Koğar, Esin YılmazKoğar, Hakan2024-11-072024-11-0720191303-04932148-4929https://search.trdizin.gov.tr/tr/yayin/detay/312850https://hdl.handle.net/11480/13643The aim of the present study was to reveal the psychometric properties of the items in the cognitive test of PISA 2015 assessingscientific literacy according to different item types and to examine scientific literacy in relation to different independentvariables. In the sample of PISA 2015 Turkey, 175 students from 5895 students were included in the study with the aim ofresearching. Descriptive statistics and various hypothesis tests were used to obtain the findings of the research. When scientificliteracy and item difficulty averages for all three item types were examined, students with a high level of scientific literacylevel were more successful at responding to constructed response (CR) items, while students with a low level of scientificliteracy were more successful at answering multiple choice (MC) items. Male students were more successful than femalestudents in responding to MC and complex multiple choice (CMC) items, while female students were more successful thanmale students in answering CR items. It was found that students with a high level of economic, social and cultural status weremore successful than those with a low level of economic, social and cultural status.eninfo:eu-repo/semantics/openAccessEğitimEğitim AraştırmalarıBilim Felsefesi ve Tarihiİstatistik ve OlasılıkINVESTIGATION OF SCIENTIFIC LITERACY ACCORDING TO DIFFERENT ITEM TYPES: PISA 2015 TURKEY SAMPLEArticle192695709312850