Sibship size, birth order, and personality

In a sample of 273 American college students who were administered seven personality tests, only death obsession scores were consistently associated with sibship size and birth order (not optimism, pessimism, anxiety, a Taoist orientation, suicidal ideation, or obsessive-compulsive tendencies).     

Lack of association of extraversion and neuroticism with sibship size and birth order among Arab college students

In a sample of 450 (220 men, 230 women) Egyptian undergraduates (M age=20.6 yr., SD=1.9), scores on extraversion and neuroticism scales were not associated with sibship size and birth order.     

Personality dimensions and religiosity among Kuwaiti Muslim college students

The aim of the present study was to examine the association between Eysenck’s personality dimensions and religiosity. A sample of 227 Kuwaiti Muslim undergraduates completed the Arabic versions of the Eysenck Personality Questionnaire, and the Muslim Attitude towards Religiosity Scale. Men obtained significantly higher mean scores on psychoticism than did their female counterparts and the effect size was medium. Religiosity significantly correlated with psychoticism (negative) and lie (positive) among men and women. In addition, religiosity significantly correlated with extraversion (positive) and neuroticism (negative) in women. The only predictor of religiosity was low psychoticism in men and women. The results were discussed in the light of religion of Islam. Most results of the present study reflect previous findings using participants from other religions.     

Anxiety in Kuwaiti and American college students

Samples of Kuwaiti (n=646) and American (n=320) undergraduates responded to the Kuwait University Anxiety Scale in Arabic and English, respectively. Differences by sex were significant, with women having a higher mean anxiety score than men and by country with Kuwaiti women having a higher anxiety score than American women.     

Testosterone and personality among college students and military veterans

Relationships of serum and saliva to personality were examined among 401 college students in four laboratory studies and 5,236 military veterans in one archival study. Among the students, there were few relationships between testosterone and traditional personality measures. Among the veterans, MMPI scores and DSM-III diagnoses showed testosterone related to drug and alcohol abuse, antisocial and generally intemperate behavior, and effective disorders. Consistent with social control theory, correlations were higher among veterans who were lower in socioeconomic status. It appears likely that testosterone has innate effects that are socially undesirable but can be attenuated by bonds between the individual and society. Effect sizes were small, suggesting that testosterone will have noticeable effects only in large populations or individuals who differ markedly from the population mean. Further research should focus upon antisocial correlates of testosterone and conditions that produce marked changes in testosterone levels.     

Love of life in Kuwaiti and American college students

In samples of 198 Kuwaiti and 158 American college students, the Love of Life Scale appeared to have good reliability. The American students obtained slightly higher scores than the Kuwaiti students.     

Intelligence, birth order, and family size

The analysis of the National Child Development Study in the United Kingdom (n = 17,419) replicates some earlier findings and shows that genuine within-family data are not necessary to make the apparent birth-order effect on intelligence disappear. Birth order is not associated with intelligence in between-family data once the number of siblings is statistically controlled. The analyses support the admixture hypothesis, which avers that the apparent birth-order effect on intelligence is an artifact of family size, and cast doubt on the confluence and resource dilution models, both of which claim that birth order has a causal influence on children's cognitive development. The analyses suggest that birth order has no genuine causal effect on general intelligence.     

Domain and facet personality correlates of religiosity among Iranian college students

The purpose of the present study was to examine the relation of religion, defined in terms of Islamic Shiite creeds/rituals, Islamic Shiite morals, inclusion of transcendence, and symbolic processing, to the five-factor model of personality at the domain and facet levels as measured by the Revised NEO Personality Inventory using a religiously homogeneous sample of 359 Iranian college students. Results indicated that all five Revised NEO Personality Inventory domains are significantly related to religion as measured across all four operationalizations of the construct used, though some sex differences were observed. Our findings support but also elaborate previous findings regarding the relation of Agreeableness and Conscientiousness to religion by demonstrating that facets of these domains are selectively associated with some indices of religion but not others. Angry Hostility was a negative predictor of Islamic morals. Warmth predicted Islamic creeds/rituals and Inclusion of Transcendence. Ideas was a positive predictor of symbolic processing and Islamic morals. Fantasy was a positive predictor of symbolic processing but a negative predictor of Islamic creeds/rituals and Inclusion of Transcendence. The present findings are in agreement with the necessity of considering multidimensional measures of religiosity and providing evidence in support of the construct validity of the Post Criticical Belief Scale and the Islamic Religious Orientation Scale. Implications of the present findings are discussed in relation to the differential and in some cases substantial association of religion indices with personality. Limitations of the study and suggestions for future research are also overviewed.     

Culture-specific personality correlates of anxiety among Chinese and Caucasian college students

The present study investigated the relationship between a set of personality constructs (i.e. perfectionism, independent-interdependent self-construal, and collective self-esteem) and trait and social anxiety among 324 Mainland Chinese and 333 Caucasian college students. It was hypothesized that the strength of the correlation between these personality factors and anxiety would be different for the two samples. The results indicated that socially prescribed perfectionism was a better predictor of social anxiety for the Chinese participants, but of trait anxiety for the Caucasian participants. Independent self-construal predicted social anxiety better for the Caucasians than for the Chinese. Overall, aspects of collective self-esteem were more correlated with anxiety among the Chinese than the Caucasians. The authors argued that the findings can be used to improve multicultural counselling in China and the USA and to provide more culturally specific interventions to clients having anxiety disorders.     

Comparative prevalence of isolated sleep paralysis in Kuwaiti, Sudanese, and American college students

A questionnaire measuring the incidence of isolated sleep paralysis was administered to 527 Kuwaiti, 762 Sudanese, and 649 American college students in what was the first study assessing the prevalence of isolated sleep paralysis in two Middle Eastern countries. Using the item "unable to move," 28.8% of Kuwaiti, 29.9% of Sudanese, and 24.5% of American participants reported experiencing the disorder at least once. When a second item, "pressure to the chest," was also used, the respective percentages were 19.2%, 20.7%, and 11.4%. With both criteria, the Kuwaiti and Sudanese had a significantly greater prevalence than did the American students. The Kuwaiti and Sudanese students did not differ significantly from each other in the percentage who reported the symptoms.     

Mother-blaming among college students

The purpose of this study was to examine the tendency for mother-blaming among college students to determine if such a bias existed outside the clinical profession. The subjects were 49 men and 50 women at a small private university, who were asked to attribute responsibility for 45 behavioral and personal-psychological problems to one of the following targets: Father, Individual, Mother, and Society. Analysis showed Individual receiving most attributions, followed by Society, Mother, and Father, in that order. Relatively more problems are blamed on Mother than on Father, with a tendency to blame mothers for emotional problems such as dependency and shyness and fathers for behavioral-physiological problems such as child abuse and alcoholism. Intercorrelations of the number of attributions made to different targets clearly suggest that there are parent-blamers, society-blamers, and individual-blamers. Implications of blame attribution for mental health are acknowledged.     

Resolving the debate over birth order, family size, and intelligence

Hundreds of research articles have addressed the relationship between birth order and intelligence. Virtually all have used cross-sectional data, which are fundamentally flawed in the assessment of within-family (including birth order) processes. Although within-family models have been based on patterns in cross-sectional data, a number of equally plausible between-family explanations also exist. Within-family (preferably intact-family) data are prerequisite for separating within- and between-family causal processes. This observation reframes an old issue in a way that can be easily addressed by studying graphical patterns. Sibling data from the National Longitudinal Survey of Youth are evaluated, and the results are compared with those from other studies using within-family data. It appears that although low-IQ parents have been making large families, large families do not make low-IQ children in modern U.S. society. The apparent relation between birth order and intelligence has been a methodological illusion.     

Screening of personality disorders among chinese college students by Personality Diagnostic Questionnaire-4+

Four thousand eight hundred and eleven students were sampled from 26 universities in 21 cities of China and evaluated using the Personality Diagnostic Questionnaire-4+(PDQ-4+). Results showed that male students obtained significantly higher scores than female students on paranoid, schizotypal, antisocial, narcissistic, passive-aggressive, and depressive personality disorder scales, and lower scores on the borderline scale. Students from rural areas scored higher than those from urban areas on the schizoid, schizotypal, narcissistic, avoidant, compulsive-obsessive, passive-aggressive, and depressive personality disorder scales, and lower on the paranoid and dependent scales. Singleton students obtained significantly higher scores than nonsingletons on paranoid, antisocial and dependent scales, and lower on schizoid, avoidant, compulsive-obsessive, passive-aggressive, depressive scales. Students from single-parent families scored significantly higher on the schizotypal scales; and students from foster families scored significantly higher on the antisocial, passive-aggressive, and depressive scales. Students from poor families scored significantly higher than those from average or wealthy families on schizoid, schizotyal, antisocial, borderline, narcissistic, avoidant, obsessive-compulsive, passive-aggressive, and depressive personality disorders. The results suggest that low family income, low social status, and parental style contribute to the development of personality disorders.     

Morning-evening type and stress-related personality in Japanese college students

An earlier report by Mecacci and Rocchetti showed a significant, weak, and positive correlation between Evening type as measured by the Morningness-Eveningness Questionnaire and Type A personality as measured by the Jenkins Activity Survey and the Bortner Type A Scale in Italian college students. The present study of 503 Japanese college students yielded a significant and weakly negative correlation. The bases for the different results were discussed in a psychophysiological context.     

Motives, involvements, and leadership among black college students

Thematic Apperceptive measures of achievement, affiliation, and power motives, together with consensual judges’ ratings for several clusters of attitudes, beliefs, and actions, and objective data on office-holding were obtained from thirty-eight Black undergraduate university students Overall, need for Power was related to holding office, being rated as influential, and participating in the Black Repertory Theatre. Among Northern-reared Blacks, need for Power related to ratings of activity in the extramural Black community and distrust of the System, among Southern-reared Blacks, need for Power and need for Achievement related to ratings of Pragmatism.     

Success and motivation among college students

The present research explores college students’ explanations of their success and failure in challenging activities and how it relates to students’ efficacy, value, and engagement. The results suggest most students hold one primary reason for success during the challenging activity, including grade/extrinsic, mastery/intrinsic, amotivation/working, social, and performance. These task reasons for success, if assumed to be goals, were more numerous than those suggested by goal theory. Task reason for success was important for engagement, intrinsic value, difficulty compared to others, and effort. As expected, engagement and intrinsic value were highest for those with mastery reasons but lowest for those in amotivation or those who succeeded because they made the grade. Unexpectedly, success was more important for motivation and experience of the activity. These results suggest that it is important to examine not only student goals, but also whether or not students reach their goals.