Psychometric examination and factorial validity of the Exercise Dependence Scale-Revised in Italian exercisers

Background and aims: The purpose of this study was to verify the factorial structure, internal validity, reliability, and criterion validity of the 21-item Exercise Dependence Scale-Revised (EDS-R) in an Italian sample. Methods: Italian voluntary (N = 519) users of gyms who had a history of regular exercise for over a year completed the EDS-R and measures of exercise frequency. Results and conclusions: Confirmatory factor analyses demonstrated a good fit to the hypothesized 7-factor model, and adequate internal consistency for the scale was evidenced. Criterion validity was evidenced by significant correlations among all the subscale of the EDS and exercise frequency. Finally, individuals at risk for exercise dependence reported more exercise behavior compared to the nondependent-symptomatic and nondependent-asymptomatic groups. These results suggest that the seven subscales of the Italian version of the EDS are measuring the construct of exercise dependence as defined by the DSM-IV criteria for substance dependence and also confirm previous research using the EDS-R in other languages. More research is needed to examine the psychometric properties of the EDS-R in diverse populations with various research designs

The incremental role of trait emotional intelligence on perceived cervical screening barriers

Researchers have become increasingly interested in investigating the role of the psychological aspects related to the perception of cervical screening barriers. This study investigates the influence of trait EI on perceived cervical screening barriers. Furthermore, this study investigates the incremental validity of trait EI beyond the Big Five, as well as emotion regulation in the perceived barrier towards the Pap test as revealed in a sample of 206 Italian women that were undergoing cervical screening. Results have shown that trait EI is negatively related to cervical screening barriers. Furthermore, trait EI can be considered as a strong incremental predictor of a woman's perception of screening over and above the Big Five, emotion regulation, age, sexual intercourse experience and past Pap test. Detailed information on the study findings and future research directions are discussed

Psychometric evaluation of the Basic Psychological Need Satisfaction and Frustration Scale (BPNSFS) in Italy

Two studies were conducted to adapt the Basic Psychological Need Satisfaction and Frustration Scale (BPNSFS) to the Italian context. Results suggest that the BPNSFS can be considered a promising instrument in the context of SDT-based research for investigating satisfaction and frustration of the three basic needs in Italy

Rapport V.12. Quelques problèmes d’hémodynamique

In studying blood circulation, the physician is up against a complicated problem in that he cannot systematically apply the general concepts of hydrodynamics but has to reconsider them in detail. The following are typical instances of this type of problem : — The problem of laminar flow and the probable onset of pseudo-turbulence in certain parts of the vascular system. — Flow stability at blood vessel junctions and in stenoses. — The effect of the visco-elastic properties of blood vessels and other elements. Furthermore, in order to be able to describe the dynamics of blood flow, it is necessary to subdivide the circulation system into major zones, as arterial (pulsating) flow data cannot be applied to venous flow, and even less to micro-circulatory flow in which the particle and blood vessel diameters are nearly the same and the rheological properties of the element are of considerable importance.L’étude de la circulation sanguine pose pour le physicien un problème complexe. En effet, d’une façon générale les grands concepts de l’hydrodynamique classique ne sont pas applicables systématiquement et doivent être réétudiés de façon précise. Ainsi, entre autres problèmes citons : — Le problème de l’écoulement laminaire et l’apparition probable de pseudo-turbulence dans certaines zones du système vasculaire. — La stabilité de l’écoulement aux embranchements vasculaires et dans les sténoses. — L’influence des propriétés visco-élastiques des vaisseaux et des éléments figurés. D’autre part, une description dynamique de l’écoulement sanguin nécessite la division au système circulatoire en grandes zones. En effet, il n’est pas possible d’envisager l’extension des résultats obtenus pour l’écoulement artériel (flux pulsé) au cas de l’écoulement veineux ou encore moins à la microcirculation où les particules ont un diamètre voisin de celui du vaisseau et où les propriétés rhéologiques de l’élément deviennent très importantes.Stoltz J.-F., Larcan A. Rapport V.12. Quelques problèmes d’hémodynamique. In: Hydrotechnique des liquides industriels. Compte rendu des douzièmes journées de l'hydraulique. Paris, 6-8 juin 1972. Tome 2, 1973