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Basics of qualitative research: Grounded theory procedures and techniques

Evaluating complex interventions is complicated. The Medical Research Council9s evaluation framework (2000) brought welcome clarity to the task. Now the council has updated its guidance

https://www.bmj.com/content/bmj/337/bmj.a1655.full.pdf

Developing and evaluating complex interventions: The new Medical Research Council guidance

The Theory of Planned Behaviour (TPB) has received considerable attention in the literature. The present study is a quantitative integration and review of that research. From a database of 185 independent studies published up to the end of 1997, the TPB accounted for 27% and 39% of the variance in behaviour and intention, respectively. The perceived behavioural control (PBC) construct accounted for significant amounts of variance in intention and behaviour, independent of theory of reasoned action variables. When behaviour measures were self-reports, the TPB accounted for 11% more of the variance in behaviour than when behaviour measures were objective or observed (R2s = .31 and .21, respectively). Attitude, subjective norm and PBC account for significantly more of the variance in individuals' desires than intentions or self-predictions, but intentions and self-predictions were better predictors of behaviour. The subjective norm construct is generally found to be a weak predictor of intentions. This is partly attributable to a combination of poor measurement and the need for expansion of the normative component. The discussion focuses on ways in which current TPB research can be taken forward in the light of the present review.

/pdf/efficacy-of-the-theory-of-planned-behaviour-a-meta-analytic-32gm69pazu.pdf

Efficacy of the Theory of Planned Behaviour: a meta-analytic review.

In this chapter a theory of motivation and emotion developed from an attributional perspective is presented Before undertaking this central task, it might be beneficial to review the progression of the book In Chapter 1 it was suggested that causal attributions have been prevalent throughout history and in disparate cultures Studies reviewed in Chapter 2 revealed a large number of causal ascriptions within motivational domains, and different ascriptions in disparate domains Yet some attributions, particularly ability and effort in the achievement area, dominate causal thinking To compare and contrast causes such as ability and effort, their common denominators or shared properties were identified Three causal dimensions, examined in Chapter 3, are locus, stability, and controllability, with intentionality and globality as other possible causal properties As documented in Chapter 4, the perceived stability of a cause influences the subjective probability of success following a previous success or failure; causes perceived as enduring increase the certainty that the prior outcome will be repeated in the future And all the causal dimensions, as well as the outcome of an activity and specific causes, influence the emotions experienced after attainment or nonattainment of a goal The affects linked to causal dimensions include pride (with locus), hopelessness and resignation (with stability), and anger, gratitude, guilt, pity, and shame (with controllability)

/pdf/an-attributional-theory-of-achievement-motivation-and-2eu5g13rxj.pdf

An attributional theory of achievement motivation and emotion.

Understanding fishers' compliance is essential for the successful management of marine protected areas. We used the random response technique (RRT) to assess recreational fishers' compliance with no-take zones in the Great Barrier Reef Marine Park (GBRMP). The RRT allowed the asking of a sensitive question, i.e., "Did you, knowingly, fish within in a Green Zone during the last 12 months?" while protecting respondents' confidentiality. Application of the RRT through a survey of recreational fishers indicated that the majority of recreational fishers, 90%, comply with no-take zones. Likewise, most fishers, 92%, reported not personally knowing anyone who had intentionally fished in a no-take zone, indicating that fishers' perceive high levels of compliance among their peers. Fishers were motivated to comply with no-take zones primarily by their beliefs about penalties for noncompliance, followed by beliefs about the fishery benefits of no-take zones. Results suggest that compliance-related communication efforts by the managing authority have partially succeeded in maintaining appropriate compliance levels and that future efforts should accentuate normative compliance drivers that will encourage voluntary compliance. We conclude that compliance monitoring should be integrated into the adaptive management of the GBRMP and other protected areas; in this case social surveys using the RRT are effective tools.

/pdf/understanding-recreational-fishers-compliance-with-no-take-onjvdo5hcr.pdf

Understanding recreational fishers' compliance with no-take zones in the Great Barrier Reef Marine Park

In many areas of the developing world, the establishment of permanent marine reserves is inhibited by cultural norms or socioeconomic pressures. Community conserved areas that are periodically harvested are increasingly being implemented as fisheries management tools, but few researchers have empirically compared them with permanently closed reserves. We used a hierarchical control-impact experimental design to compare the abundance and biomass of reef fishes, invertebrates, and substrate composition in periodically harvested and permanent reserves and in openly fished (control sites) of the South Pacific island country of Vanuatu. Fished species had significantly higher biomass in periodically harvested reserves than in adjacent openly fished areas. We did not detect differences in substratum composition between permanent reserves and openly fished areas or between permanent reserves and periodically harvested reserves. Giant clams (tridacnids) and top shells (Trochus niloticus) were vulnerable to periodic harvest, and we suggest that for adequate management of these species, periodically harvested community conservation areas be used in conjunction with other management strategies. Periodic harvest within reserves is an example of adaptive and flexible management that may meet conservation goals and that is suited to the social, economic, and cultural contexts of many coastal communities in the developing world.

Comparison of Outcomes of Permanently Closed and Periodically Harvested Coral Reef Reserves

Hypothetical scenarios were used to understand the effects of personal and situational variables on freshwater anglers' choices to keep or release caught fish. When personal and situational variables were included in a single model, the odds of an angler choosing to release a caught fish were negatively related to importance placed on keeping fish and varied according to species preference, species caught, and whether the species caught was the angler's preferred species. Interactions between importance placed on catching a trophy fish and size of fish caught, and between species caught and whether the species caught was the angler's preferred species also influenced catch-and-release choice. Catch-and-release choice was not influenced by experience level, centrality of fishing to the angler's lifestyle, importance placed on number of fish caught, and importance placed on catching "something." Results were not entirely consistent with previous studies, suggesting that determinants of catch-and-release cho...

Personal and Situational Determinants of Catch-and-Release Choice of Freshwater Anglers

This study was designed to examine the extent to which smokers would compensate for the dilution of smoke produced by ventilated cigarette holders. Peak plasma nicotine and carboxyhemoglobin levels were measured in 18 smokers when they had been smoking normally and when they had been using holders which dilute the smoke by about 20% (holder 1) and 60% (holder 2) for periods of 2 days and 7 days. Comparison of the observed blood levels with the "expected" levels estimated from the dilution factors of the holders showed that subjects partially compensated on holder 2 but showed little or no compensation on holder 1. There were no changes in the number of cigarettes smoked when using the holders so any compensation achieved must have been due to increasing the intake from each cigarette. There was wide individual variation in the amount of compensation with about 50% of subjects compensating fairly consistently on both holders. Degree of compensation was not significantly associated with usual cigarette consumption, plasma nicotine and carboxyhemoglobin levels when smoking without a holder, the nicotine yields of the subjects' cigarettes, or the experience of withdrawal symptoms and the degree of satisfaction when using the holders. It cannot be determined from this study whether the compensation observed was mediated by a need to regulate the intake of nicotine rather than some other factor.

Adjustment of smokers to dilution of tobacco smoke by ventilated cigarette holders.

The term health behaviour (or health-related behaviour) is used very broadly in this chapter to mean any behaviour that may affect an individual’s physical health or any behaviour that an individual believes may affect their physical health. This chapter focuses on determinants of health behaviours. More specifically, it focuses on what we will refer to as ‘cognitive’ determinants, as specified by theories of health behaviour or ‘social cognition models’ as they are sometimes called. After briefly considering some of the more important distinctions and dimensions of health behaviours and the definition and measurement of target behaviours, we provide an extensive discussion of research designs that are used – or could be used – to investigate the cognitive determinants of health behaviours. Then, a classification of theories of health behaviour is presented, followed by a detailed discussion of one particular theoretical approach, the theory of planned behaviour (TPB: Ajzen, 1991, 2002b). Theories of health behaviour acknowledge that health behaviours may be influenced by numerous biological, psychological, and social factors, but they specify only a limited subset of cognitive determinants that are assumed to be most proximal to the behaviour. For a more complete explanation of particular health behaviours, it is necessary to extend the theories to include other relevant determinants. To this end, we outline a broader theoretical framework, drawing on the ‘social ecological framework’ (Emmons, 2000; Green, Richard & Potvin, 1996; McLeroy, Bibeau, Steckler & Glanz, 1988; Stokols, 1992, 1996) and ideas from multilevel modelling (Bryk & Raudenbush, 1992; Duncan, Jones & Moon, 1998; Hox, 2002). We conclude by making a number of recommendations to guide future research in this area. The chapter presents a generic approach to explaining health behaviours, focusing on theoretical and methodological issues. Although a number of different examples of health behaviours are used, we do not attempt to review the determinants of particular health behaviours.

Stephen Sutton

Papers

Understanding recreational fishers' compliance with no-take zones in the Great Barrier Reef Marine Park

Comparison of Outcomes of Permanently Closed and Periodically Harvested Coral Reef Reserves

Personal and Situational Determinants of Catch-and-Release Choice of Freshwater Anglers

Adjustment of smokers to dilution of tobacco smoke by ventilated cigarette holders.

Determinants of Health-Related Behaviours: Theoretical and Methodological Issues