Relationship Between Self Esteem and Impulsive Buying in Muhammadiyah University Sidoarjo Students

This research is motivated by the phenomenon of impulsive buying among students at Muhammadiyah University of Sidoarjo, characterized by individuals making purchases suddenly and without planning. The aim of this research is to determine the relationship between self-esteem and impulsive buying among students at Muhammadiyah University of Sidoarjo. The research method used was a correlational quantitative method with a total of 8,815 students as subjects with sample determination developed by Isaac and Michael used at the 5% level for 335 students. The method for taking samples in this research is by probability sampling technique which uses proportional stratified random sampling. The instrument for measuring the impulsive buying variable uses a scale based on Verplanken and Herabadi's theory and the instrument for measuring self-esteem is measured using a scale adopted from Coopersmith. The data analysis technique uses product moment correlation with the SPSS Version 25 application.