sustaining physical aggression in romantic relationships predicted subsequent physical aggression. © 1994 Wiley-Liss, Inc.     

What is aggressive? some contextual factors in judging international behavior

This research delineates several factors that may affect how likely observers are to judge some international actions as aggressive. Subjects rated scenarios in which a country intercedes in the affairs of another country experiencing internal or external difficulties. Judged to be more aggressive, as hypothesized, were actions in which it was “they” rather than “we” who were responsible, actions capable of causing injury or death, and actions carried out for a country's own self-interest. There were also unpredicted subtleties of judging international behavior. The results are considered from the perspective of recent contextualist theorizing.     

Laboratory and field observations of attack by the red wood ant Formica lugubris Zett. On Formica cunicularia Latr. (Hymenoptera: Formicidae)

Attack by red wood ants (Formica lugubris Zett.) on an “alien” species (Formica cunicularia Latr.) was analyzed both in the laboratory and in the field. Elements of such attack were recorded. Attack and conflict were observed in each encounter and follow immediately after the first contact. This overt attack was vigorous and generally led to the death of the alien. Laboratory data were confirmed by field observations, although under these conditions aggressiveness of F lugubris appeared increased possibly because of the animal's familiarity with its surroundings.     

Serum cortisol,testosterone, and testosterone-binding globulin responses to competitive fighting in human males

Levels of circulating cortisol, testosterone, and testosterone-binding globulin were measured in 15 male wrestlers in relation to wrestling bouts and their outcomes. Concentrations of cortisol and testosterone increased consistently during wrestling bouts, while levels of testosterone-binding globulin dropped. Winners of competive matches showed greater increases in both cortisol and testosterone than losers. These findings indicate that humans, like other social mammals, may undergo specific endocrine changes in response to victory or defeat.     

Some characteristics of the aggressive behavior of mice after prolonged Isolation: Intraspecific and interspecific aspects

Experiments on mice have demonstrated changes in the relationships, interdependence and sequence of behavioral items following prolonged isolation. It was found that aggression in isolates was stereotyped and hardly amenable to the control not only by intraspecific but also by interspecific factors. Isolated mice, in contrast to the group-reared animals, spontaneously attacked adult rats. This finding was interpreted as being due to a disruption of behavioral plasticity under circumstances of prolonged isolation from conspecifics.