36 research outputs found
Desarrollo y validación de una versión preliminar de la escala de competencia emocional en el deporte (ECE_D)
El importante papel que juegan las emociones en los contextos deportivos ha sido ampliamente defendido en la literatura
sobre psicología del deporte. El objetivo de este estudio es desarrollar y validar un instrumento para evaluar la
competencia emocional de los deportistas. La muestra la componen 367 deportistas de ambos géneros pertenecientes a
diferentes disciplinas deportivas. Se analizaron los antecedentes y las características psicométricas de la Escala de
Desarrollo Emocional (Schutte, Malouff, Hall, Haggerty, Cooper, Golden y Dornhein, 1998). Los resultados obtenidos
confirmaron en términos generales el modelo de cuatro factores propuesto por los autores originales y además, plantea la
posibilidad de incluir mejoras sustanciales del cuestionario para futuras versiones relacionadas con su aplicabilidad.The relevant role of emotions in competitive contexts has been widely supported in the sport psychology literature. The
aim of this study was to create a valid measure of emotional development in sports. The sample is composed by 367
sportsmen/women belonging to different sporting disciplines. Analyses were performed about the antecedents and the
psychometric properties of the Emotional Development Scale (Schutte, Malouff, Hall, Haggerty, Cooper, Golden &
Dornhein, 1998). Results showed that, in general terms, the initially proposed four factor model was supported.
Implications for considering the improvement of the applicability questionnaire are advance
The influence of the physical education teacher on intrinsic motivation, self-confidence, anxiety, and pre-and post-competition mood states
One of the fundamental problems facing teachers of physical education (PE) is how to increase pupils' motivation. From the point of view of goal achievement, guidelines need to be established so that information may be used to greater effect in classes. This study examined the relationship between the motivational climate created by the PE teacher and the intrinsic motivation of the preparatory sessions together with self-confidence and anxiety prior to competition and pre- and post-competition mood states. The sample was made up of school children (M age = 11.7) from a state school (N = 115), who, after an introduction to an athletics course of 12 sessions, took part in a sports competition. During this time, a teacher (trained to this effect) manipulated the motivational climate, adapting the strategies of TARGET (11, 12, 26, 28). The mastery climate was linked to enjoyment, perceived ability, and effort in the PE classes, as well as to pre-competition somatic anxiety and post-competition vigor. On the other hand, the performance climate was associated with self-confidence, pre-competition vigor, and post-competition stress. The results are discussed in relation to achievement goal theory and motivational climate manipulation
Evaluation of phosphatidylserine-dependent antiprothrombin antibody testing for the diagnosis of antiphospholipid syndrome: results of an international multicentre study.
OBJECTIVE:
A task force of scientists at the International Congress on Antiphospholipid Antibodies recognized that phosphatidylserine-dependent antiprothrombin antibodies (aPS/PT) might contribute to a better identification of antiphospholipid syndrome (APS). Accordingly, initial and replication retrospective, cross-sectional multicentre studies were conducted to ascertain the value of aPS/PT for APS diagnosis.
METHODS:
In the initial study (eight centres, seven countries), clinical/laboratory data were retrospectively collected. Serum/plasma samples were tested for IgG aPS/PT at Inova Diagnostics (Inova) using two ELISA kits. A replication study (five centres, five countries) was carried out afterwards.
RESULTS:
In the initial study (n = 247), a moderate agreement between the IgG aPS/PT Inova and MBL ELISA kits was observed (k = 0.598). IgG aPS/PT were more prevalent in APS patients (51%) than in those without (9%), OR 10.8, 95% CI (4.0-29.3), p < 0.0001. Sensitivity, specificity, positive (LR+) and negative (LR-) likelihood ratio of IgG aPS/PT for APS diagnosis were 51%, 91%, 5.9 and 0.5, respectively. In the replication study (n = 214), a moderate/substantial agreement between the IgG aPS/PT results obtained with both ELISA kits was observed (k = 0.630). IgG aPS/PT were more prevalent in APS patients (47%) than in those without (12%), OR 6.4, 95% CI (2.6-16), p < 0.0001. Sensitivity, specificity, LR + and LR- for APS diagnosis were 47%, 88%, 3.9 and 0.6, respectively.
CONCLUSIONS:
IgG aPS/PT detection is an easily performed laboratory parameter that might contribute to a better and more complete identification of patients with APS.info:eu-repo/semantics/publishedVersio
Validade fatorial e fiabilidade da versão em espanhol do questionário Sport Imagery Ability Questionnaire (SIAQ)
Esta investigación tuvo como objetivo encontrar evidencias de
validez factorial y fiabilidad del Sport Imagery Ability Questionnaire SIAQ
(Williams y Cumming, 2011) en una versión traducida al castellano y de-
nominada Cuestionario de Habilidad de Imaginería en el Deporte (CHID).
Evalúa la facilidad a la hora de generar imágenes de diferente contenido de
los y las deportistas en cinco ámbitos diferentes Estrategia, Adversidad, Ha-
bilidad, Afectos y Logro. Se ha llevado a cabo un estudio con una muestra
de 360 deportistas, 93 mujeres y 267 hombres, de diferentes modalidades
tanto individuales como colectivas. Tomando el modelo teórico final del es-
tudio de Williams y Cumming (2011) se llevó a cabo un Análisis Factorial
Confirmatorio (AFC) que reveló un modelo de 5 factores y 15 ítems con
evidencias de validez factorial. Asimismo, se llevaron a cabo un análisis de
consistencia interna (alfa de Cronbach, fiabilidad compuesta y promedio
de varianza explicada), y otro de estabilidad temporal (test-retest con un
intervalo de un mes entre la primera y la segunda vez que completan el
cuestionario) para hallar evidencias de fiabilidad del instrumento. En gene-
ral, el CHID demuestra una buena validez factorial y consistencia interna.Abstract: This research aimed to find evidence of the validity and relia-
bility of the Sport Imagery Ability Questionnaire SIAQ (Williams and
Cumming, 2011) in a Spanish translated version called “Cuestionario de
Habilidad de Imaginería en el Deporte” (CHID). The SIAQ is a 15 item
questionnaire to assess five types of athlete imagery ability: skill imagery
ability, strategy imagery ability, goal imagery ability, affect imagery abi-
lity, and mastery imagery ability. The study consisted of a sample of 360
athletes, 93 women and 267 men, of different individual and team sports.
Taking the final theoretical model of Williams and Cumming (2011), the researchers conducted a Confirmatory Factor Analysis (CFA) that revealed
a model of 5 factors and 15 items with evidence of factorial validity. Fur-
thermore, an analysis of internal consistency (Cronbach’s alpha, composite
reliability and Average Variance Extracted) and a test-retest analysis were
carried out, with a time interval of a month in between, to find evidence of
the reliability of the instrument. In general, the CHID demonstrates good
factorial validity and internal reliability.Resumo: Esta pesquisa teve como objetivo encontrar evidências de valida-
de e confiabilidade do questionário Sport Imagery Ability Questionnaire
SIAQ (Williams e Cumming, 2011) em uma versão traduzida em espan-
hol chamada «Cuestionario de Habilidad de Imaginería en el Deporte»
(CHID, Cuestionário de Habilidade de Imagiologia no Deporte). O SIAQ
é um questionário de 15 itens para avaliar cinco tipos de habilidades de
imaginação de atleta diferentes: habilidade de imaginação, habilidade de
capacidade de estratégia, habilidade de imagem de objetivo, habilidade de
imagem de afeto e habilidade de imagem de domínio. O estudo consistiu
de uma amostra de 360 atletas, 93 mulheres e 267 Homens, de diferentes
esportes individuais e de equipe. Considerando o modelo teórico final de
Williams e Cumming (2011), os pesquisadores realizaram uma análise de
fatores confirmatória (CFA) que revelou um modelo de 5 fatores e 15 itens
com evidência de validade. Realizou-se também uma análise de consistên-
cia interna (alfa de Cronbach, confiabilidade composta e variância média
extraída). Por fim, foi feita uma análise teste-reteste com um intervalo de
tempo de um mês entre os dois. Em geral, o CHID que demonstra boa
validade fatorial e confiabilidade interna
Improved prediction of biochemical recurrence after radical prostatectomy by genetic polymorphisms
Purpose: Single nucleotide polymorphisms are inherited genetic variations that can predispose or protect individuals against clinical events. We hypothesized that single nucleotide polymorphism profiling may improve the prediction of biochemical recurrence after radical prostatectomy.
Materials and methods: We performed a retrospective, multi-institutional study of 703 patients treated with radical prostatectomy for clinically localized prostate cancer who had at least 5 years of followup after surgery. All patients were genotyped for 83 prostate cancer related single nucleotide polymorphisms using a low density oligonucleotide microarray. Baseline clinicopathological variables and single nucleotide polymorphisms were analyzed to predict biochemical recurrence within 5 years using stepwise logistic regression. Discrimination was measured by ROC curve AUC, specificity, sensitivity, predictive values, net reclassification improvement and integrated discrimination index.
Results: The overall biochemical recurrence rate was 35%. The model with the best fit combined 8 covariates, including the 5 clinicopathological variables prostate specific antigen, Gleason score, pathological stage, lymph node involvement and margin status, and 3 single nucleotide polymorphisms at the KLK2, SULT1A1 and TLR4 genes. Model predictive power was defined by 80% positive predictive value, 74% negative predictive value and an AUC of 0.78. The model based on clinicopathological variables plus single nucleotide polymorphisms showed significant improvement over the model without single nucleotide polymorphisms, as indicated by 23.3% net reclassification improvement (p = 0.003), integrated discrimination index (p <0.001) and likelihood ratio test (p <0.001). Internal validation proved model robustness (bootstrap corrected AUC 0.78, range 0.74 to 0.82). The calibration plot showed close agreement between biochemical recurrence observed and predicted probabilities.
Conclusions: Predicting biochemical recurrence after radical prostatectomy based on clinicopathological data can be significantly improved by including patient genetic information