%A NIM.13820100 DHAMAR YUDHA PRADHUTAMA %O FARID HIDAYAT, S.H., M.S.I. %T PENGARUH KEPERCAYAAN, PERSEPSI RISIKO, HARGA, KUALITAS PRODUK, DAN KUALITAS INFORMASI TERHADAP KEPUTUSAN PEMBELIAN SECARA ONLINE (Studi Kasus pada Mahasiswa UIN Sunan Kalijaga Yogyakarta) %X Easy to marketing the product trough social, and also a lot benefits that given such as, more broad market reach, operate internet for 24 hours, shop comfortably, can do price comparisons and product comparisons in several online stop in just seconds, and this is very possible to closer and intense communicate with the customer, and help the businessman to be able to increase their sales. There are many factors that cause a person to shop online on social media, starting from cheap costs, quality of goods, trust, ease of transaction facilities, until with several other factors. This research using five independent variables that is trust (X1), risk perception (X2), price (X3), quality of product (X4), quality of information (X5), and decision of purchase by online as dependent variables (Y). After a literature review, and preparation of hypotheses, data was collected through an online questionnaire method that distributed to 100 people respondents in the environment of Sunan Kalijaga Islamic University Yogyakarta who has made a purchase within a certain period by online using purposive sampling. For analysis is done by processing data use SPSS 21.0 for windows. Then analysis is done with the available data. Using validity test, reliability, classic assumptions test, multiple regression analysis, and hypothesis testing using test f and test t. %K Trust, Risk Perception, Price, Quality of Product, Quality of Information, Decision of Purchase. %D 2018 %I UIN SUNAN KALIJAGA YOGYAKARTA %L digilib33409