Initiation of physical exercise : an intervention study based on the transtheoretical model

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Deutscher übersetzter Titel:Initiierung von körperlicher Bewegung : eine Interventionsstudie basierend auf dem transtheoretischen Modell
Autor:Pfeffer, Ines; Alfermann, Dorothee
Erschienen in:International journal of sport psychology
Veröffentlicht:39 (2008), S. 41-58, Lit.
Format: Literatur (SPOLIT)
Publikationstyp: Zeitschriftenartikel
Medienart: Gedruckte Ressource
Sprache:Englisch
ISSN:0047-0767, 1147-0767
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Erfassungsnummer:PU200910005475
Quelle:BISp

Abstract

Based on the Transtheoretical Model (TTM) the effects of psychological interventions on exercise behaviour and TTM constructs were tested within 12-week exercise programmes for exercise adopters. A quasi-experimental study with pre-, post-test and follow-up was conducted. Participants were 113 sedentary adults (age range 27-63 years, mean = 46) most of whom were in contemplation or preparation stage at T1. A cognitive-affective and a behavioural exercise-enhancing intervention was derived from the TTM processes of change. Participants were enrolled in aerobic exercise groups which were randomly assigned to one of four conditions: control group with no psychological intervention; three experimental conditions with either cognitive-affective, behavioural or both interventions. Dependent measures were assessed with standardised questionnaires at T1 before, T2 immediately after and T3 (follow-up) 12 weeks after the intervention, and included cognitive-affective and behavioural processes of change, action and coping self-efficacy, pros and cons. The TTM interventions did not have an impact on TTM constructs. However, TTM constructs changed in the expected way over time. We found an increase in the use of cognitive-affective processes, behavioural processes and a decrease in cons. Changes were also associated with stage transition. Progression into the action stage was linked with an increase in cognitive-affective and behavioural processes as well as action self-efficacy, whereas participants remaining in pre-action stages did not change in these aspects. Future studies should develop and evaluate further exercise enhancing interventions implemented into supervised exercise programmes. More true experiments with long-term follow-ups seem warranted. Verf.-Referat