Local planners — global constraints

A number of reports have been published over the past few years documenting the evidence of decline in the northeastern U.S.A. and the simultaneous migration of industry to the U.S. Sunbelt. (Academy for Contemporary Problems, 1977; Sale, 1975; Sternlieb and Hughes, 1975). In developing appropriate recommendations to planners, such studies invariably urge that localities or regions facing industrial out-migration arrest this activity by making themselves more suitable and attractive (Council for Northeast Economic Action [CNEA], 1977a) within the framework of a number of characteristic strategies. We propose to examine critically some of the traditional strategies recommended by these reports.     

Negative affect and hormone levels in young adolescents: Concurrent and predictive perspectives

The purpose of this study was to test hypotheses regarding (1) relations among negative affect and hormones of gonadal and adrenal origin in young adolescents, at three times of measurement, over a one-year period; and (2) stability of negative affect. The sample consisted of 10- to 14-year-old boys (N=56) and 9- to 14-year-old girls (N=52). The adolescents were assessed three times at 6-month intervals over one year. Serum levels of gonadotropins, gonadal steroids, adrenal androgens, and cortisol were assessed, as well as stage of pubertal development (Tanner criteria). The negative affect assessments consisted of self-report questionnaire and interview measures of anxiety and depressive affect, as well as mother reports of internalizing behavior problems. In the concurrent (cross-sectional) analyses, boys reporting higher levels of negative affect tended to be those at higher genital stage or older age, with lower testosterone and cortisol levels and lower dehydroepian-drosterone sulphate levels. In the longitudinal analyses, negative affect, and to a lesser extent hormone levels at the first time of measurement predicted negative affect 12 months later. The findings suggest that puberty-related hormone levels should be considered along with psychological characteristics in examining the processes involved in the development of negative affect during the pubertal years.Received Ph.D. from The Pennsylvania State University. Research interests include hormone-behavior interactions and emotional development.Received Ph.D. from The Pennsylvania State University. Research interests include neuroendocrinology and adolescent depression.Recieved M.D. from Athens University. Research interests include hypothalamic releasing factors and stress.     

Cortisol Stress Response Variability in Early Adolescence: Attachment,Affect and Sex

Attachment, affect, and sex shape responsivity to psychosocial stress. Concurrent social contexts influence cortisol secretion, a stress hormone and biological marker of hypothalamic–pituitary–adrenal axis activity. Patterns of attachment, emotion status, and sex were hypothesized to relate to bifurcated, that is, accentuated and attenuated, cortisol reactivity. The theoretical framework for this study posits that multiple individual differences mediate a cortisol stress response. The effects of two psychosocial stress interventions, a modified Trier Social Stress Test for Teens and the Frustration Social Stressor for Adolescents were developed and investigated with early adolescents. Both of these protocols induced a significant stress reaction and evoked predicted bifurcation in cortisol responses; an increase or decrease from baseline to reactivity. In Study I, 120 predominantly middle-class, Euro-Canadian early adolescents with a mean age of 13.43 years were studied. The girls’ attenuated cortisol reactivity to the public performance stressor related significantly to their self-reported lower maternal-attachment and higher trait-anger. In Study II, a community sample of 146 predominantly Euro-Canadian middle-class youth, with an average age of 14.5 years participated. Their self-reports of higher trait-anger and trait-anxiety, and lower parental attachment by both sexes related differentially to accentuated and attenuated cortisol reactivity to the frustration stressor. Thus, attachment, affect, sex, and the stressor contextual factors were associated with the adrenal-cortical responses of these adolescents through complex interactions. Further studies of individual differences in physiological responses to stress are called for in order to clarify the identities of concurrent protective and risk factors in the psychosocial stress and physiological stress responses of early adolescents.     

The Developmental Pathway from Pubertal Timing to Delinquency and Sexual Activity from Early to Late Adolescence

There is strong evidence that early pubertal timing is associated with adolescent problem behaviors. However, there has been limited investigation of the mechanisms or developmental relationships. The present study examined longitudinal models incorporating pubertal timing, delinquency, and sexual activity in a sample of 454 adolescents (9–13 years old at enrollment; 47% females). Participants were seen for three assessments approximately 1 year apart. Characteristics of friendship networks (older friends, male friends, older male friends) were examined as mediators. Structural equation modeling was used to test these associations as well as temporal relationships between sexual activity and delinquency. Results showed that early pubertal timing at Time 1 was related to more sexual activity at Time 2, which was related to higher delinquency at Time 3, a trend mediation effect. None of the friendship variables mediated these associations. Gender or maltreatment status did not moderate the meditational pathways. The results also supported the temporal sequence of sexual activity preceding increases in delinquency. These findings reveal that early maturing adolescents may actively seek out opportunities to engage in sexual activity which appears to be risk for subsequent delinquency.     

Pubertal Timing and Adolescent Adjustment and Behavior: Conclusions Vary by Rater

The effects of pubertal timing on adolescent development have been studied since the late 1930s, yet the research has yielded inconsistent findings. One reason for such inconsistency may be the source of the rating. The purpose of this report was to examine whether pubertal timing by self-report (SR), parent report (PR), or physical exam (PE) predicted the same aspects of adjustment and behavior problems. Fifty-two girls, age 9–14 years (M = 12.0 ± 1.6) and 56 boys, age 10–15 years (M = 12.7 ± 1.3) and their parents were enrolled in the longitudinal study. Parents completed the Child Behavior Checklist and adolescents completed the Offer Self-Image Questionnaire. Using regression, later maturing boys and girls had more adjustment and behavior problems than on-time or earlier maturers in cross-sectional analyses. Longitudinally, there were few significant relationships between pubertal timing at the first occasion of measurement and adjustment and behavior problems 1 year later. Overlap in correlates of adjustment and behavior problems across raters was not always found. More significant findings were evident between pubertal timing and adjustment and behavior problems for boys than for girls and more for ratings by PE than by SR or PR. Caution appears in order when drawing conclusions about pubertal timing and adolescent behavior when rater of pubertal development or timing of rating varies across studies. The selection of who rates pubertal development and the timing of the ratings should be based on the underlying theoretical framework guiding the hypotheses.     

The relation of relative hormonal levels and physical development and social-emotional behavior in young adolescents

The study examined the relation between timing of physical maturation and problems of adjustment and peer relations. The participants were 9-14-year-old boys (N=56) and girls (N=52). Assessments of physical maturation consisted of pubertal staging according to Tanner criteria and serum determinations of luteinizing hormone, follicle stimulating hormone, testosterone, estradiol, dehydroepiandrosterone, dehydroepiandrosterone sulfate, and androstenedione. There was approximately an equal number of boys and girls in each pubertal stage. The psychological measures were the Psychopathology and Emotional Tone subscales from the Offer Self-Image Questionnaire for Adolescents and interview questions to assess interactions with peers. Psychopathology and emotional tone (sad effect) scores were higher for boys with high-for-age adrenal androgens and lower for boys with high-for-age sex steroids. Behavioral manifestations of sexuality, interest in dating, was higher for boys with high-for-age adrenal androgens. Dating and spending time with friends were higher for boys with high-for-age gonadotropins. Psychopathology and emotional tone were higher for girls with high-for-age gonadotropins. The results indicate that high-for-age hormone level or early timing of puberty generally was related to adverse psychological consequences for boys and girls, with relations being stronger for boys than for girls.     

Variability in Hormone Concentrations and Self-Reported Menstrual Histories in Young Adolescents: Menarche as an Integral Part of a Developmental Process

Menarche has been considered a marker for examining interindividual differences in biobehavioral development and for separating pubertal development into 2 stages. The purpose of this study was (1) to compare hormone concentrations in pre- and postmenarcheal girls to determine whether they fit a continuous or dichotomous model of pubertal development surrounding menarche; and (2) to address methodological issues of variability in self-reports of menstrual histories and reliability in reporting age at menarche. Girls (N = 52) ages 9 to 14 years were enrolled in a longitudinal study. Blood was drawn for hormone concentrations. Menstrual-cycle information was collected by questionnaire and oral report. Discrepancies in reporting of age at menarche ranged from 0 to 18 months and variability was noted in length of cycle. There was great overlap in hormones between pre- and postmenarcheal categories. Future studies might consider menarche as the culmination of underlying developmental processes rather than as a discrete event. Limitations of each measure of puberty should be considered by investigators conducting biobehavioral studies of adolescents.