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Publicações

Publicações por José Vasconcelos Raposo

2010

Confirmatory Factorial Analysis of TEOSQp

Autores
Fernandes, HM; Branco Vasconcelos Raposo, JJB;

Publicação
PSICOLOGIA-REFLEXAO E CRITICA

Abstract
The present research assessed the reliability, factorial validity and measurement invariance (by gender) of the Portuguese version of TEOSQ - Task and Ego Orientation in Sport Questionnaire (Fonseca & Biddle, 2001). Data were collected from 1010 physical education students with a mean age of 15.42 (SD=1.91). Factorial and invariance measurements were tested via confirmatory factorial analysis. Results supported internal consistency for the two proposed subscales (task and ego). Based on modification indices and theoretical justification the TEOSQp was reduced to 12 items with better goodness-of-fit indices for the oblique model. The results of gender invariance did not provide full empirical support to the multi-group equivalence assumption, being suggested that TEOSQp does not measure in the same way goal orientations for boys (orthogonal model) and girls (oblique model). In light of these results, conceptual, empirical and practical issues were discussed.

2012

Factorial Validity and Invariance of the Rosenberg Self-Esteem Scale Among Portuguese Youngsters

Autores
Vasconcelos Raposo, J; Fernandes, HM; Teixeira, CM; Bertelli, R;

Publicação
SOCIAL INDICATORS RESEARCH

Abstract
The purpose of the present study was to examine the reliability, factorial validity and measurement invariance (across gender, age and physical activity participation) of a Portuguese version of the Rosenberg Self-Esteem Scale (RSES). The sample consisted of 1,763 Portuguese youngsters (731 male and 1,032 female) with ages between 15 and 20 years. Reliability estimate for the one-factor solution was .845, although some proposed RSES's underlying dimensions were lower than .70. Confirmatory factor analysis revealed that the best-fitting model was a single self-esteem factor, plus simultaneous correlated uniqueness for positively and negatively worded items. Multigroup analysis supported measurement invariance across age and physical activity participation, and partial metric invariance across gender, as three items failed to show metric equivalence. These results provide evidence that RSES has excellent psychometric properties and it is a valid self-esteem measure to be used among Portuguese youngsters.

2012

Factor structure and normative data of the Greene Climacteric Scale among postmenopausal Portuguese women

Autores
Vasconcelos Raposo, J; Coelho, E; Fernandes, HM; Rodrigues, C; Moreira, H; Teixeira, C;

Publicação
MATURITAS

Abstract
Objectives: The purposes of the present study were to assess the factorial structure and reliability of the Greene Climacteric Scale (GCS), and provide normative data for a sample of postmenopausal Portuguese women. Methods: A sample of 401 Caucasian women, with ages between 47 and 91 years, divided into four age groups (47-57: 31.4%, 58-68: 40.4%, 69-79: 21.4% and >= 80: 6.7%), voluntarily participated in the study. The Greene Climacteric Scale aims to measure psychological symptoms divided into anxiety and depression, somatic and vasomotor symptoms with a total of 21 items. Data were analyzed by reliability, correlation and confirmatory factor analyses. Age group differences in the raw and the standardized scores of symptoms clusters were investigated by means of ANOVA procedures. Results: The CFA performed supported the 4-factor structure specified by Greene (*CFI = 0.937; SRMR = 0.046; *RMSEA (90%IC) = 0.050 (0.042-0.058). The computed internal consistency estimates ranged from 0.73 to 0.90. Vasomotor symptoms (hot flushes and sweating at night) were experienced most frequently by the younger age group (47-57 years) while nonspecific symptoms (e.g. difficulty in concentrating, feeling tired or lacking in energy, breathing difficulties) were reported more frequently by the older age groups. Conclusions: Our results suggest that the Portuguese version of the GCS is a reliable and a valid instrument for the measurement of climacteric-related factors in postmenopausal women.

2012

Effects of a Process-Oriented Goal Setting Model on Swimmer's Performance

Autores
Simoes, P; Vasconcelos Raposo, J; Silva, A; Fernandes, HM;

Publicação
JOURNAL OF HUMAN KINETICS

Abstract
The aim of this work was to study the impact of the implementation of a mental training program on swimmers' chronometric performance, with national and international Portuguese swimmers, based on the goal setting model proposed by Vasconcelos-Raposo (2001). This longitudinal study comprised a sample of nine swimmers (four male and five female) aged between fourteen and twenty, with five to eleven years of competitive experience. All swimmers were submitted to an evaluation system during two years. The first season involved the implementation of the goal setting model, and the second season was only evaluation, totaling seven assessments over the two years. The main results showed a significant improvement in chronometric performance during psychological intervention, followed by a reduction in swimmers' performance in the second season, when there was no interference from the investigators (follow-up).

2005

Continuum de Auto-Determinação: validade para a sua aplicação no contexto desportivo

Autores
Fernandes, HM; Vasconcelos-Raposo, J;

Publicação
Estudos de Psicologia (Natal)

Abstract
A motivação intrínseca e os seus benefícios têm sido uma das principais áreas de investigação da Psicologia do Desporto. Contudo, o mesmo não se verifica quanto ao conhecimento do modo como os comportamentos são regulados e internalizados intrinsecamente pelos indivíduos. O propósito do presente estudo foi definir a validade de aplicação do continuum de auto-determinação (Deci & Ryan, 1985) no contexto da Educação Física. Uma amostra de 1099 alunos (544 moças e 555 rapazes) com uma média de 14,66±0,75 anos de idade, respondeu a uma adaptação e tradução do questionário de Goudas, Biddle e Fox (1994) que visa medir as formas motivacionais definidas no continuum. Os procedimentos de modelação por equações estruturais evidenciaram suporte empírico para a utilização do continuum de auto-determinação na compreensão do modo como os alunos regulam intrinsecamente o seu comportamento neste contexto. São sugeridas algumas linhas de intervenção considerando os resultados obtidos.

2007

Análise factorial confirmatória da versão portuguesa do CSAI-2

Autores
Coelho, EM; Vasconcelos-Raposo, J; Fernandes, HM;

Publicação
Motricidade

Abstract

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