Type A Behavior and Stress in College Males

Substantial inconsistency can be noted among studies that have considered the relationship between Type A status and subsequent cardiac pathology. This erratic prediction pattern could be partially explained by the failure to consider level of stress in Type As, because only Type As that experience excessive and sustained stress should be at special risk. A stress-vulnerability model for young Type A college students was proposed involving selected Type A characteristics and other personality moderator variables serving to elicit, augment, and sustain stress. We considered self-preoccupation as a stress moderator in Type A college males and found evidence that k serves this function. Self-preoccupied Type As reported excessive stress over the previous year, whereas less self-centered Type As did not. Self-preoccupation was of no importance in moderating stress in Type Bs.     

Type A personality, self-control, and vulnerability to stress

Type A behavior (hard-driving, competitive, time-urgent, hostile-irritable) has been linked to high stress levels and the risk of eventual cardiovascular problems (i.e., coronary heart disease, CHD). However, this pattern of behavior closely resembles the traditional masculine instrumental (goal-oriented) orientation, and, if kept within limits, may be viewed as adaptive in success-oriented, middle-class college students. Hypothetically then, Type A behavior may be displayed by a broad group of individuals, and only in those cases when it is allowed to reach extreme proportions is stress sufficient enough to confer risk. This article considers two lines of reasoning. Is greater self-control required for college women to be Type As, because it involves crossing into traditional male role behavior? Type A women displayed significantly better self-control then Type B women; the opposite result was disclosed for college men with Type As displaying poorer self-control than Type Bs. The question of whether risk-conferring Type A behavior would result from poorer self-control was answered in the affirmative. Self-control assumed moderator status; poorer self-control in both male and female Type As was associated with high levels of day-to-day stress relative to Type As with better self-control. Self-control did not influence stress level in Type Bs. This moderator effect suggests that only Type As who cannot contain their behavior within adaptive limits will be vulnerable to excessive stress and at risk for CHD.     

Type A, locus of control, and stress: another case in point

It has been recommended that a stress measure be included in studies seeking to clarify the Type A behavior pattern to identify moderator effects. This was tested, and a stress-moderating effect of externality among Type As was found along with the absence of relation between Type A status and locus of control.     

Self-report measurement of type A behavior: toward refinement and improved prediction

Self-report measures of Type A personality receive wide research usage despite mounting evidence that they are poor predictors of coronary heart disease. It was proposed that the limited prediction results in part from the failure to restrict measurement to only those Type A characteristics that are demonstrably related to excessive stress. The first study in this article reports a factor analysis of all items on the Jenkins Activity Survey (JAS), the most popular Type A questionnaire, along with 25 stress symptoms. Self-ratings were obtained from both male and female college students. Only one stress-related factor emerged including 12 JAS items out of 44. These were relevant to (a) hard-driving and competitive, (b) time-urgent, and (c) hostile/irritated characteristics. Study 2 reports correlations of +.50 and +.43 between the stress-relevant JAS items and stress for new samples of female and male college students. Study 3 considers the broader personality correlates of scores on the stress-relevant Type A items and reports markedly different patterns for male and female college students. Predicted correlations were found on new samples between these personality correlates, considered as scales, and stress-relevant Type A scores and stress.     

Sex role correlates of stress-prone type a behavior in college students

This study considered the direct and interactive relationships between three sex role variables and Type A/Type B behavior in college students of both sexes. As predicted, Type A college women were more masculine than Type B controls; Type A females were not less feminine, however, as had been expected. No relationship was found between masculine or feminine sex role behavior and Type A status in college men, consistent with the results of an earlier study. Both male and female Type As revealed weaker gender schemas than Type B controls. Analysis of the conjoint variation of all three sex role components revealed no relationships for either Type A or Type B men. Type A women presented an unusual asynchrony between these components in light of the expected positive relation between stereotyped sex role identity (femininity) and sensitivity to stereotyped differences between women and men (strong gender-schematic processing). Nontraditional female Type As, who were more masculine than feminine, demonstrated strong gender schemas. Traditional female Type As, more feminine than masculine, displayed weak gender schemas. Type B women did not display these unusual sex role linkages.     

Stress effects on affiliation preferences among subjects possessing the type A coronary-prone behavior pattern

An experiment tested the hypothesis that when subjects who display the Type A coronary-prone behavior pattern are placed under stress, they prefer to wait for the stressful event with others, but desire to work under stress alone. One half of 25 Type A and 25 Type B (non-coronary-prone) subjects were told that they would receive painful electric shock while working on a mental task, while the other one half were told that they would receive subliminal stimulation. Both groups were then given the choice of waiting for the event with others or alone and the choice of working on the task alone, in the company of others, or in a leader-directed group. The results showed that Type As relative to Type Bs tended to wait in the company of others regardless of threat level, but displayed a marked preference to work alone under high threat. This decision to work alone was not influenced by waiting preference. Subsequent correlational studies showed that coronary patients (n = 40) reported a greater preference for working alone when under pressure than matched controls (n = 40), as did Type A college students (77% vs. 14% for Type Bs) when asked their preference within the context of the structured interview that is used to assess the Type A pattern. The significance of the findings for increasing the understanding of affiliative preferences and coronary-prone behavior are discussed.     

Type A Behavior and Diabetic Control: Implications of Psychological Reactance for Health Outcomes1

According to laboratory research, Type A coronary-prone individuals are sensitive to threats to their personal control and react to such threats with active and often stressful coping responses. The present investigation tested the prediction that these features of Type A behavior would interfere with blood glucose regulation in insulin-dependent diabetes mellitus patients. Two independent hypotheses were investigated. Because elevated sympathetic arousal, a concomitant of stressful coping, is associated with elevated glucose levels, it was predicted that Type A diabetics experiencing high levels of life stress would display poorest blood glucose control (indexed by Hemoglobin A₁c). The second hypothesis was derived from the observation that Type As are more likely than Type Bs to respond to control threats with reactance in order to restore the perception of control. Given that illness or treatment can reduce personal control, it was predicted that Type A diabetics would be most reactant and, thus, most medically noncompliant. To test these hypotheses, 37 Type 1 diabetics were assessed for Type A behavior, life change, attributional style, desire for control (both within treatment and in general), and specific perceptions of and actions to their diabetes. Type As were more likely than Type Bs to show poor blood glucose control. However, for patients in general, and Type As in particular, blood glucose regulation was not related to life stress. Rather, those Type As who displayed poor glucose control made more extreme self-attributions about the cause of their diabetes, were angrier about it, and felt they should fight it. The implications of these findings for a reactance-Type A model of medical compliance are discussed.     

Psychophysiological arousal related to Type A components in adolescent boys

The association between psychophysiological responses (heart rate, skin conductance and blood volume) and Type A behavior was studied in adolescent boys (n = 48) in computer-controlled experiments. Although psychophysiological arousal was related to the type of stress-evoking element, task-specificity did not result in significant psychophysiological differences between Type As and Nontype As. The indication is that physiological arousal may be a constitutional characteristic of Type A behavior. The multidimensionality of type A behavior must be considered in any investigation examining the psychophysiological Type A-Nontype A differences. Different Type A dimensions, together with previously found psychological differences, were related to specific psychophysiological reactions.     

Stress and Distress as a Function of Jenkins Activity Survey-Defined Type A Behavior and Control Over the Work Environment

Although laboratory studies have demonstrated that situational factors which are particularly threatening to Type A individuals induce both Type A behaviors and cardiovascular reactivity, field studies have failed to demonstrate consistent differences between Types A and B in response to stress. Rhodewalt, Hays, Chemers, and Wysocki (1984) argued that this inconsistency is caused by the failure to take into account the individual's perception of the situation. They demonstrated that Type A individuals who perceived high levels of job stress reported more psychological and physical health problems than Type As under low stress or Type Bs under high or low stress. This study attempted to replicate this earlier finding, as well as identify factors in the situation which lead Type A individuals to perceive their job as stressful. Three hundred thirty-six male school principals (categorized as Type A or Type B by the Jenkins Activity Survey [JAS]) completed questionnaires assessing their degree of control in their work environment, perceived job stress, and physical and psychological well-being. A path mediation analysis indicated that Type A individuals reported more job stress under lower levels of perceived control, and that higher job-stress levels subsequently lead to greater incidence of physical and psychological symptoms, especially for Type As.     

Heterogeneous heterogeneity by default: Testing categorical moderators in mixed-effects meta-analysis

Categorical moderators are often included in mixed-effects meta-analysis to explain heterogeneity in effect sizes. An assumption in tests of categorical moderator effects is that of a constant between-study variance across all levels of the moderator. Although it rarely receives serious thought, there can be statistical ramifications to upholding this assumption. We propose that researchers should instead default to assuming unequal between-study variances when analysing categorical moderators. To achieve this, we suggest using a mixed-effects location-scale model (MELSM) to allow group-specific estimates for the between-study variance. In two extensive simulation studies, we show that in terms of Type I error and statistical power, little is lost by using the MELSM for moderator tests, but there can be serious costs when an equal variance mixed-effects model (MEM) is used. Most notably, in scenarios with balanced sample sizes or equal between-study variance, the Type I error and power rates are nearly identical between the MEM and the MELSM. On the other hand, with imbalanced sample sizes and unequal variances, the Type I error rate under the MEM can be grossly inflated or overly conservative, whereas the MELSM does comparatively well in controlling the Type I error across the majority of cases. A notable exception where the MELSM did not clearly outperform the MEM was in the case of few studies (e.g., 5). With respect to power, the MELSM had similar or higher power than the MEM in conditions where the latter produced non-inflated Type 1 error rates. Together, our results support the idea that assuming unequal between-study variances is preferred as a default strategy when testing categorical moderators.     

Gender differences in the relationship of moderator variables to stress and symptoms

Abstract

This study focused on gender differences in the relationship of four moderator variables (hostility, social support, optimism, and Type A behavior) to perceptions of symptoms and stress based on a sample of 120 female and 79 male undergraduates. Results confirmed significant gender differences in hostility, Type A behavior, and social support but not in optimism. Multiple regression analyses exposed distinct gender differences. For females, social support accounted for 21% and hostility 5% of the total variance in perceived stress. For males, only hostility accounted for any significant variance (10%). Hostility contributed 21% and social support contributed 13% to the total variance in the number of symptoms for females. For males, optimism contributed 14% and hostility 5%. Results indicate that social support is a potent variable for females in their perception of both stress and symptoms but essentially unrelated for males. Hostility, however, relates to perceptions of stress and symptoms for both sexes.     

The second androgyny: A proposed revision in adaptive priorities for college women

Evidence has accumulated suggesting that androgyny, as popularly conceived (i.e., balanced and flexible display of masculine and feminine behaviors across situations), has more adaptive value for women than for men and even that it holds less value than believed for women. Four sex types were compared in a series of studies bearing upon psychological adjustment in college women: (1) balanced androgyny, (2) blended androgyny that integrates masculinity and femininity, (3) femininity, and (4) masculinity. In three out of four studies that considered daily stress symptoms, Type A characteristics, and menstrual distress, balanced androgynes demonstrated the poorest psychological adaptation and blended androgynes the best. The fourth study considered the psychological characteristics associated with eating disorders and found feminine women to be the most maladapted. Interpretation of the trend of results in terms of identity problems for the balanced androgynous woman was offered.     

The role of collective self-esteem for Asian Americans experiencing racism-related stress: a test of moderator and mediator hypotheses

This study examined the role of four dimensions of collective self-esteem (CSE) as a moderator and mediator in the relationship between racism-related stress and psychological adjustment among 134 Asian American college students. CSE was not found to moderate the effects of racism-related stress on self-esteem problems, interpersonal problems, or career problems. However, the results of mediator analyses indicated that public CSE is a mechanism that explains the relationship between racism-related stress and self-esteem problems and interpersonal problems but not career problems. No other dimensions of CSE were found to be significant mediators. The implications for these findings for research and practice are discussed.     

The effects of hormones,Type A behavior pattern,and provocation on aggression in men

Thirty-eight male college students, classified as either Type A or Type B based on their Jenkins Activity Survey (JAS-T) scores, competed in a reaction time task that allowed them to administer shocks to an increasingly provocative fictitious opponent. Salivary testosterone and cortisol were measured both prior to and after the task. Aggression was defined as the level of shock the subject was willing to set for the opponent. The results of this study indicate that a relationship exists between endogenous testosterone levels in men and direct physical aggression. Some evidence for the moderating effects of hormones on the level of aggression expressed by Type As was observed. No direct relationship between Type A and aggression was found.     

Hostile aggression and type A behavior

Type A and Type B male college students were given the opportunity to display hostile aggression against an insulting confederate on a bogus ESP task, using either aversive noise or a monetary penalty. Preliminary correlational analyses confirmed that Ss' aggressive responding covaried directly with their reported desire to hurt the confederate but was, in contrast, unrelated to their reported desire to help the confederate. Thus, Ss' aggressive behavior was motivated by hostile intentions. Subsequent analyses revealed that Type As were more aggressive and reported a greater desire to hurt the confederate than Type Bs, regardless of the mode of aggression. These data support the results of a recent study which questioned the intuitively appealing assumption that Type As should only display aggressive behavior when motivated by some external achievement goal.     

Type A behavior, aerobic power, and cardiovascular recovery from a psychosocial stressor

Fifty-six male university students were tested for actual aerobic power and Type A behavior (Form T of the Jenkins Activity Survey) before performing the Stroop Color-Word Interference Test. Neither fitness nor Type A was related to magnitude of heart rate (HR) increase, and only Type A was related to speed of recovery following the test, with Type As being slower to return to baseline HR levels than Type Bs. These results are discussed in terms of the need to consider factors that mediate speed of recovery from stress.     

Assessing spurious "moderator effects": Illustrated substantively with the hypothesized ("synergistic") relation between spatial and mathematical ability

The traditional methodology for assessing moderator variables (hierarchical multiple regression analysis) is examined. Possible drawbacks of this technique for corroborating psychological theories (cf. Busemeyer & Jones, 1983), are illustrated empirically on the basis of an analysis of 400,000 subjects. This article tested a well-known (and currently popular) substantive hypothesis: A synergistic relation exists between mathematical ability and spatial visualization in the prediction and development of sophisticated levels of advanced mathematics. Using the traditional methodology, this hypothesis was confirmed; however, on further analysis, using a more systematic approach, it was demonstrated that this finding was spurious. Suggestions are offered for modifying the traditional methodology used for assessing moderator effects (for both applied and theoretical purposes). These amount to ways for minimizing Type I and Type II errors.     

自我超越生命意义对压力和健康关系的调节作用

研究目的是检验一个新的应激应对资源—自我超越生命意义的健康调节作用。自我超越生命意义的理论基础是东方的佛教哲学和道家哲学。研究的测量工具有：大学校园压力量表,一般健康问卷（GHQ-20）,自尊量表和自我超越生命意义量表。被试为来自北京市三所高校的788名大学生。研究结果为：自我超越生命意义可以调节应激条件下的忧郁情绪、一般健康问题和自尊,但是对于焦虑情绪和自我肯定的调节作用不明显。研究结论是：自我超越生命意义对心理健康的某些方面具有调节作用     

Type D personality and cardiovascular reactivity to an ecologically valid multitasking stressor

Previous research investigating the influence of Type D personality on cardiovascular reactivity to stress in healthy young adults is somewhat mixed. The present study sought to investigate this question using an ecologically valid laboratory stressor. Beat-to-beat blood pressure and heart rate were measured in 77 healthy young adults during exposure to multitasking stress. Mood and background stress were both associated with Type D personality when Type D was conceptualised as a dimensional construct, with less robust findings observed using the traditional dichotomous typological approach. However, the continuous Type D construct added limited predictive value of the self-report measures above that of its constituent components, negative affectivity (NA) and social inhibition (SI). Further, an inverse relationship between the continuous Type D construct and blood pressure reactivity to multitasking stress was observed. In summary, our findings suggest that Type D personality is predictive of blunted cardiovascular reactivity to stress in healthy individuals when Type D is considered as a dimensional construct and the independent influence of NA and SI is controlled for. Further, our findings suggest that Type D does not predict additional variance in mood and background stress above that of NA and SI when these constituent factors are considered independently.     

Neurobehavioral deficits,adolescent traumatic brain injury,and transition to college

Outcome following traumatic brain injury (TBI) has been frequently evaluated for adults, although there has been minimal research on adolescents with TBI. It has been argued that TBI sequelae may be more difficult for adolescents to adjust to given developmental changes in physical (puberty), interpersonal (self-concept), and environmental domains (transition to college). In addition, it is commonly acknowledged that moderator variables such as psychiatric history, family functioning, substance use, and sexuality impact functional outcome following TBI, although it is often difficult to objectively evaluate these variables. The current study examined relationships among TBI-related deficits, moderator variables, and academic outcomes for six adolescents transitioning to college. The findings suggest that it may not be appropriate to predict functional outcome based solely on objective neuropsychological results. However, moderator variables appear to have a more direct relationship with outcome, depending on the moderator variable and the individual.