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Somsiri Rungamornrat,Apawan Nookong,Yuwadee Pongsaranuntakul,Arunrat Srichantaranit,Laddawan Subchareonmak The Pacific Early Childhood Education Research Ass 2021 Asia-Pacific journal of research in early childhoo Vol.15 No.3
The quality of Executive Functions (EF) practicing of teachers supports children to learn and improve EF. EF development in children is a new topic in Thai education that has to be investigated. This study aims to investigate the relationship among knowledge, attitudes, and practicing of teachers’ executive functions (EF) in childcare centers. These relationships were examined in a Thai context (n = 100). A questionnaire survey was performed to canvas teachers’ knowledge, attitudes, and EF skills practicing. The data were analyzed using Spearman’s Rho correlation. The results demonstrated that the teachers understood the concept of EF, possessed positive attitudes toward promoting EF development, and regularly practiced activities for EF development in children (75.72%, 79.98%, and 77.21%, respectively). The results revealed that having sufficient knowledge and a positive attitude toward the EF have a positive relationship with practicing activities related to EF development. This study suggested that further knowledge should be provided in simple strategies that encourage a positive attitude towards exercising EF in children and allow teachers to plan EF activities in childcare centers on a daily basis.
Surface elasticity and residual stress effect on the elastic field of a nanoscale elastic layer
Intarit, P.,Senjuntichai, T.,Rungamornrat, J.,Rajapakse, R.K.N.D. Techno-Press 2011 Interaction and multiscale mechanics Vol.4 No.2
The influence of surface elasticity and surface residual stress on the elastic field of an isotropic nanoscale elastic layer of finite thickness bonded to a rigid material base is considered by employing the Gurtin-Murdoch continuum theory of elastic material surfaces. The fundamental solutions corresponding to buried vertical and horizontal line loads are obtained by using Fourier integral transform techniques. Selected numerical results are presented for the cases of a finite elastic layer and a semi-infinite elastic medium to portray the influence of surface elasticity and residual surface stress on the bulk stress field. It is found that the bulk stress field depends significantly on both surface elastic constants and residual surface stress. The consideration of out-of-plane terms of the surface stress yields significantly different solutions compared to previous studies. The solutions presented in this study can be used to examine a variety of practical problems involving nanoscale/soft material systems and to develop boundary integral equations methods for such systems.