In a penetrating analysis of student unrest, the Dean for Institute Relations at M.I.T (and former chief of the psychiatric services both there and at Wellesley College) isolates a major cause of campus conflict: the overwhelming, nonproductive mass of unstated academic and social norms that divert the student from creative intellectual effort and from the attempt to define and reach his goals as independently as he is able.

The executive hypothesis of self-regulation places cognitive information processing at the center of self-regulatory success/failure. While the hypothesis is well supported by cross-sectional studies, no study has tested its primary prediction, that temporary lapses in executive control underlie moments of self-regulatory failure. Here, we conducted a naturalistic experiment investigating whether short-term variation in executive control is associated with momentary self-regulatory outcomes, indicated by negative affect reactivity to everyday stressors. We assessed working memory capacity (WMC) through ultra-brief, ambulatory assessments on smart (...) phones five times per day in a 7-day ecological momentary assessment (EMA) study involving college-aged adults. We found that participants exhibited more negative affect reactivity to stressor exposures during moments when they exhibited lower than usual WMC. Contrary to previous findings, we found no between-person association between WMC and average stress reactivity. We interpret these findings as reflecting the role of executive control in determining one’s effective capacity to self-regulate. (shrink)

Herman Melville’s Moby Dick (1851) may have set the lengthy standard for books treating whales, but D. Graham Burnett has more than matched that standard with his hefty, almost eight-hundred page tome, The Sounding of the Whale. The requisite explanatory subtitle specifies the author’s intent to write the history of what he refers to as “whale science” spanning the twentieth century. The book divides rather naturally into three complementary sections. The opening two chapters discuss early conservation efforts aimed at managing (...) the whale industry. Next, two more chapters investigate the formation of the International Whaling Commission (IWC). A final chapter argues that dolphin research in the 1960s and 1970s led to the strident environmental concerns of the late twentieth century, including the drive to “save the whale” (the five chapters are bracketed by a lengthy introduction and conclusion).The most compelling features of Burnett’s book are delivered in the first four chapters. As .. (shrink)

Defects of growth inhibitory pathways have an important role in disorders of cell growth and differentiation. The discovery of a mutation in one of the principle components of the transforming growth factor β (TGFβ) receptor system which is linked to a DNA repair defect(1) represents one possible mechanism of escape from negative regulatory influences acting upon cells. TGFβ is a pre‐eminent negative growth factor and this article discusses (1) the role of TGFβ in maintaining epithelial homeostasis; (2) how breakdown of (...) inhibitory pathways can promote neoplastic development; (3) the significance of a receptor defect in a negative signalling pathway; and (4) the potential therapeutic sequelae resulting from restoration of cellular responsiveness to TGFβ. (shrink)

The protection of employee rights in the workplace is one of the fundamental ethical questions facing organizations today. Organizations differ in the extent to which they protect the rights of both employees and themselves as employers, yet little research has examined the types of organizations that have rights protection policies. Instead of the classic normative approach to ethical issues, this study took a contextual approach to the management of rights in the workplace through human resource policies. Associations were found between (...) the organizational characteristics of size, industry, unionization, business condition, and the existence of employee and employer rights policies. Additional analyses revealed underlying dimensions in right policies and the relationship of organizational characteristics to these aspects of rights management were examined. The results are discussed in terms of understanding human resource rights management within an organizational context. (shrink)