عنوان مقاله [English]
The objective of this research is to investigate the perceptions professional and nonprofessional investors’ on the effectiveness of the board of directors, and hence on their investment decision judgment. Using on experimented design, a constant and rigid financial statement of a hypothetical company consisting of two distinctive scenarios -namely: strong and weak board of directors- has been provided to the participants.The board effectiveness, the type of investors, financial position, and the financial performance, have been treated as independent variables, while risk and the amount of investment have been regarded as dependent variables. T-Test has been used to compare the two independent samples means and pairs means while the relationships between variables have been evaluated using Pierson coefficient. Hypotheses were tested utilizing Linear Multi Regression and Ordinary Least Square models (OLS).Results show that the perception of investors of the effectiveness of the board does not have a significant relation with the perceived risk of the investors while the perception of the investors has a direct and positive effect on the amount of investing; furthermore the perceptions of professional and nonprofessional investors regarding the effectiveness of the board are the same.