This thesis aims to measure additionality effect of T&Uuml / BiTAK&rsquo / s Industrial R&amp / D Projects Funding Programme and try to reveal input, output and behavioral additionality effect of it. A pilot evaluation study is conducted on firms from Ankara operating on software development sector where firms who have received T&Uuml / BiTAK funding are subject to the analysis. In order to comprehend results of the analysis, first theoretical background on emergence of industrial R&amp / D funding is explained and the need for evaluation of industrial R&amp / D funding instruments is discussed. Then, focus is turned to major changes in industrial R&amp / D policies in Turkey by taking into account of resolutions of Supreme Council of Science and Technology. After summarizing available industrial R&amp / D funding instruments in Turkey, attention is turned to T&Uuml / BiTAK&rsquo / s Industrial R&amp / D Projects Funding Programme and evaluation of the programme is explained in detail. The impact of T&Uuml / BiTAK funding on firms R&amp / D expenditures, commercial successes and behavioral changes are discussed and finally the thesis ends with a discussion on the organization of this evaluation practice as well as suggestions for further evaluation studies.