Amotivation to Automaticity in Adult Physical Activity: A Mixed-Methods Instrument Development Project.
Year: 2018
Type: dissertation
Abstract: This dissertation explores self-regulatory constructs related to the initiation and maintenance of habitual physical activity in adults for instrument development purposes. The developing measure is designed for use in longitudinal research on the progression from sedentary behavior to habitual physical activity that meets or exceeds federal minimum recommendations. A second measure, designed for recruitment of participants who may show a “sudden gain” pattern has also been created. Because the accrual of reliability and validation evidence is an ongoing process, this dissertation project is defined as a four-step, mixed-methods instrument development project involving: 1) phenomenological method qualitative interviews designed to discover and/or refine constructs related to behavioral, emotional, cognitive and habitual aspects of self-regulation as associated with physical activity and exercise. 2) an initial item pool, created and refined by the research group, 3) The initial item pool further refined by a layperson’s refinement survey 4) The refined item pool for the full-range instrument and for the “sudden gain” recruitment screener has been made ready for online administration for the purpose of exploratory factor analyses. These versions of the full-range and recruitment instruments will be amenable to post-dissertation psychometric evaluation using a community sample.
Author: Nova Morrisette
Language: English
Topic: Physical Activity and Health
Field: Medicine
Domain: Health Sciences
Open Access status: green
OpenAlex ID: W2998441854