Perceptions of the Personalities of Namesaked Children as a Function of Their Sex and Birth Order.

One-hundred-seventeen participants rated hypothetical individuals on the "Big Five" personality traits, narcissism, intelligence, and creativity. Hypothetical individuals differed according to namesake status (named after a parent/relative or not), sex, and birth order. Namesaking interacted with both sex and birth order on ratings of many personality traits, but sex and birth order were stronger predictors of personality stereotypes than was namesaking. The results indicate that namesaking children may have implications for the expectations that others will have about their personalities, but the nature of these expectations will rely heavily upon the child's gender and birth order.

The selfish hero: a study of the individual benefits of self-sacrificial prosocial behavior.

Twenty-four same-sex, three-person groups (a confederate plus two naive participants) completed a "group decision-making study" in which the success of the group depended upon the willingness of one of its members (the confederate) to endure pain and inconvenience. The ordeal that the altruistic confederate endured was judged to be more difficult and costly than the experience of other group members, and the altruists were ultimately awarded more money and accorded higher status. In a second study, 334 undergraduates read a description of the procedures used in Study 1 and made judgments and monetary allocations to the hypothetical people described in the scenario. The concordance of the data in the two studies support a costly signaling, rather than a reciprocal altruism explanation for such "heroic" behavior.

Is self-sacrificial competitive altruism primarily a male activity?

This study explored the basis of self-sacrificial prosocial behavior in small groups. Seventy-eight undergraduates (39M, 39F) filled out a thirty-item personality scale and then participated in a "group problem-solving study" in which the monetary success of a three-person group depended upon one of its members volunteering to endure pain (a cold stressor test) and inconvenience (being soaked in a dunk tank). There were 13 groups consisting of two females and one male, and 13 groups consisting of two males and one female. Across groups, the behavior of the altruist was judged to be more costly, challenging, and important and he/she was liked better, rewarded with more money, and preferred as a future experimental partner. Groups containing two males showed more evidence of competition to become altruists than groups containing two females, and personality traits were more effective predictors of altruistic behavior in males than in females. We conclude that competition between males and "showing off" are key factors in triggering self-sacrificial altruistic behavior.

Beliefs about gender differences in methods and causes of suicide.

Forty undergraduate students (20 males, 20 females) made judgments about the relationship between an individual's gender and the method of suicide most likely to be chosen by that individual. The perceived relationship between different precipitating events for suicide and the method of suicide were also examined, as were the participants' judgments about the moral justification of suicide in response to different traumatic situations. The results indicated clear and consistent beliefs about the relationship between the gender of the potential suicide victim, the method of suicide likely to be chosen, and whether or not the cause of the suicide was judged harshly or sympathetically. Understanding how the gender of an at-risk individual interacts with an observer's beliefs and moral perspective should help us predict when suicide threats will be taken seriously and what form of intervention will take place.

Celebrities: From Teachers to Friends : A Test of Two Hypotheses on the Adaptiveness of Celebrity Gossip.

In this paper we present two compatible hypotheses to explain interest in celebrity gossip. The Learning Hypothesis explains interest in celebrity gossip as a by-product of an evolved mechanism useful for acquiring fitness-relevant survival information. The Parasocial Hypothesis sees celebrity gossip as a diversion of this mechanism, which leads individuals to misperceive celebrities as people who are part of their social network. Using two preliminary studies, we tested our predictions. In a survey with 838 respondents and in-depth interviews with 103 individuals, we investigated how interest in celebrity gossip was related to several dimensions of the participants' social lives. In support of the Learning Hypothesis, age proved to be a strong predictor of interest in celebrities. In partial support of the Parasocial Hypothesis, media exposure, but not social isolation, was a strong predictor of interest in celebrities. The preliminary results support both theories, indicate that across our life span celebrities move from being teachers to being friends, and open up a list of future research opportunities.

Guns, testosterone, and aggression: an experimental test of a mediational hypothesis.

We tested whether interacting with a gun increased testosterone levels and later aggressive behavior. Thirty male college students provided a saliva sample (for testosterone assay), interacted with either a gun or a children's toy for 15 min, and then provided another saliva sample. Next, subjects added as much hot sauce as they wanted to a cup of water they believed another subject would have to drink. Males who interacted with the gun showed significantly greater increases in testosterone and added more hot sauce to the water than did those who interacted with the children's toy. Moreover, increases in testosterone partially mediated the effects of interacting with the gun on this aggressive behavior.

How do we decide whom our friends are? Defining levels of friendship in Poland and the United States.

Participants were 57 U.S. college students and 56 Polish university students and copper mine workers who judged the intimacy of 9 hypothetical relationships and also rated the intensity of their relationships with a best friend, a friend, and an acquaintance on the Friendship Intensity Measurement Scale (FIMS; T. S. Arunkumar & B. Dharmangadan, 2001). The present results confirmed that people perceive (a) relationships with best friends as more intense and intimate than other friendships and (b) other friendships as more intense and intimate than acquaintanceships. The results also indicated that Americans perceive all of their relationships, ranging from mere acquaintanceships to intimate friendships, as more intense and intimate than do Poles. It was somewhat surprising that there were no sex differences in either country in the perception of relationships. The authors discussed the research in the context of the difficulty of defining what friendship is and how an individual's cultural background might interact with person variables such as age and sex.

Body shape ideals and perceptions of body shape in Spanish and American college students.

108 Spanish university students (55 men, 53 women) from the University of Barcelona and 111 American college students (51 men, 60 women) from a midwestern liberal arts college responded to Fallon and Rozin's 1985 figure drawings used to measure perceptions of body image. All students were between the ages of 18 and 24 years. Women viewed themselves as being significantly larger than men perceived themselves to be, and women also desired a significantly thinner body for themselves than did men. Overall, men were more satisfied with their body shapes and were more accurate than women in guessing what the other sex would perceive as most attractive. The minimal differences between Spanish and American students suggested that sex has a more powerful influence on perceptions of body shape than does cultural background.