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All Journal Psikostudia : Jurnal Psikologi Psikologi Prima Tabularasa: Jurnal Ilmiah Magister Psikologi Jurnal Penelitian Pendidikan, Psikologi Dan Kesehatan (J-P3K) Jurnal SUBLIMAPSI Jurnal Social Library Journal of Comprehensive Science Jurnal Dedikasia : Jurnal Pengabdian Masyarakat Jouska: Jurnal Ilmiah Psikologi
Doli Maulana Gama Samudera Lubis
Universitas Medan Area
Religion Humanities Computer Science & IT Economics, Econometrics & Finance Education Electrical & Electronics Engineering Environmental Science Health Professions Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Neuroscience Nursing Public Health Social Sciences Other

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The Relationship Between Self-Confidence and Public Speaking Anxiety Among University Students Salsabilla Tarigan; Doli Maulana Gama Samudera Lubis
Psikologi Prima Vol. 9 No. 1 (2026): Psikologi Prima
Publisher : unprimdn.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/psychoprima.v9i1.8122

Abstract

This study aimed to examine the relationship between self-confidence and public speaking anxiety among students of the Faculty of Law at Universitas Medan Area. The study employed a quantitative approach with a correlational research design. The research population consisted of 354 active students, with a sample of 102 students selected using a purposive sampling technique. The research instruments consisted of a 24-item self-confidence scale and a 20-item public speaking anxiety scale, both using a five-point Likert scale model. The instruments underwent adaptation procedures, content validity assessment, and reliability testing, resulting in Cronbach’s Alpha coefficients of 0.87 for the self-confidence scale and 0.89 for the public speaking anxiety scale. Data analysis was conducted using IBM SPSS through descriptive statistics, normality testing, linearity testing, and Pearson Product Moment correlation analysis. The findings revealed a significant negative relationship between self-confidence and public speaking anxiety, with a correlation coefficient of r = -0.71 and p = 0.000 (p < 0.05). The coefficient of determination of 0.51 indicated that self-confidence contributed 51% to the variance in public speaking anxiety. These findings suggest that students with higher levels of self-confidence tend to experience lower levels of public speaking anxiety. However, because this study employed a correlational design, the findings cannot be interpreted as evidence of a causal relationship.
The Relationship Between Self-Control and Consumptive Behavior Among Students Living in Dormitories Kristiani Marbun; Doli Maulana Gama Samudera Lubis
Psikologi Prima Vol. 9 No. 1 (2026): Psikologi Prima
Publisher : unprimdn.ac.id

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.34012/psychoprima.v9i1.8123

Abstract

The rapid development of digital technology and e-commerce has increased the ease of online shopping activities, but it has also contributed to the rise of consumptive behavior, particularly among university students with high levels of technology use. This study aimed to examine the relationship between self-control and online shopping consumptive behavior among female students living in the dormitory of Universitas Medan Area. The study employed a quantitative approach with a correlational research design. The population consisted of dormitory students, with a sample of 67 students selected using purposive sampling techniques. Data were collected using psychological scales, namely a self-control scale and an online shopping consumptive behavior scale, both constructed using a Likert scale format. Data analysis was conducted using the Pearson Product Moment correlation technique. The results revealed a significant negative relationship between self-control and online shopping consumptive behavior (r = -0.54; p < 0.05). These findings indicate that higher levels of self-control are associated with lower tendencies toward consumptive online shopping behavior. Conversely, students with lower self-control are more likely to engage in consumptive behavior in the digital era.
Co-Authors Afifah Amalia Daulay Ayudia Popy Sesilia Chandra Amirsyah Putra Siregar Daulay, Afifah Amalia Ira Kesuma Dewi Khairuddin Khairuddin Kristiani Marbun M Yusuf R Siahaan Rakhmad Arief Siregar Rizqa Nabilah Sairah Salsabilla Tarigan Shirley Melita Sembiring Meliala Yulina , Eva Yunita Yunita