The failure of a substantial portion of mail survey recipients to respond to invitations to participate in research projects raises issues of nonresponse error. Because this error is difResearchers who study nonprofit organizations draw on a wide range of empirical research methods. One common approach-geared toward comparing the same information for a large number of cases-is the survey research method. The general approach involves defining a population of

Recent work on biographical disruption has emphasised the critical importance of timing and context to the understanding of the effects of illness on identity. This paper takes a different approach by examining the inter‐relationship between illness and key sources of identity, in this instance HIV infection and motherhood. It is argued that, viewed in this light, biographical disruption remains a powerful analytic framework with which to explore the intense threat which may be posed to key identities by chronic, potentially fatal illnesses, and the fundamental re‐working of such identities occasioned by such threats. With reference to the empirical study on which this paper draws, it is shown that the twelve respondents’ emphasis on their need to survive and to protect their children, represented a fundamental re‐formulation of their identities as mothers and, therefore, a type of biographical disruption while paradoxically also containing elements of biographical reinforcement. It is further argued that the incorporation of such key identities into the analysis problematises work that suggests that biographical disruption is less relevant to those who have experienced difficult lives, while also highlighting the need to take greater account of gender and caring responsibilities in further work in this field.

Research into potentially sensitive issues with young people presents numerous methodological and ethical challenges. While recent studies have highlighted the advantages of task-based activities in research with young people, the literature on life history research provides few suggestions as to effective and appropriate research tools for encouraging young people to tell their stories. This paper explores the contribution that may be made to such research by the life grid, a visual tool for mapping important life events against the passage of time and prompting wideranging discussion. Critical advantages of the life grid in qualitative research include: its visual element which can help to engage interviewer and interviewee in a process of constructing and reflecting on a concrete life history record; its role in creating a more relaxed research encounter supportive of the respondent's 'voice'; and facilitating the discussion of sensitive issues. In addition, the way in which use of the grid anchors such narratives in accounts of everyday life, often revealing interesting tensions, is explored. These points are discussed with reference to an exploratory study of young people's experience of parental substance use.

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In recent years, there has been a resurgence of sociological work exploring the importance and meaning of kinship. Much of this work has criticized the 'individualization' thesis according to which changes in family structures over time have been interpreted as reflecting a fundamental decline in family values. Highlighting continuities as well as change in family life, this work has also suggested ways to move beyond the individualization debate and to develop alternative frameworks for the study of contemporary families and personal life, notably through the analysis of related practices. For various reasons, this recent work has focused primarily on the experience and practices of adults in 'ordinary' rather than more difficult family circumstances. This article aims to complement this work by focusing on the difficult family experiences of young people affected by parental substance use. It is argued that it is important not to lose sight of such experiences in order that sociological thinking reflect the diversity of family practices and the resources available to support them, including at younger ages. In addition, the importance of developing concepts or a language facilitating the exploration and communication of the emotional and symbolic significance of these practices is emphasized.