TOP-20 parties: ICPS experts present the effectiveness rating of political powers in Ukraine The International Center for Policy Studies (ICPS) with the help of its internet partner “Apostrophe” presents the results of “TOP-20 active and effective parties of Ukraine” The study was conducted using a unique methodology, and it presents a detailed analysis of all 352 parties’ activities through the past political cycle, as ICPS informs in the press release.