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. 2016 Mar 1:13:32.
doi: 10.1186/s12966-016-0351-4.

Should we reframe how we think about physical activity and sedentary behaviour measurement? Validity and reliability reconsidered

Paul Kelly  1 , Claire Fitzsimons  2 , Graham Baker  3
Affiliations

Should we reframe how we think about physical activity and sedentary behaviour measurement? Validity and reliability reconsidered

Paul Kelly et al. Int J Behav Nutr Phys Act. .

Abstract

Background: The measurement of physical activity (PA) and sedentary behaviour (SB) is fundamental to health related research, policy, and practice but there are well known challenges to these measurements. Within the academic literature, the terms "validity" and "reliability" are frequently used when discussing PA and SB measurement to reassure the reader that they can trust the evidence.

Discussion: In this paper we argue that a lack of consensus about the best way to define, assess, or utilize the concepts of validity and reliability has led to inconsistencies and confusion within the PA and SB evidence base. Where possible we propose theoretical examples and solutions. Moreover we present an overarching framework (The Edinburgh Framework) which we believe will provide a process or pathway to help researchers and practitioners consider validity and reliability in a standardized way.

Conclusion: Further work is required to identify all necessary and available solutions and generate consensus in our field to develop the Edinburgh Framework into a useful practical resource. We envisage that ultimately the proposed framework will benefit research, practice, policy, and teaching. We welcome critique, rebuttal, comment, and discussion on all ideas presented.

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Figures

Fig. 1
Fig. 1
Domains, dimensions, and correlates and determinants of PA and SB. We use this figure to discuss the different ways these behaviours can be described or characterized. It is not meant to be exhaustive, and some may take issue with how we have used ‘determinants’. When considering sedentary behaviour posture may require its own box. Source: PAHRC teaching materials (MSc Physical Activity for Health)
Fig. 2
Fig. 2
A false hierarchy for PA and SB measurement when considering anything other than PAEE. Source: PAHRC teaching materials (MSc Physical Activity for Health)
Fig. 3
Fig. 3
The Edinburgh Framework v1.0 for validity and reliability in PA and SB measurement
See this image and copyright information in PMC

Comment in

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