current studies in second language (l2) learning have revealed the positive role of corrective feedback (cf) in both oral and written forms in different language features. the present study was an attempt to investigate the effect of both direct and indirect written corrective feedback (wcf) on the use of grammatical collocations in l2 writing. the study also sought to examine whether the effec...

the purpose of this study is identifying effective factors which make customers shop online in iran and investigating the importance of discovered factors in online customers’ decision. in the identifying phase, to discover the factors affecting online shopping behavior of customers in iran, the derived reference model summarizing antecedents of online shopping proposed by change et al. was us...

Background & objective: Trees, as an influential element, have an important role in post disaster reconstruction in four aspects; they can be used as "temporary settlement materials", "reviving collective memories", "creating calm” and “motivation for reconstruction". In addition, as "living memorials”, they remind the disaster and indicate the necessity of preparedness and resilience of societ...

one of the most important number sequences in mathematics is fibonacci sequence. fibonacci sequence except for mathematics is applied to other branches of science such as physics and arts. in fact, between anesthetics and this sequence there exists a wonderful relation. fibonacci sequence has an importance characteristic which is the golden number. in this thesis, the golden number is observed ...

Today, environmental issues have become very important. One of these issues is related to energy consumption in residential buildings. Excessive energy consumption has led to climate change, global warming, climate pollution, and energy shortages. Tehran, as a large metropolis with a high population, is not safe from the damage of high energy consumption in buildings. The purpose of this study ...

The purpose of this study was to analyze the human resource management functions of Mazandaran Province Gas Company. In the present study grounded theory as a kind of qualitative research method has been used. Accordingly, a sample of 27 managers and experts of the company was interviewed using purposive sampling method and theoretical saturation criterion. After designing the interview protoco...

A review of the existing leadership literature in organizations shows that there is no comprehensive theoretical framework for synergistic leadership that is generally agreed upon. Therefore, this study seeks to identify and explain the dimensions of synergistic leadership in the form of a systematic model for Iranian universities using the grounded theory. Semi-structured interviews were used ...

in this thesis a calibration transfer method is used to achieve bilinearity for augmented first order kinetic data. first, the proposed method is investigated using simulated data and next the concept is applied to experimental data. the experimental data consists of spectroscopic monitoring of the first order degradation reaction of carbaryl. this component is used for control of pests in frui...

The main purpose of this paper is to identify the barriers to the succession management system in the Iranian gas industry. The present study is in the framework of the interpretive paradigm and qualitative study and the researcher uses systematically collected conceptual data to identify barriers in the Iranian gas industry. In this regard, a survey strategy based unstructured interviews with ...