This study describes the psychometric characteristics of the 19-item Conceptions of Mathematics Questionnaire for a total of 158 students (86 women and 72 men). The coefficient alpha of internal consistency reliability was .75. Principal components analysis with varimax rotation indicated a two-component solution could be extracted. The two theoretically meaningful dimensions were fragmented conceptions (alpha = .80) and cohesive conceptions (alpha = .80). The former entails seeing mathematics as number rules and formulae to be used to solve problems. Students who hold this conception use rote learning and memorization. In contrast, the latter entails seeing mathematics as a complex logical system for solving complex problems. Students with such a conception approach learning to attain, develop, and apply knowledge.
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http://dx.doi.org/10.2466/pr0.2001.88.3.825 | DOI Listing |
Acta Odontol Scand
January 2025
Research Unit of Population Health, University of Oulu, Oulu, Finland; The Wellbeing Service County of North Ostrobothnia, Pohde, Finland; Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Oulu, Finland.
Objectives: This study aimed to translate and adapt the Malocclusion Impact Questionnaire (MIQ) into Finnish; to estimate its psychometric properties when applied to Finnish adolescents; and to estimate the effect of demographic characteristics on the perceived impact of malocclusion.
Methods: The Finnish version of MIQ (MIQ-Fi) was established through translation, back-translation, and a pilot study. Psychometric properties were estimated using factorial validity (confirmatory factor analysis [CFA]), convergent validity (Average Variance Extracted [AVE]), and reliability (αordinal and ω).
Front Psychol
January 2025
Department of Psychology, Friedrich-Schiller-Universität, Jena, Germany.
This research examines the factor structure and psychometric properties of two well-known Dark Triad personality trait questionnaires: the Short Dark Triad (SD3) and the Dirty Dozen (DD). By analyzing data from 11 (SD3) and 5 (DD) carefully selected studies in the United States and Canada, this meta-analysis uncovers unexpected correlations among questionnaire items, challenging existing assumptions. The study employs a two-stage structural equation modeling approach to evaluate various measurement models.
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January 2025
Programa de Pós-graduação em Distúrbios da Comunicação Humana, Departamento de Fonoaudiologia, Universidade Federal de Santa Maria - UFSM - Santa Maria (RS), Brasil.
Purpose: To present the criterion validity, sensitivity, specificity, and cut-off scores for the Profiles of Early Expressive Phonological Skills Test - Brazilian Portuguese (PEEPS-BP) - Expanded List.
Methods: This was a quantitative cross-sectional psychometric study. The sample consisted of 30 children with no identified neurodevelopmental disorders aged 24 to 36 months.
Int J Rheum Dis
January 2025
School of Nursing, Peking University, Beijing, People's Republic of China.
Background: In Chinese intervention studies, the lack of specific self-care scales based on the functional characteristics of Rheumatoid arthritis (RA) patients has caused patients and researchers to spend a great deal of time completing multiple related scales during the research work. Therefore, the arthritis Self-Care Behaviors Scale (SCBS) was developed to evaluate the self-care behavior of patients with arthritis.
Objective: The objectives of this study were to translate the SCBS into Chinese and test its psychometric properties in Chinese patients with RA.
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