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Psychometric assessment of the processes of change scale for sun protection

Sillice, Marie A. ; Babbin, Steven F. ; Redding, Colleen A. ; Rossi, Joseph S. ; Paiva, Andrea L. ; Velicer, Wayne F.

Psychology, health & medicine, 2018-01, Vol.23 (1), p.39-45 [Periódico revisado por pares]

England: Taylor & Francis

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Título:
Psychometric assessment of the processes of change scale for sun protection
Autor: Sillice, Marie A. ; Babbin, Steven F. ; Redding, Colleen A. ; Rossi, Joseph S. ; Paiva, Andrea L. ; Velicer, Wayne F.
Assuntos: Adolescent ; Adult ; Age differences ; Cronbach's alpha ; Ethnicity ; Exercise ; Factorial experiments ; Factorial invariance ; Female ; Health Behavior ; Humans ; Identity ; Internal validity ; Intervention ; Male ; Measurement ; Middle Aged ; processes of change ; Protective factors ; Psychometrics - methods ; Quantitative psychology ; Race ; Reliability ; Reproducibility of Results ; sun protection ; Sunscreening Agents ; Surveys and Questionnaires ; Transtheoretical model ; Young Adult
É parte de: Psychology, health & medicine, 2018-01, Vol.23 (1), p.39-45
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
Descrição: The fourteen-factor Processes of Change Scale for Sun Protection assesses behavioral and experiential strategies that underlie the process of sun protection acquisition and maintenance. Variations of this measure have been used effectively in several randomized sun protection trials, both for evaluation and as a basis for intervention. However, there are no published studies, to date, that evaluate the psychometric properties of the scale. The present study evaluated factorial invariance and scale reliability in a national sample (N = 1360) of adults involved in a Transtheoretical model tailored intervention for exercise and sun protection, at baseline. Invariance testing ranged from least to most restrictive: Configural Invariance (constraints only factor structure and zero loadings); Pattern Identity Invariance (equal factor loadings across target groups); and Strong Factorial Invariance (equal factor loadings and measurement errors). Multi-sample structural equation modeling tested the invariance of the measurement model across seven subgroups: age, education, ethnicity, gender, race, skin tone, and Stage of Change for Sun Protection. Strong factorial invariance was found across all subgroups. Internal consistency coefficient Alpha and factor rho reliability, respectively, were .83 and .80 for behavioral processes, .91 and .89 for experiential processes, and .93 and .91 for the global scale. These results provide strong empirical evidence that the scale is consistent, has internal validity and can be used in research interventions with population-based adult samples.
Editor: England: Taylor & Francis
Idioma: Inglês

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Psychometric assessment of the processes of change scale for sun protection

Sillice, Marie A. ; Babbin, Steven F. ; Redding, Colleen A. ; Rossi, Joseph S. ; Paiva, Andrea L. ; Velicer, Wayne F.

England: Taylor & Francis

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