Letters in Information Technology Education (LITE) Vol 4, No 1, 2021, pp. 53 – 59 e-ISSN: 2654-5667 Page | 53 Independent Decision Making and Affective Ability of Productive Subjects Contributions to Psychological Well-Being in Work Readiness of Vocational Students in Malang Moch. Noor Alfan Octavian Anwar 1,* , Hari Putranto 2 , Slamet Wibawanto 3 Faculty of Engineering, Universitas Negeri Malang, Malang, Indonesia 1 alvan.ghon@gmail.com; 2 hari.putranto.ft@um.ac.id; 3 slamet.wibawanto.ft@um.ac.id *Corresponding author Article Info ABSTRACT Article history: Received: Jun 24, 2021 Revised: Jul 20, 2021 Accepted: Aug 03, 2021 This study aims to determine the level of decision-making independence, affective ability of productive subjects on psychological well-being in work readiness at SMK Malang City. This research uses correlational research with simple random sampling technique to determine the research sample. The samples in this study were Telkom Vocational High School, 4 Malang Vocational High School, and National Vocational School which consisted of 180 students. The results obtained from this study are: (1) the level of psychological well-being in work readiness, decision-making independence and affective ability in high category productive subjects; (2) between the variables of decision-making independence and affective ability of productive subjects have a positive relationship to psychological well-being in work readiness; and (3) the amount of effective contribution from independent decision-making and affective abilities in productive subjects gets a fairly large contribution. Keyword: Independent Decision Making Student Affective Aspect Working readiness Vocational School Student I. INTRODUCTION Human development must strive to achieve what it wants. However, to achieve the goal of life, a person must start from himself in order to prepare himself from having physical and physical health. Feelings of happiness and sadness in human life is a natural thing to happen, but if someone can feel happy or sad in a positive direction then someone must be able to think positively about all the problems he faces [1]. Humans grow and develop during the course of their lives, by going through various problems they face. Each stage of human development is usually accompanied by various psychological demands that must be met. Adolescent transition is a time of crisis to recognize one's own identity [2]. If the various psychological demands that arise at the adolescent stage are not successfully met, there will be an impact that can significantly hinder their psychological maturity, especially for students who are in high school or the equivalent. Vocational High School (SMK) is a period where the psychology of students is in a transitional period, where students cannot really be said to be adults and can no longer be called children, causing a confusing situation for students. This problem will be added to the behavior that must be taken for his career. Good decision making, then the psychology of the students will be able to run their lives well for future careers. Students have a life at school by having experiences that make them happy and also make them unhappy. All of this is called psychological well-being, students make an effort to realize their goals in order to develop themselves [3]. Vocational High School (SMK) is not only the psychology of the students being reviewed, but also the skills possessed by the students. Students can be supported so that they can develop according to their stage of development or have a mature mentality. Students are expected to have high psychological well-being or psychological well-being, so that they can have a positive personality towards themselves, care for others, have clear life goals, and are aware of their inner potential, so that they tend to be more optimistic in living life [4]. One of the factors that play a role in influencing psychological well-being is the relationship between classmates