Browsing by Author "Saraiva, Linda Maria Balinha"
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- Adaptação e validação da escala perceived movement skill competence for young children: aspetos metodológicosPublication . Costa, André D.; Lameiras, Joana; Gonçalves, Celina; Saraiva, Linda Maria Balinha; Lopes, Vitor P.A proficiência das crianças nas habilidades motoras básicas (HMB) (por ex. lançar, pontapear e saltar) está associada aos níveis de a'vidade Msica habitual (AF)(1). A perceção da competência motora também parece desempenhar um papel importante na mo'vação para a AF (2). Harter e Pike publicaram um instrumento de avaliação da competência percebida para crianças da segunda infância (4 a 8 anos de idade)(3). Contudo, embora avalie a perceção da competência Msica em termos das ações Wpicas ou genéricas das crianças, tais como apertar os cordões dos sapatos ou baloiçar num baloiço, não avalia de forma adequada a competência percebida no 'po de habilidades motoras subjacentes aos desportos e jogos Wpicos da infância e de outros períodos etários posteriores. O desenvolvimento de um instrumento de avaliação da competência motora percebida (CMP) mais específico irá permi'r uma melhor e mais aprofundado esclarecimento das relações entre a competência motora (CM), a CMP e a AF nas crianças.
- Adaptação e validação da escala Perceived movement skill competence for young children: aspetos metodológicosPublication . Costa, André D.; Lameiras, Joana; Gonçalves, Celina; Saraiva, Linda Maria Balinha; Lopes, Vitor P.O objetivo foi fazer a validação de um instrumento específico de avaliação da CMP já validado para a língua inglesa. A escala foi aplicada a 188 crianças, de ambos os sexos (meninas n=100) com idades entre os 4 e os 10 anos (7,35±1,38). Uma sub-amostra aleatória foi avaliada duas vezes com um intervalo de uma semana para estudar a fiabilidade do instrumento, através do coeficiente de correlação intraclasse (CCI). A consistência interna foi estimada através do alfa de Cronbach. A fiabilidade item a item variou entre 0,22 e 0,91 para as habilidades de locomoção e entre 0,75 e 0,80 para as habilidades de controlo de objetos. A consistência interna para a globalidade dos itens foi de a=0,72. Para o conjunto das habilidades de controlo de objetos foi de a=0,72 e de a =0,55 para o conjunto das habilidades de locomoção. Estes resultados preliminares apontam que o instrumento apresenta índices de precisão que suportam a sua utilização para avaliar a perceção da competência percebida motora em crianças portuguesas. Contudo, falta ainda desenvolver a sua validação facial.
- Association between perceived and actual Motor competence in Portuguese childrenPublication . Lopes, Vitor P.; Saraiva, Linda Maria Balinha; Gonçalves, Celina; Rodrigues, Luis PauloThe aim of this study was to examine the relationship between actual (AMC) and perceived (PMC) motor competence in Portuguese children. A total of 200 children (111 [0.55%] girls) aged 5 – 9 years old participated in the study. The Pictorial Scale of Perceived Movement Skill Competence (PMSC) and the Test of Gross Motor Development-2 (TGMD2) were used to assess PMC and AMC, respectively. Mann-Whiney U was used to test the differences between sexes and age groups. The association between TGMD2 and PMSC scores was analyzed through Spearman correlation. Boys and girls of all ages showed to have high PMC. Independent of sex, mean values for each TGMD2 subtest increased throughout the age groups with older children having signi fi cantly higher mean scores than younger ones. In general, boys and girls showed similar PMC and AMC, independent of age. Weak to moderate and some negative correlations (0.24 < r < − 0.40) were found between PMC and AMC scores for all age and sex groups. In conclusion, there appears to be little relationship between actual and perceived motor competence in Portuguese young children.
- Reliability and construct validity of the test of gross motor development-2 in Portuguese childrenPublication . Lopes, Vitor P.; Saraiva, Linda Maria Balinha; Rodrigues, Luis PauloBackground It is important to assess young children ’ s perceived Fundamental Movement Skill (FMS) competence in order to examine the role of perceived FMS competence in motivation toward physical activity. Children ’ s perceptions of motor competence may vary according to the culture/country of origin; therefore, it is also important to measure perceptions in different cultural contexts. The purpose was to assess the face validity, internal consistency, test – retest reliability and construct validity of the 12 FMS items in the Pictorial Scale for Perceived Movement Skill Competence for Young Children (PMSC) in a Portuguese sample. Methods Two hundred one Portuguese children (girls, n = 112), 5 to 10 years of age (7.6 ± 1.4), participated. All children completed the PMSC once. Ordinal alpha assessed internal consistency. A random subsamples (n = 47) were reassessed one week later to determine test – retest reliability with Bland – Altman method. Children were asked questions after the second administration to determine face validity. Construct validity was assessed on the whole sample with a Bayesian Structural Equation Modelling (BSEM) approach. The hypothesized theoretical model used the 12 items and two hypothesized factors: object control and locomotor skills. Results The majority of children correctly identified the skills and could understand most of the pictures. Test – retest reliability analysis was good, with an agreement ration between 0.99 and 1.02. Ordinal alpha values ranged from acceptable (object control 0.73, locomotor 0.68) to good (all FMS 0.81). The hypothesized BSEM model had an adequate fit. Conclusions The PMSC can be used to investigate perceptions of children ’ s FMS competence. This instrument can also be satisfactorily used among Portuguese children.
- Validação e fiabilidade do test of gross motor development 2 (TGMD2) em crianças portuguesasPublication . Lopes, Vitor P.; Saraiva, Linda Maria Balinha; Rodrigues, Luis PauloO objetivo desta pesquisa e determinar as propriedades psicométricas do TGMD-2 numa amostra de crianças portuguesas. 300 crianças com idades entre os 5 e os 10 anos foram avaliadas com 0 TGMD-2. A consistência interna foi determinada com 0 alfa de Cronbach. A fiabilidade teste resteste foi estimada através do método de Bland-Altman. A validação de conceito (construct validity) foi avaliada através de analise fatorial confirmatória (AFC). No modelo testado utilizaram-se as 12 habilidades motoras com dois fatores: habilidades de controlo de objetos e habilidades de locomoção. A fiabilidade teste resteste foi boa, com o rácio de concordância de 0,96 (0,09) para as 12 habilidades motoras.
- Validade e Fiabilidade de um Instrumento Pictográfico para Avaliação da Competência Motora Percebida em CriançasPublication . Lopes, Vitor P.; Barnett, Lisa M.; Saraiva, Linda Maria Balinha; Gonçalves, Celina; Bowe, Steven J.; Abbott, Gavin; Rodrigues, Luis PauloAvaliar a validade facial, a consistência interna, a fiabilidade teste-reteste e a validade de conceito dos 12 itens de habilidades básicas da pictorial scale for perceived movement skill competence for young children (PMSC) em crianças portuguesas.
- Validity and reliability of a pictorial instrument for assessing perceived motor competence in Portuguese childrenPublication . Lopes, Vitor P.; Barnett, Lisa M.; Saraiva, Linda Maria Balinha; Gonçalves, Celina; Bowe, Steven J.; Abbott, Gavin; Rodrigues, Luis PauloIt is important to assess young children's perceived Fundamental Movement Skill (FMS) competence in order to examine the role of perceived FMS competence in motivation toward physical activity. Children's perceptions of motor competence may vary according to the culture/country of origin; therefore, it is also important to measure perceptions in different cultural contexts. The purpose was to assess the face validity, internal consistency, test–retest reliability and construct validity of the 12 FMS items in the Pictorial Scale for Perceived Movement Skill Competence for Young Children (PMSC) in a Portuguese sample. Methods Two hundred one Portuguese children (girls, n = 112), 5 to 10 years of age (7.6 ± 1.4), participated. All children completed the PMSC once. Ordinal alpha assessed internal consistency. A random subsamples (n = 47) were reassessed one week later to determine test–retest reliability with Bland–Altman method. Children were asked questions after the second administration to determine face validity. Construct validity was assessed on the whole sample with a Bayesian Structural Equation Modelling (BSEM) approach. The hypothesized theoretical model used the 12 items and two hypothesized factors: object control and locomotor skills. Results The majority of children correctly identified the skills and could understand most of the pictures. Test–retest reliability analysis was good, with an agreement ration between 0.99 and 1.02. Ordinal alpha values ranged from acceptable (object control 0.73, locomotor 0.68) to good (all FMS 0.81). The hypothesized BSEM model had an adequate fit. Conclusions The PMSC can be used to investigate perceptions of children's FMS competence. This instrument can also be satisfactorily used among Portuguese children.