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All Journal Jurnal Konseling dan Pendidikan TAZKIYA JOURNAL OF PSYCHOLOGY Indonesian Psychological Research
Anna Undarwati
Universitas Negeri Semarang
Religion Humanities Education Health Professions Social Sciences

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Building Image Through Food Choice: The Effects of Unfamiliar Companion, Impression Management, and Emotional Eating on Food Portion Aqilah Az Zahra; Anna Undarwati
Tazkiya Journal of Psychology Vol 12, No 1 (2024): TAZKIYA Journal of Psychology
Publisher : Fakultas Psikologi UIN Syarif Hidayatullah Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15408/tazkiya.v12i1.37793

Abstract

The global rise in the obesity epidemic is largely driven by the consumption of foods that contribute to significant health risks. This research study focuses on the social and personal factors that influence food portions, in addition to environmental factors. The study is designed to investigate the effect of unfamiliar companion, impression management, and emotional eating on food portions in Indonesia. The study employed a quasi-experimental research design in a laboratory setting, using a fake food buffet by recruiting 245 undergraduate students. The results indicated that unfamiliar companion, impression management, and emotional eating had a significant main effect and interaction effect on individuals' food portions (p < 0.05). This was demonstrated by the difference in food portion between people eating alone and in the presence of an unfamiliar companion. It might explain that individuals are aware of maintaining a positive image during meals by choosing food portions that are perceived to reflect positive perceptions when dining with a person who lacks familiarity or personal connection. The research findings can be utilised as a reference for fundamental understanding of mitigation strategies for reducing food portions among adults.
Makanlah seperti kamu Mengetahuinya: Bagaimana Makan yang Terkendali dan Jenis Kelamin memengaruhi Pilihan Makanan Sehat Muhammad Maulana; Anna Undarwati
Indonesian Psychological Research Vol. 7 No. 2 (2025)
Publisher : Program Studi Psikologi UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29080/ipr.v7i2.1433

Abstract

Obesity will stay as a global health issue if individuals continue to engage in unhealthy eating behaviors and insufficient consumption of nutritious food. This study seeks to explore how gender and restrained eating style influence healthy food choices in Indonesia. This study uses a quasi-experimental design which includes self-reported measures through the DEBQ questionnaire, alongside a behavioral experiment conducted in a Dummy Supermarket, with 185 undergraduates’ students being participants. The findings indicate that two factors, gender (p = .015) and restrained eating style (p = .001), significantly impacted individuals’ healthy food choices. This is evidenced by the quantity of food items selected from the dummy supermarket, highlighting the meaningful role these factors play in healthy food selections. The interaction effect of gender and restrained eating style on healthy food choice was not significant (p = .074), indicating that the combined influence of these two factors did not produce a distinct effect beyond their individual contributions. These findings offer essential insight for creating effetive interventions designed to enhance awareness, reduce the consumption of unhealthy products among adults, and potentially lead to a descrease in obesity rates especially in Indonesia.
The Effect of Cup Size and Diabetes Knowledge on Sweet Tea Consumption: A Quasi-Experimental Study in Indonesia Zalfa Aisya Zakwa; Anna Undarwati
Jurnal Konseling dan Pendidikan Vol. 13 No. 4 (2025): JKP
Publisher : Indonesian Institute for Counseling, Education and Therapy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/1190700

Abstract

Sugar-sweetened beverages (SSBs) are a significant source of daily sugar intake in the community, with sweet tea being the most popular type of SSB among Indonesians. At the same time, diabetes mellitus ranks third among the leading causes of death in Indonesia. Therefore, greater attention needs to be paid to factors that could potentially reduce SSB consumption, such as package size and diabetes knowledge. Studies examining size-based nudging and diabetes knowledge in relation to SSB consumption are still limited in Indonesia. This study aims to examine size-based nudging (on sweet tea packaging) and diabetes knowledge as factors influencing sweet tea consumption. A quasi-experimental design was used with an effect size of f = 0.25 (medium), α = 0.05, and a power of 0.90, calculated using G*Power 3.1 software. An online questionnaire was distributed to 184 participants, who were asked to select their preferred cup size based on images of regular and jumbo-sized sweet tea cups to simulate size-based nudging. A 23-item diabetes knowledge questionnaire was also used to measure participants’ diabetes knowledge. The results showed a significant effect (p < .001) of cup size on sweet tea consumption, indicating the influence of size-based nudging. However, diabetes knowledge was found to have an insignificant effect (p = 0.971), indicating a knowledge-behavior gap, where higher knowledge does not always lead to healthier choices. This study provides new evidence on nudging interventions for beverage consumption in developing countries, particularly Indonesia, and highlights that size-based nudging can be a practical and low-cost policy tool to help reduce sugar-sweetened beverage consumption alongside educational efforts.
Body mass index and food neophilia as correlates of snack portion size selection: a cross-sectional behavioral study Aisyah Pratiwi; Anna Undarwati
Jurnal Konseling dan Pendidikan Vol. 14 No. 1 (2026): JKP
Publisher : Indonesian Institute for Counseling, Education and Therapy (IICET)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29210/1213100

Abstract

This study examined the association between Body Mass Index (BMI) and Food Neophilia with snack portion selection size among undergraduate students. A quantitative cross-sectional design with a behavioral measurement approach was applied. An a priori power analysis using G*Power indicated a minimum sample size of 107 participants (power = 0.95, α = 0.05), and a total of 115 students from the Faculty of Education and Psychology, Universitas Negeri Semarang, participated in the study. snack portion size selection was assessed using a real-food buffet consisting of four snack items, while Food Neophilia was measured using the Variety Seeking Tendency (VARSEEK) Scale. BMI was calculated based on participants weight and height measurements obtained using provided weighing scales and measuring tapes. Data were analyzed using multiple linear regression after all statistical assumptions were met. The results showed that Food Neophilia was negatively associated with portion size (β = -0.0776; 95% CI [-0.1234, -0.0317], p < 0.001), indicating that individuals with higher levels of Food Neophilia tended to select smaller snack portions. Although BMI showed a positive association with portion size (β = 0.0451; 95% CI [-0.0016, 0.0917], p = 0.058), the relationship became weaker after controlling for gender. In addition, male participants tended to select larger snack portions than female participants (β = 0.9516; 95% CI [0.4778, 1.4252], p < 0.001). The model explained 26.4% of the variance in portion size (R² = 0.264). These findings suggest that snack portion size selection may be influenced by a combination of psychological, demographic, and physiological factors, although the association between BMI and portion size became weaker after controlling for gender. The study highlights the importance of considering food-related personality traits and demographic characteristics in understanding eating behavior and supports further research involving more diverse populations.
Co-Authors Aisyah Pratiwi Aqilah Az Zahra Muhammad Maulana Zalfa Aisya Zakwa