The aim of this study is to determine the impact of imagery on self-efficiency and spike implementation of girl volleyball players in Tafresh, considering the mediating role of positive self-talk. For this purpose, in a non-equivalent pretest-posttest control group design, 45 female football players aged 17-25 with sports record of 6 months to 2 years were selected out of high schools and uni...

the aim of this research is to examine individual and professional farmers capabilities concerning the extent of using the activities which would control the drought in tafresh county. this research is of non- experimental type in terms of goal, function and possibility of controlling variables and from methodological point of view it is of the descriptive and correlational type and from data p...

This study proposes a non-parametric efficiency frontier analysis method based on artificial neural network (ANN) and genetic algorithm clustering ensemble (GACE) for measuring efficiency as a complementary tool for the common techniques of the efficiency studies in the previous studies. The proposed ANN GA algorithm is able to find a stochastic frontier based on a set of input–output observati...

a School of Railway Engineering, Iran University of Science and Technology, 1684613114 Narmak,Tehran, Iran; b Department of Industrial Engineering, Amir Kabir University, Tafresh, Iran; c Master Student in Complex Adaptive Systems, Department of Physics, University of Göteborg, 41296 Göteborg, Sweden. Capacitated p-median problem (CPMP) is an important variation of facility location problem in ...