in this paper, an adaptive attitude control algorithm is developed based on neural network for a satellite using four reaction wheels in a tetrahedron configuration. then, an attitude control based on feedback linearization control has been designed and uncertainties in the moment of inertia matrix and disturbances torque have been considered. in order to eliminate the effect of these uncertain...

The present study was conducted to further improve the practice of written corrective feedback by integrating the two known feedback types (i.e. direct corrective feedback and metalinguistic explanation). With this aim, a sample of sixty-nine high-intermediate Iranian EFL learners was assigned into different feedback groups. While the first and second groups received direct and metalinguistic e...

objectives the objective of this study was to assess the effects of cognitive-behavioral training on increasing self-concept and the attitude style toward narcotic drugs. background the existing studies have indicated that persons with positive attitude and believe to narcotics have more addiction than those with negative or natural attitudes. the aim of the present study was to specify the eff...

BACKGROUND Both the Institute of Medicine and the Agency for Healthcare Research and Quality suggest patient safety can be enhanced by implementing aviation Crew Resource Management (CRM) in health care. CRM emphasizes six key areas: managing fatigue, creating and managing teams, recognizing adverse situations (red flags), cross-checking and communication, decision making, and performance feedb...

Despite feedback being considered important to learning, its potential is rarely fully realised. Promoting learning through in open-ended written tasks (e.g. essays and reports) a complex endeavour that requires students who are motivated identify utilise appropriate information. We set out understand the mechanisms enable interventions work, for whom what contexts. Using realist review researc...

Background. A primary question among L2 writing instructors is how to best deliver written corrective feedback (WCF) support student learning. One promising WCF method Dynamic Written Corrective Feedback, in which provide unfocused/comprehensive using a coding system coupled with regular rounds of editing on short, in-class student-written paragraphs.
 Purpose. In this study, I explored th...

Background: Because media have an essential role in people’s insight into different professions, this study was carried out to investigate the part of the Islamic Republic of Iran Broadcasting (IRIB) in the public attitude toward the nursing profession in people living in Arak City, Iran. Methods: This cross-sectional study was carried out in the first six months of 2018. The study sample comp...

Since the emergence of the process-oriented approach to second language writing instruction two main questions have been what and how error feedback should be given to the students. The question of whether teachers should provide feedback on grammar in the writing assignments of English as a foreign language students, and if so how, has been a matter of considerable debate in the field of secon...