List of Articles significant effect

• Open Access Article
  • Abstract Page
  • Full-Text
  
  1 - The effect of collaborative learning to handle the country (in the classroom) with teacher assistance in Second high school female students
  Mansoor Salehi kazem Abdollahpour
  10.30486/jsre.2018.542519
  The purpose of this study is to investigate model of collaborative learning of handle country in the classroom with teacher assistance design. The study is a kind causal- comparative of quantities Research. The statistical population included all of the Second high scho More

  The purpose of this study is to investigate model of collaborative learning of handle country in the classroom with teacher assistance design. The study is a kind causal- comparative of quantities Research. The statistical population included all of the Second high school female students (957 students) of Kahnuj city. 120 students were selected by random- sampling (68 grade 10th and 52 grade 11th). The physics exam scores were used to collect data, These exams were held in November and April 2013- 2014 school year. To analyze the data, t-test, descriptive statistics and the effect size were used.The findings showed that there is significant differences between performance of students in the design teacher assistant and handle the country (p<0/01). Effect size values at the grades of the tenth, eleventh and total confirmed a significant difference, also these values expressed that The performance of students in the handle of the country's design has improved than teacher assistant design. This study emphasizes on this topic that can be created significant change in students learning by native pattern of fits country. Manuscript profile
• Open Access Article
  • Abstract Page
  • Full-Text
  
  2 - The Effect of Investment Opportunities, Growth and Capital Productivity on Firm Performance of Listed Companies in Tehran Stock Exchange
  Heidar Mohammadzadeh Salteh
  Investors seek to maximize their wealth. Growth opportunities are the driving force that give motivation and are considered bonus for investors. What in the current situation will lead to success is the optimum use of the available investment opportunities in order to i More

  Investors seek to maximize their wealth. Growth opportunities are the driving force that give motivation and are considered bonus for investors. What in the current situation will lead to success is the optimum use of the available investment opportunities in order to identify the factors affecting the firm's performance. Timely and rational use of investment opportunities by business units has a significant effect on performance improvement. Firm growth, from the perspective of capital market and management is an important variable and can be effective on firm performance. Therefore, in this research, the effect of investment opportunities and growth on firm performance of listed companies in Tehran Stock Exchange has been studied. The statistical population includes the companies listed in Tehran Stock Exchange, out of each a statistical sample of 134 corporates was selected by systematic elimination sampling method. The period under review was a 5-year period (2007-2011) and the hypotheses in this research were tested by using combined data (panel). The results show that investment opportunities do not affect firm performance, and firm growth has a positive and significant effect on return on asset but does not affect market value added. Also, capital productivity has a positive and significant effect on firm performance. Manuscript profile