Krytyczna analiza metody RCT w kontekście oceny efektywności polityk publicznych

Critical analysis of research method based on RCT to evaluate effectiveness of public policies The aim of this article is critical analysis of utilization of research method based on Randomized Controlled Trial to evaluate effectiveness of public policies. Due to the increase in importance of RCT method, resulting in more frequent elaborations presenting the recommended process of its implementation, this article represents an attempt which focuses more on describing the key issues related to utilization of the method and in particular: identity of the experimental group and the controlled group, selection bias, assigning individuals to groups, internal disruptions as well as the problem of utilizing devising the RCT method to evaluate multileveled policies.