Although cognitive-behavioral strateg ies have been demonstrated relatively effective in improving sport performance and regulating various affective states among highly skilled athletes, the strategy-anxiety relationship has been left largely untested within the realm of recreational sport. The present study utilized self-report data from 186 recreational league tennis players in order to desc...

The analysis of artiicial life systems is often much harder than their construction, especially in population-based systems with a huge number of interacting individuals. Due to insuucient results of microscopic methods (e.g. monitoring the actions of single molecules) and macroscopic measurements (e.g. diversity, complexity) we developed a stepwise mesoscopic analysis method based on classiica...

we livein the era that  are seeing the growing use of social networks among family members especially youth. this study was conducted to investigate relationship between family function and use of social networks among high school students.the type of this study was correlational and conducted in 2015-16. the study population included all high school students in the second period of qazvin. 175...

Greenhouse experiments in a completely randomized design were carried out to investigate the effects of nitroxin fertilizer (0, 1 and 2 li/ha) on morphological and physiological traits of Amaranthus retroflexus in 2013. The traits in the study included plant height, fresh and dry weight of shoots, roots, stem and leaf, Chlorophyll a, chlorophyll b, total chlorophyll, carotenoids, anthocyanin, a...

The ability of the noninvasive methods forced oscillation technique (Rosc), spirometry and flow-volume curves to detect and quantify laryngeal obstruction, using assessment of orolaryngeal (upper) airway resistance (Rol) as reference, was compared in 55 patients with various laryngeal diseases. Statistical analysis was performed by means of sensitivity/specificity, simple regression, stepwise r...

This study aims to determine the factors associated with proactive behavior in handover process intensive care unit of RSUD Aceh. The method used is a cross-sectional study. Data were analyzed using chi-square and logistic regression analysis Backward stepwise test. results showed that 100 out 124 respondents category strong behavior. test personality (p-value 0.041), self-efficacy 0.002) learn...

This study explored the associations between adolescents’ assertive behaviour, psychological well-being and self-esteem. The sample consisted of 1023 students (14.9±0.51; 47.6% boys). Two dimensions of the Scale for Interpersonal Behaviour (distress and performance), two factors of the General Health Questionnaire-12 (depression/anxiety and social dysfunction) and two factors of the Rosenberg S...