In this article, we consider an often overlooked model that combines mediation and moderation to explain how a third variable can relate to a risk factor–psychopathology relationship. We refer to it as moderation and mediation in a three-variable system. We describe how this model is relevant to studying vulnerability factors and how it may advance developmental psychopathology research. To illustrate the value of this approach, we provide several examples where this model may be applicable, such as the relationships among parental externalizing pathology, harsh parenting, and offspring psychopathology as well as between neuroticism, stressful life events, and depression. We discuss possible reasons why this model has not gained traction and attempt to clarify and dispel those concerns. We provide guidance and recommendations for when to consider this model for a given data set and point toward existing resources for testing this model that have been developed by statisticians and other methodologists. Lastly, we describe important caveats, limitations, and considerations for making this approach most useful for developmental research. Overall, our goal in presenting this information to developmental psychopathology researchers is to encourage testing moderation and mediation in a three-variable system with the aim of advancing analytic strategies for studying vulnerability factors.

As championed by the work of Ed Zigler, investing in nurturing environments for all children is a chief tenet of primary prevention that will have far-reaching benefits to the health and welfare of all members of society. Children who endure child maltreatment (CM) are among society's most vulnerable. Prospective longitudinal research aimed at a comprehensive understanding of the mechanisms linking CM to subsequent adverse health consequences is needed to improve outcomes and to strengthen causal inference. This paper outlines the methods of the Child Health Study (CHS), a large, state-wide longitudinal cohort of recently maltreated and nonmaltreated youth aged 8–13 who will be assessed every 2 years. The CHS is designed to include in-depth assessments of multiple environmental, behavioral, neural, physiological, and molecular mechanisms through which CM may impact a broad spectrum of youth development, including behavioral and physical health outcomes. In addition to describing the conceptual framework and methods underlying the CHS, we provide information on valuable “lessons learned” in the hopes of supporting future research efforts facing similar challenges. The ultimate goal of this research is demonstrating how policies regarding CM impact the well-being, resilience and recovery of survivors and that they are worthy of large public investment.

We describe the findings of a qualitative longitudinal interview study of a group of initially community-dwelling frail older people, and their informal and formal carers. We used a narrative approach to explore the role that narrative may have for people living with frailty. This has been less explored comparative to the experiences of those living with chronic illness. The frail older people told stories of their experiences that revealed three distinct shapes or typologies. These were either stable, unbalancing or overwhelmed, and related to how the person managed to adapt to increasing challenges and losses, and to reintegrate their sense of self into a cohesive narrative. Each is illustrated by an individual case story. Frailty is described as both biographically anticipated yet potentially biographically disruptive as older people may struggle to make sense of their circumstances without a clear single causative factor. Findings are discussed in relation to biographical disruption and reconstruction in chronic illness and the rhetoric around ‘successful ageing’. We conclude by drawing attention to the complex individual and social factors that contribute to the experience of living with frailty in later life.

Previous research has shown that problematic parent–child, peer, and romantic partner relationships are associated with an increased likelihood for major depressive disorder (MDD). Less research has evaluated the developmental unfolding of how these interpersonal relationship features are both an antecedent versus a consequence of MDD symptoms from adolescence through young adulthood. These gaps were evaluated using a large community sample (N = 1,127; 54% female, 96% white) via a developmental cascade model. Results showed support for significant antecedent effects, as greater parent–child relationship problems at ages 11 and 17 predicted rank-order increases in MDD symptoms at ages 14 and 20. Supporting a developmental cascade of problematic social relationships, greater parent–child relationship problems at ages 11 and 14 also predicted greater subsequent rank-order increases in antisocial peer affiliation at ages 14 and 17. Greater affiliation to antisocial peers at age 20 predicted greater rank-order increases in romantic relationship problems at age 24, which in turn predicted greater MDD symptoms at age 29. Cross-effects were generally small (βs ≤ .16), illustrating other factors may be relevant to the development or consequences of MDD. Nonetheless, findings support the importance of efforts to strengthen social support networks to offset risk as well as potentially treat depression.

This study offers a broader perspective on the effects of entrepreneurial orientation beyond its well-established implications for firm financial performance. Herein, it is suggested that through higher firm innovativeness, risk taking, and proactiveness entrepreneurial orientation contributes to an increase in the overall value accrued by the firm’s base of stakeholders. In doing so, we offer a broader perspective on the significance of an entrepreneurial orientation strategic posture for increasing stakeholder value beyond simply the financial value captured by firm shareholding stakeholders. Results from a comprehensive sample of 1,015 public US corporations indicate significant relationships between the three core dimensions of entrepreneurial orientation (innovativeness, risk taking, proactiveness) and stakeholder value, suggesting that how organizations behave entrepreneurially plays an important role in the firms generation of stakeholder value.

Almost six decades of research have consistently demonstrated that intergroup contact is one of the most powerful ways of improving intergroup attitudes. At least two important limitations, however, still compel researchers to continue work in this area: the issue of long-term effects of contact, and the processes underlying such effects. This report makes a theoretical and empirical contribution with regard to these two aspects introducing a new mediator of the effects of contact: verification of qualities of typical ingroup members that may or may not characterize individual group members (e.g. verification of ingroup identities). One hundred and forty-two high school students participated in a two-wave longitudinal study with 12 weeks’ lag in Spain. Cross-sectional and longitudinal mediational analyses using multiple imputation data showed that intergroup contact improves general outgroup evaluation through increasing verification of ingroup identities. This research demonstrates the relevance of considering verification of ingroup identity as a mediator for the positive effects of intergroup contact.

A mathematical model based on queuing theory is used to study the dynamics of environmental influence on twin pairs. The model takes into consideration genetic factors and effects of non-shared environment. Histograms are exploited as base analysed characteristics, with the method of minimum chi-square yielding estimated characteristics. The proposed technique was applied to analysis of longitudinal data for MZ and DZ twins. It was shown that the same environment impact may yield different contributions to final variances of the IQ parameters under investigation. Magnitudes of these contributions depend on the genetic factor represented by distributions of an analysed parameter at the point of birth. Twin Research (2000) 3, 92–98.

A brief introduction to gerontological longitudinal research methods and analysis is provided. The gerontological research questions that demand longitudinal study are identified. The use of secondary data analysis is shown to be essential to these studies. These analyses present opportunities to maximize both longitudinal research strategies and research efficiencies. The importance of administrative and financial stability for maintaining data bases for longitudinal research is presented by using examples. A brief overview of major Canadian longitudinal studies of aging and selected studies in other countries is provided. Finally, many sources of both quantitative and qualitative data for longitudinal gerontological studies are identified.

Over the past 15 to 20 years there has been discussion and debate in the gerontological literature about the relative merits of self-report versus performance-based observational (PBO) measures of functional status. In 2001 the Aging in Manitoba Longitudinal Study had the opportunity to add a PBO measure of functional status and use it together with two self-report measures on a sub-sample of 138 participants. The PBO measure that was used was the Performance Assessment of Self-Care Skills, Version 3.1 (Home). Using ranks of the proportion of participants who were independent in nine different tasks, no significant correlations were found between the performance measure scores and either of the self-report measures. This finding suggests that using self-report data rather than performance data could lead program developers and policy makers to different conclusions about the extent of need for assistance among older adults.