Search Results - "Duda, J. L."

Application of free-volume theory to self diffusion of solvents in polymers below the glass transition temperature: A review by Ramesh, N., Davis, P. K., Zielinski, J. M., Danner, R. P., Duda, J. L.

“…Theories based on free‐volume concepts have been developed to characterize the self and mutual‐diffusion coefficients of low molecular weight penetrants in…”
Get full text

Effects of a programme of vigorous physical activity during secondary school physical education on academic performance, fitness, cognition, mental health and the brain of adolescents (Fit to Study): study protocol for a cluster-randomised trial by Wassenaar, T M, Wheatley, C M, Beale, N, Salvan, P, Meaney, A, Possee, J B, Atherton, K E, Duda, J L, Dawes, H, Johansen-Berg, H

“…Early adolescence is a period of dynamic neurobiological change. Converging lines of research suggest that regular physical activity (PA) and improved aerobic…”
Get full text

Changes in work affect in response to lunchtime walking in previously physically inactive employees: A randomized trial by Thøgersen-Ntoumani, C., Loughren, E. A., Kinnafick, F.-E., Taylor, I. M., Duda, J. L., Fox, K. R.

“…Physical activity may regulate affective experiences at work, but controlled studies are needed and there has been a reliance on retrospective accounts of…”
Get full text

Elastic effects on solubility in semicrystalline polymers by Serna, L. V., Becker, J. L., Galdámez, J. R., Danner, R. P., Duda, J. L.

“…Capillary column inverse gas chromatography experiments at infinite solvent dilution were conducted for 15 polyethylene/solvent systems. Thermodynamic data…”
Get full text

Influence of swelling and diffusion-induced convection on polymer sorption processes by Alsoy, Sacide, Duda, J. L.

“…Unsteady‐state sorption of a vapor or liquid by a polymer is modeled to include the influence of the moving phase boundary associated with the polymer swelling…”
Get full text

A test of basic psychological needs theory in young soccer players: time‐lagged design at the individual and team levels by González, L., Tomás, I., Castillo, I., Duda, J. L., Balaguer, I.

“…Within the framework of basic psychological needs theory (Deci & Ryan, 2000), multilevel structural equation modeling (MSEM) with a time‐lagged design was used…”
Get full text

The relationship between observed and perceived assessments of the coach-created motivational environment and links to athlete motivation by Smith, N., Tessier, D., Tzioumakis, Y., Fabra, P., Quested, E., Appleton, P., Sarrazin, P., Papaioannou, A., Balaguer, I., Duda, J.L.

“…The majority of research examining the relationship between the coach-created motivational and athlete motivation has relied on self-report measures. Grounded…”
Get full text

Role of sports psychology and sports nutrition in return to play from musculoskeletal injuries in professional soccer: an interdisciplinary approach by Rollo, I., Carter, J. M., Close, G. L., Yangüas, J., Gomez-Diaz, A., Medina Leal, D., Duda, J. L., Holohan, D., Erith, S. J., Podlog, L.

“…Musculoskeletal injuries are prevalent in professional soccer and can result in lost training time or match play. It is intuitive that the "return to play"…”
Get full text

Does the intensity of daily walking matter for protecting against the development of a slow gait speed in people with or at high risk of knee osteoarthritis? An observational study by Fenton, S.A.M., Neogi, T., Dunlop, D., Nevitt, M., Doherty, M., Duda, J.L., Klocke, R., Abhishek, A., Rushton, A., Zhang, W., Lewis, C.E., Torner, J., Kitas, G., White, D.K.

“…Knee osteoarthritis (OA) is a risk factor for a decline in gait speed. Daily walking reduces the risk of developing slow gait speed and future persistent…”
Get full text

A free-volume term based on the van der Waals partition function for the UNIFAC model by Kannan, D.C., Duda, J.L., Danner, R.P.

“…The objective of this work was to develop a model that takes into account the unique free-volume effect of water. The free-volume percentage of water is less…”
Get full text

Perceived motivational climate, need satisfaction and indices of well-being in team sports: A longitudinal perspective by Reinboth, Michael, Duda, Joan L.

“…Grounded in the self-determination and achievement goal frameworks [Ames, C. (1992). Achievement goals, motivational climate, and motivational processes. In G…”
Get full text

Predicting migration of trace amounts of styrene in poly(styrene) below the glass transition temperature by Ramesh, N., Duda, J.L.

“…The use of general purpose polystyrene (GPPS) as food packaging material is widespread. Therefore, the rate of migration of the styrene in GPPS is of interest…”
Get full text

Analysis of a gap dryer used to produce polymer films and coatings by Ramesh, Narayan, Duda, J. L.

“…The ability to predict the drying behavior of thin films and coatings is of great importance to the coating industry and governs the economical production of…”
Get full text

A test of self-determination theory in school physical education by Standage, Martyn, Duda, Joan L., Ntoumanis, Nikos

“…Contemporary research conducted in the context of school physical education (PE) has increasingly embraced various tenets of self-determination theory. Despite…”
Get full text

Application of UNIFAC–vdW–FV model to water–PEO systems by Kannan, D.C., Duda, J.L., Danner, R.P.

“…The recently introduced UNIFAC–vdW–FV model has been extended to account for the molecular weight effect in water–PEO systems, one of the most important…”
Get full text

Students' Motivational Processes and Their Relationship to Teacher Ratings in School Physical Education: A Self-Determination Theory Approach by Standage, Martyn, Duda, Joan L, Ntoumanis, Nikos

“…In the present study, we used a model of motivation grounded in self-determination theory (Deci & Ryan, 1985, 1991; Ryan & Deci, 2000a, 2000b, 2002) to examine…”
Get full text

Goal orientations, beliefs about success, and performance improvement among young elite Dutch soccer players by Van-Yperen, N. W., Duda, J. L.

“…Extending past work testing goal perspective theory in sport, one purpose of this study was to examine, via a longitudinal design, the relationship of goal…”
Get full text

Predicting young athletes' motivational indices as a function of their perceptions of the coach- and peer-created climate by Vazou, Spiridoula, Ntoumanis, Nikos, Duda, Joan L.

“…The purpose of this study was to examine the additive and interactive influence of perceptions of the coach- and peer-created motivational climates (MC) on…”
Get full text

Motivational climate and goal orientations as predictors of perceptions of improvement, satisfaction and coach ratings among tennis players by Balaguer, I., Duda, J. L., Crespo, M.

“…One purpose of this work was to study the relationship of goal orientations and the perceived motivational climate created by the coach in relation to 219…”
Get full text

Solubility and Diffusivity of Solvents and Nonsolvents in Polysulfone and Polyetherimide by Balashova, Ida M, Danner, Ronald P, Puri, Pushpinder S, Duda, J. Larry

“…The inverse gas chromatography method was used for the investigation of the partition and diffusion coefficients of polysulfone and polyetherimide with NMP,…”
Get full text