A Dynamic Perspective on Perceived Behavioural Control in Group Model Building Interventions
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2024-07-16
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en
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This thesis studies how a GMB intervention shapes participants' Perceived Behavioural Control (PBC) regarding the behaviour targeted in a GMB intervention and how two mechanisms, knowledge of concrete action points and perceived complexity, play a role in this process. PBC is one of the three drivers of behavioural intention as identified by Ajzen (1991). While a GMB intervention might be expected to increase participants’ PBC, this was not found in previous studies. To answer the research question, the researcher took part in the research team of two distinct GMB interventions, where questionnaires were filled in before session 1 and after each subsequent session. A questionnaire was developed based on integrating items derived from various literature sources, aiming at measuring both of the sub-hierarchical constructs of PBC: Perceived Self-Efficacy (PSE) and Perceived Control (PC). Furthermore, some post-intervention interviews were conducted with participants, to ask them whether their PSE or PC changed and how, when and why this changed, during the GMB intervention. Results are ambiguous since questionnaire results do not show a clear change in PBC after the GMB intervention compared to before, but interview results point to several new insights gained, which some describe as a change in their PC.
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Faculteit der Managementwetenschappen