What Is Qualitative Longitudinal Research?
Introduction
Longitudinal Qualitative Research is a relatively recent development which has yet to be fully articulated as a coherent methodology (Neale & Flowerdew, 2003:189), although examples of this style of research can be traced back several decades. There are few books which deal with it in any depth (although see Saldana, 2003). In this essay I am going to; outline longitudinal qualitative research (QLR); address the main features of it; provide an outline of its strengths and weaknesses; describe its advantages over other forms of research styles; and provide an exemplar of a study which employed QLR research design.
What is QLR?
QLR embodies a range of mainly in-depth interview-based studies which involve returning to interviewees to measure and explore changes which occur over time and the processes associated with these changes (see Holland et al 2004 for a full review). The approach is particularly useful if one is studying a process which has a notion of a ‘career’ of some sort or which involves a developmental process. For example, I study why people stop offending, which clearly involves understanding the processes by which an individual comes to realise the harm they are doing to both themselves and others, makes efforts to resist their engagement in crime, overcomes stigmas, builds relationships with non-offenders and so on. Similarly, studies of ageing or of other developmental processes (parenthood, changes in structural location such as from employee to retiree) are suitable for QLR.
There is currently no definition – nor will there ever be I suspect - of how long studies should last, nor is there any guidance in the literature as to how long the time intervals 2 between interviews ought to be. It is clear that, depending on the subject matter at hand, these sorts of decisions will need to be left to researchers and guided by their preferences and the nature of their studies. A study of the emotional strains placed on a relationship during
Longitudinal Qualitative Research is a relatively recent development which has yet to be fully articulated as a coherent methodology (Neale & Flowerdew, 2003:189), although examples of this style of research can be traced back several decades. There are few books which deal with it in any depth (although see Saldana, 2003). In this essay I am going to; outline longitudinal qualitative research (QLR); address the main features of it; provide an outline of its strengths and weaknesses; describe its advantages over other forms of research styles; and provide an exemplar of a study which employed QLR research design.
What is QLR?
QLR embodies a range of mainly in-depth interview-based studies which involve returning to interviewees to measure and explore changes which occur over time and the processes associated with these changes (see Holland et al 2004 for a full review). The approach is particularly useful if one is studying a process which has a notion of a ‘career’ of some sort or which involves a developmental process. For example, I study why people stop offending, which clearly involves understanding the processes by which an individual comes to realise the harm they are doing to both themselves and others, makes efforts to resist their engagement in crime, overcomes stigmas, builds relationships with non-offenders and so on. Similarly, studies of ageing or of other developmental processes (parenthood, changes in structural location such as from employee to retiree) are suitable for QLR.
There is currently no definition – nor will there ever be I suspect - of how long studies should last, nor is there any guidance in the literature as to how long the time intervals 2 between interviews ought to be. It is clear that, depending on the subject matter at hand, these sorts of decisions will need to be left to researchers and guided by their preferences and the nature of their studies. A study of the emotional strains placed on a relationship during
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