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All Journal Jurnal Bahan Alam Terbarukan JMBI UNSRAT (Jurnal Ilmiah Manajemen Bisnis dan Inovasi Universitas Sam Ratulangi) Jurnal Abadimas Adi Buana Jurnal Manajemen Pemasaran TEKNOLOGI PANGAN : Media Informasi dan Komunikasi Ilmiah Teknologi Pertanian AGROMIX Jurnal Teknologi Pertanian Andalas Journal of Tourism Destination and Attraction International Journal of Economics, Business and Accounting Research (IJEBAR) Business Management Journal Program Studi Manajemen Jurnal Leverage, Engagement, Empowerment of Community (LeECOM) Accounting Profession Journal (APAJI) International Journal of Social Science, Educational, Economics, Agriculture Research, and Technology (IJSET) Jurnal Sains dan Teknologi Pangan
Michael Ricky Sondak
Universitas Ciputra
Agriculture, Biological Sciences & Forestry Humanities Biochemistry, Genetics & Molecular Biology Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Energy Industrial & Manufacturing Engineering Materials Science & Nanotechnology Public Health Social Sciences Other

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EXTENDING THE THEORY OF PLANNED BEHAVIOR TO PREDICT REPURCHASE INTENTION AND REUSABLE BEHAVIOR AMONG GENERATION Z Devina Kusuma Sentosa; Michael Ricky Sondak
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 5 No. 4 (2026): MARCH
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.5281/zenodo.20034696

Abstract

This study analyzes the determinants of sustainable consumption behavior among Indonesian Generation Z by extending the Theory of Planned Behavior with Pro-Environmental Self-Identity and Conspicuous Conservation. It examines personal identity, social pressure, perceived behavioral control, and environmental display motives regarding repurchase intention and actual product reuse. Using a quantitative online survey, data were collected from 13-28-year-olds in Indonesia with tumbler experience and analyzed through Structural Equation Modeling. Results indicate that Pro-Environmental Self-Identity strengthens Subjective Norms, while Perceived Behavioral Control is the primary predictor for Repurchase Intention and Reusable Use Behavior. Conversely, Subjective Norms show minimal impact on Repurchase Intention. Conspicuous Conservation has an inconclusive effect on the interaction between Subjective Norms and Repurchase Intention. These findings suggest that for Indonesian Generation Z, personal values and individual self-control outweigh external social pressures in driving sustainable behavior. The study highlights the necessity of developing sustainable consumption practices that minimize barriers related to self-identity and individual agency to foster effective behavioral change.
THE ROLE OF PERCEIVED VALUE IN MEDIATING THE EFFECT OF PACKAGING DESIGN AND BRAND IMAGE ON PURCHASE INTENTION OF PENTOLAN Nicholas Alexander; Michael Ricky Sondak
International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) Vol. 5 No. 6 (2026): MAY
Publisher : RADJA PUBLIKA

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

The transformation of the culinary industry requires MSMEs, particularly in the street food sector, to adapt visually and strategically to modern consumer behaviour. This study aims to analyse the role of perceived value in mediating the effect of packaging design and brand image on the purchase intention of "PENTOLAN" products. The data were collected from 240 respondents and analysed using Partial Least Squares Structural Equation Modelling (PLS-SEM) to evaluate both the measurement and structural models. The findings demonstrate that packaging design and brand image have a positive and significant effect on perceived value. Interestingly, neither packaging design nor brand image directly and significantly influences purchase intention. Instead, perceived value acts as a full mediator, predominantly and significantly driving consumer purchase intention. Visual appeal and brand popularity will not directly trigger a transaction unless accompanied by an adequate assessment of value. These findings provide practical implications for culinary MSMEs seeking to design a holistic marketing strategy, in which aesthetic updates must be balanced with the rationality of price, portion, and taste quality.
Co-Authors Alysia Belinda Santoso Anak Agung Ngurah Kenarya Dawawrata Ap-Fatsah, Ratu Padma Aylinna Ongsano Baswara Yua Kristama Christiani, Natalia Devina Kusuma Sentosa Erwin Parega Evita Mei Kusumaningrum Felisa Amelia Candra Fitriyani Gondowijoyo Florensia Vivin Ardisa Florensia Vivin Ardisa Gladys Rebecca Hadipratista, Nabilah Sukma Hari Minantyo Ika Yohanna Patiwi Ika Yohanna Pratiwi Irra Chrisyanti Dewi J. E. Sutanto J. E. Sutanto Jason Lau JE Sutanto Jessica Laurentia Lau, Jason Moonly Koespianto Moses Soediro Ngawi, Imelda Agustina Nicholas Alexander Oki Krisbianto Patiwi, Ika Yohanna Phoa Jocelyn Azelia Pandy Pramesti Sanicara Prasetyon Sepsi Winarno Putra, Sinar Dharmayana Raharja, Zefnat Gusti Ratu Padma Ap-Fatsah Regina Tuinesia Sean Michael Owen Wijaya Sudibyo, Theodora Kezia Valencia Fenessa Turisno