“…Questionnaire items referred to the dimensions of experts. For the customer ethnocentrism dimensions, this study used the dimensions from [16], namely cognitive, affective, and normative, while the dimensions of purchase decisions were from [3], namely product choice, brand choice, dealer choice, purchase timing, purchase amount, and payment method. Questionnaires were then tested their validity and reliability, which after being proven valid and reliable, they were then distributed to respondents.…”