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Self determination theory

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https://www.readbyqxmd.com/read/28100122/using-the-self-determination-theory-to-understand-chinese-adolescent-leisure-time-physical-activity
#1
Lijuan Wang
PURPOSES: This study applies the self-determination theory (SDT) to test the hypothesized relationships among perceived autonomy support from parents, physical education (PE) teachers, and peers, the fulfilment of psychological needs (i.e., autonomy, competence, and relatedness), autonomous motivation, and leisure-time physical activity of Chinese adolescents. METHOD: There are 255 grade six to eight student participants from four middle schools around Shanghai, China included in this study...
January 19, 2017: European Journal of Sport Science
https://www.readbyqxmd.com/read/28093364/fabrication-of-nanofibrous-electrospun-scaffolds-from-a-heterogeneous-library-of-co-and-self-assembling-peptides
#2
Mahboubeh Maleki, Antonino Natalello, Raffaele Pugliese, Fabrizio Gelain
: Self-assembling (SAPs) and co-assembling peptides (CAPs) are driving increasing enthusiasm as synthetic but biologically inspired biomaterials amenable of easy functionalization for regenerative medicine. On the other hand, electrospinning (ES) is a versatile technique useful for tailoring the nanostructures of various biomaterials into scaffolds resembling the extracellular matrices found in organs and tissues. The synergistic merging of these two approaches is a long-awaited advance in nanomedicine that has not been deeply documented so far...
January 13, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28089260/are-degenerative-rotator-cuff-disorders-a-cause-of-shoulder-pain-comparison-of-prevalence-of-degenerative-rotator-cuff-disease-to-prevalence-of-nontraumatic-shoulder-pain-through-three-systematic-and-critical-reviews
#3
Karl Vincent, Charlotte Leboeuf-Yde, Olivier Gagey
HYPOTHESIS AND BACKGROUND: The role of degeneration is not well understood for rotator cuff pain. If age-related degenerative changes would be the cause of symptoms, degeneration would precede or concur with self-reported pain. We performed 3 systematic literature reviews. Our objectives were to determine the prevalence estimates for rotator cuff partial or complete tears (1) in cadavers and (2) in the general population and (3) to estimate the incidence/prevalence of self-reported nontraumatic shoulder pain in the general population in order to compare their respective age-related profiles...
January 12, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28088208/stirring-the-motivational-soup-within-person-latent-profiles-of-motivation-in-exercise
#4
Magnus Lindwall, Andreas Ivarsson, Karin Weman-Josefsson, Linus Jonsson, Nikos Ntoumanis, Heather Patrick, Cecilie Thøgersen-Ntoumani, David Markland, Pedro Teixeira
BACKGROUND: The purpose of the present study was to use a person-oriented analytical approach to identify latent motivational profiles, based on the different behavioural regulations for exercise, and to examine differences in satisfaction of basic psychological needs (competence, autonomy and relatedness) and exercise behaviour across these motivational profiles. METHODS: Two samples, consisting of 1084 and 511 adults respectively, completed exercise-related measures of behavioural regulation and psychological need satisfaction as well as exercise behaviour...
January 14, 2017: International Journal of Behavioral Nutrition and Physical Activity
https://www.readbyqxmd.com/read/28087100/-improving-prevention-integrative-model-and-recommendations-intended-for-public-health-professionals
#5
REVIEW
G Broc, A Edjolo
Public health policies aim to diminish people's exposure to negative factors, behaviors or determinants of health. Despite awareness-raising campaigns, health recommendations are still not sufficiently followed. First, the article wondered the reasons behind this observation. In order to do this, we present a theoretical model incorporating: (a) the motivational theories of communication processing; (b) the theories of motivation and volition; (c) self-regulation and self-determination theories. In a second part, the paper describes five principles for improving communication...
January 10, 2017: Revue D'épidémiologie et de Santé Publique
https://www.readbyqxmd.com/read/28086921/a-randomized-controlled-trial-focusing-on-socio-economic-status-for-promoting-vegetable-intake-among-adults-using-a-web-based-nutrition-intervention-programme-study-protocol
#6
Saki Nakamura, Takayo Inayama, Takashi Arao
BACKGROUND: Web-based nutritional education programmes appear to be comparable to those delivered face-to-face. However, no existing web-based nutrition education or similar programme has yet been evaluated with consideration of socio-economic status. The objective of a nutritional education programme of promoting vegetable intake designed a randomized controlled trial (RCT) is to evaluate the results of intervention and to determine how socio-economic status influences the programme effects...
January 13, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28078332/surface-tension-and-a-self-consistent-theory-of-soft-composite-solids-with-elastic-inclusions
#7
Francesco Mancarella, John S Wettlaufer
The importance of surface tension effects is being recognized in the context of soft composite solids, where they are found to significantly affect the mechanical properties, such as the elastic response to an external stress. It has recently been discovered that Eshelby's inclusion theory breaks down when the inclusion size approaches the elastocapillary length L ≡ γ/E, where γ is the inclusion/host surface tension and E is the host Young's modulus. Extending our recent results for liquid inclusions, here we model the elastic behavior of a non-dilute distribution of isotropic elastic spherical inclusions in a soft isotropic elastic matrix, subject to a prescribed infinitesimal far-field loading...
January 12, 2017: Soft Matter
https://www.readbyqxmd.com/read/28074477/same-but-different-comparative-modes-of-information-processing-are-implicated-in-the-construction-of-perceptions-of-autonomy-support
#8
Rebecca Rachael Lee, Nikos L D Chatzisarantis
An implicit assumption behind tenets of self-determination theory is that perceptions of autonomy support are a function of absolute modes of information processing. In this study, we examined whether comparative modes of information processing were implicated in the construction of perceptions of autonomy support. In an experimental study, we demonstrated that participants employed comparative modes of information processing in evaluating receipt of small, but not large, amounts of autonomy support. In addition, we found that social comparison processes influenced a number of outcomes that are empirically related to perceived autonomy support such as sense of autonomy, positive affect, perceived usefulness, and effort...
January 11, 2017: British Journal of Psychology
https://www.readbyqxmd.com/read/28073287/psychological-growth-and-well-being-in-individuals-born-with-cleft-an-application-of-self-determination-theory
#9
Aidan Searle, Patricia Neville, Andrea Waylen
OBJECTIVE: Many studies of individuals born with cleft lip and/or palate (CLP) address the psychological impact of CLP in terms of stigma and/or 'resilience'. The present study challenges the usefulness of resilience in CLP research with the application of self-determination theory (SDT). It is proposed that SDT can serve to better understand how individuals born with CLP can achieve psychological growth and well-being. DESIGN: Interviews were conducted with 15 individuals born with CLP in the UK...
January 10, 2017: Psychology & Health
https://www.readbyqxmd.com/read/28061819/association-between-a-syndemic-of-psychosocial-problems-and-unprotected-anal-intercourse-among-men-who-have-sex-with-men-in-shanghai-china
#10
Ying Wang, Zezhou Wang, Mengmeng Jia, Ajuan Liang, Dong Yuan, Zhe Sun, Feng Gan, Yichen Wang, Yong Cai, Zhiruo Zhang
BACKGROUND: Previous studies have discussed the overlapping and reinforcing effects (defined as a syndemic) of psychosocial problems on high-risk sexual behaviors among men who have sex with men (MSM). The present study aimed to apply the syndemic theory to verify the reinforcing effects of psychosocial problems on unprotected anal intercourse (UAI) among MSM in Shanghai, and determine if other important psychosocial factors fit into the syndemic theory. METHODS: Data were collected from 547 MSM in Shanghai, China, through face-to-face interviews...
January 7, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28059255/complex-amplitude-reconstruction-for-dynamic-beam-quality-m-sup-2-sup-factor-measurement-with-self-referencing-interferometer-wavefront-sensor
#11
Yongzhao Du, Yuqing Fu, Lixin Zheng
A real-time complex amplitude reconstruction method for determining the dynamic beam quality M<sup>2</sup> factor based on a Mach-Zehnder self-referencing interferometer wavefront sensor is developed. By using the proposed complex amplitude reconstruction method, full characterization of the laser beam, including amplitude (intensity profile) and phase information, can be reconstructed from a single interference pattern with the Fourier fringe pattern analysis method in a one-shot measurement. With the reconstructed complex amplitude, the beam fields at any position z along its propagation direction can be obtained by first utilizing the diffraction integral theory...
December 20, 2016: Applied Optics
https://www.readbyqxmd.com/read/28059219/approach-to-atmospheric-laser-propagation-theory-based-on-the-extended-huygens-fresnel-principle-and-a-self-consistency-concept
#12
Erik J Bochove, V S Rao Gudimetla
We propose a self-consistency condition based on the extended Huygens-Fresnel principle, which we apply to the propagation kernel of the mutual coherence function of a partially coherent laser beam propagating through a turbulent atmosphere. The assumption of statistical independence of turbulence in neighboring propagation segments leads to an integral equation in the propagation kernel. This integral equation is satisfied by a Gaussian function, with dependence on the transverse coordinates that is identical to the previous Gaussian formulation by Yura [Appl...
January 1, 2017: Journal of the Optical Society of America. A, Optics, Image Science, and Vision
https://www.readbyqxmd.com/read/28058240/factors-influencing-exclusive-breastfeeding-among-iranian-mothers-a-longitudinal-population-based-study
#13
Mohsen Saffari, Amir H Pakpour, Hui Chen
Background: Exclusive breastfeeding (EBF) contributes to the health and survival of the newborns. Many factors influence the EBF behavior. This study aimed to identify the determinant factors in order to improve the practice of EBF among Iranian mothers. Methods: A longitudinal study was carried out in 1445 mothers with newborns in Qazvin city, Iran (September 2015-March 2016). Demographic variables as well as the constructs of theory of planned behavior (TBP) were measured by questionnaires. Bivariate analysis using Pearson and Spearman correlation tests with analysis of variance were used to investigate the associations among the variables...
2017: Health Promotion Perspectives
https://www.readbyqxmd.com/read/28057192/average-vs-item-response-theory-scores-an-illustration-using-neighbourhood-measures-in-relation-to-physical-activity-in-adults-with-arthritis
#14
T J Mielenz, L F Callahan, M C Edwards
OBJECTIVES: Our study had two main objectives: 1) to determine whether perceived neighbourhood physical features are associated with physical activity levels in adults with arthritis; and 2) to determine whether the conclusions are more precise when item response theory (IRT) scores are used instead of average scores for the perceived neighbourhood physical features scales. METHODS: Information on health outcomes, neighbourhood characteristics, and physical activity levels were collected using a telephone survey of 937 participants with self-reported arthritis...
January 2017: Public Health
https://www.readbyqxmd.com/read/28049335/ab-initio-quantum-chemical-computations-of-the-electronic-states-in-hgbr2-and-ibr-molecules-of-interest-on-the-earth-s-atmosphere
#15
Sebastian P Sitkiewicz, Josep M Oliva, Juan Z Dávalos, Rafael Notario, Alfonso Saiz-Lopez, Diego R Alcoba, Ofelia B Oña, Daniel Roca-Sanjuán
The electronic states of atmospheric relevant molecules IBr and HgBr2 are reported, within the UV-Vis spectrum range (170nm≤λphoton≤600 nm) by means of the complete-active-space self-consistent field/multi-state complete-active-space second-order perturbation theory/spin-orbit restricted-active-space state-interaction (CASSCF/MS-CASPT2/SO-RASSI) quantum-chemical approach and atomic-natural-orbital relativistic-correlation-consistent (ANO-RCC) basis sets. Several analyses of the methodology were carried out in order to reach converged results and therefore to establish a highly accurate level of theory...
December 28, 2016: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28045885/moral-distress-model-reconstructed-using-grounded-theory
#16
Hsun-Kuei Ko, Chi-Chun Chin, Min-Tao Hsu
BACKGROUND: The problems of nurse burnout and manpower shortage relate to moral distress. Thus, having a good understanding of moral distress is critical to developing strategies that effectively improve the clinical ethical climate and improve nursing retention in Taiwan. PURPOSE: The aim of this study was to reconstruct the model of moral distress using the grounded theory. METHODS: Twenty-five staff nurses at work units who attend to the needs of adult, pediatric, acute, and critical disease or end-of-life-care patients were recruited as participants using theoretical sampling from three teaching hospitals in Taiwan...
December 29, 2016: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/28043018/dynamic-axes-of-informed-consent-in-japan
#17
Laura Specker Sullivan
Scholarship in cross-cultural bioethics routinely frames Japanese informed consent in contrast to informed consent in North America. This contrastive analysis foregrounds cancer diagnosis disclosure and physician paternalism as unique aspects of Japanese informed consent that deviate from American practices. Drawing on in-depth interviews with 15 Japanese medical professionals obtained during fieldwork in Japan from 2013 to 15, this article complicates the informed consent discourse beyond East-West comparisons premised on Anglo-American ethical frameworks...
December 23, 2016: Social Science & Medicine
https://www.readbyqxmd.com/read/28039564/identity-processes-and-intrinsic-and-extrinsic-goal-pursuits-directionality-of-effects-in-college-students
#18
Koen Luyckx, Bart Duriez, Lindsey M Green, Oana Negru-Subtirica
Identity research has mainly focused on the degree to which adolescents and emerging adults engage in exploration and commitment to identity goals and strivings. Somewhat lacking from this research tradition is an explicit focus on the content of the identity goals that individuals deem important and pursue. The present manuscript describes two longitudinal studies sampling college students in which we examine how exploration and commitment processes relate to intrinsic and extrinsic goal pursuits as defined in Self-Determination Theory...
December 30, 2016: Journal of Youth and Adolescence
https://www.readbyqxmd.com/read/28035054/the-relationship-between-autonomous-motivation-and-autonomy-support-in-medical-students-academic-achievement
#19
Rose Feri, Diantha Soemantri, Anwar Jusuf
Objectives: This study applied self-determination theory (SDT) to investigate the relationship between students' autonomous motivation and tutors' autonomy support in medical students' academic achievement. Methods: This was a cross-sectional study. Out of 204 students in a fundamental medical science course, 199 participated in the study. Data was collected using two questionnaires: the Learning Self-Regulation and Learning Climate Questionnaires. The score of the course assessment was the measure of academic achievement...
December 29, 2016: International Journal of Medical Education
https://www.readbyqxmd.com/read/28033022/students-motivational-profiles-in-the-physical-education-context
#20
John Ck Wang, Alexandre Js Morin, Richard M Ryan, W C Liu
The purpose of the current study is to test Self-Determination Theory (SDT) continuum hypothesis of motivation using Latent Profile Analysis (LPA). A total of 3220 school students took part in the study. We compared LPA solutions using the four motivation types versus the two higher-order dimensions to assess their degree of correspondence to SDT continuum hypothesis. To examine the concurrent validity of the profiles, we also verified their associations with three predictors (age, gender, perception of physical education teachers' autonomy-supportive behaviors) and two outcomes variables (perceived competence and intentions to be physically active)...
December 29, 2016: Journal of Sport & Exercise Psychology
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