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Suicide among adolescents is a serious mental health problem; however, not all adolescents with suicidal ideation progress to suicide attempts. Understanding the psychological factors that influence the transition from intention to actual behavior is essential for effective prevention efforts. This study aims to examine the role of the Theory of Planned Behavior (TPB) in understanding the transition from suicidal intention to suicide attempt behavior, as well as protective behaviors such as mental health help-seeking among adolescents. This study employs a literature review method with a quantitative correlational approach based on the TPB framework, using secondary data from scientific articles published between 2021 and 2025 and obtained through Google Scholar and PubMed. The findings indicate that suicidal ideation is the strongest predictor of suicidal intention but does not always lead to suicide attempts. TPB constructs, particularly perceived behavioral control (PBC), play a crucial role in determining whether intention develops into risky behavior or is redirected toward protective behaviors. In addition, positive attitudes toward mental health services and supportive social norms were found to strengthen adolescents’ intentions to seek help. In conclusion, TPB is a relevant theoretical framework for explaining both risk pathways and prevention pathways of adolescent suicide and has the potential to serve as a foundation for developing more effective prevention interventions.

This study aims to analyze the factors that influence the acceptance of Shopee e-commerce technology among students with an integrative approach between the Technology Acceptance Model (TAM) and the Theory of Planned Behavior (TPB). External constructs such as perceived trust, perceived security, and innovativeness are also included to strengthen the model. This study uses a quantitative approach with a descriptive-verification design and Structural Equation Modeling (SEM) analysis technique. Data were collected through an online questionnaire answered by 135 active Shopee student users. The results of the analysis show that perceived ease of use has a significant effect on perceived usefulness and attitude toward usage, while perceived usefulness also has a significant effect on attitude and intention to use. Social factors such as subjective norms, as well as psychological factors such as trust and security have been shown to have a positive effect on usage intention. However, perceived behavioral control does not have a significant effect. This study provides a theoretical contribution to the modeling of digital technology adoption and has practical implications for e-commerce industry players in developing strategies based on student users.    

Immunization is an effort to provide immunity to infants and children by introducing vaccines into the body. This vaccine stimulates the body to produce antibodies that function to prevent certain diseases. The coverage of Complete Basic Immunization in Banda Aceh City/District from 2022 to 2024 has decreased each year by (43.9%) in 2022, (37.8%) in 2023, and (34.9%) in 2024. The immunization coverage is still very low and below the national target of (95%). To determine the factors influencing maternal behavior in basic immunization within the working area of the Banda Aceh City Health Center. Research. Quantitative research with a Cross Sectional Study approach using primary data. The population in this study consists of all mothers with infants aged 6-11 months within the working area of the Banda Aceh City Health Center. The sample in this study consisted of 200 respondents, with data collection methods using questionnaires and analyzed univariately to describe the distribution and proportion, as well as bivariately. Bivariate data analysis with Spearman correlation test. This study found a relationship between each variable and maternal behavior regarding basic immunization with the variables Attitude Toward Immunization (p=0.000), Subjective Norm of Immunization (p=0.000), Perceived Behavioral Control of Immunization (p=0.000), Actual Behavioral Control of Immunization (p=0.000). All variables are related to maternal behavior in basic immunization within the working area of the Banda Aceh City health center.

Organizational fraud represents a significant global challenge, with estimated annual losses of 5% of revenue, totaling approximately US$4.7 trillion worldwide. This systematic literature review examines whistleblowing effectiveness as a fraud detection mechanism, analyzing the tension between its role as a transparency pillar and the retaliatory risks faced by whistleblowers. The study employed a qualitative Systematic Literature Review methodology, analyzing 25 peer-reviewed articles published between 2020-2025 from SINTA, Scopus, and registered E-ISSN journals. Literature was selected using keywords related to whistleblowing effectiveness, fraud detection, transparency mechanisms, and retaliation risk. Results demonstrate that whistleblowing systems significantly enhance fraud detection and prevention across both public and private sectors, with 24 of 25 reviewed studies confirming positive impacts. Effectiveness is influenced by individual attitudes, perceived behavioral control, organizational commitment, professional commitment, moral reasoning, and organizational culture. The integration of whistleblowing with forensic and investigative audit mechanisms creates a mutually reinforcing fraud detection framework. However, retaliation risk remains a substantial challenge, potentially undermining whistleblowing effectiveness. The study concludes that organizations must develop comprehensive whistleblower protection frameworks, cultivate supportive organizational cultures, ensure transparent report handling processes, and leverage technology to guarantee anonymity. A balanced approach between promoting transparency through whistleblowing and protecting whistleblowers from retaliation is essential for maximizing fraud detection effectiveness. Organizations are advised to integrate whistleblowing into comprehensive anti-fraud strategies with adequate protection mechanisms and whistleblower incentives.

Background: The e-commerce industry in Indonesia has experienced extraordinary growth in recent years.  The rapid growth of e-commerce then gave birth to e-commerce in the form of a travel agent service called Traveloka.  Currently, the tagline #DontWorryNoLoss is the latest benefit offered by Traveloka to its consumers.  The #DontWorryNoLoss campaign by Traveloka on Instagram is aimed at getting the target audience interested in buying their products online, which in this context is travel agent services through their application or website.  Purpose: This research aims to examine the influence of the #DontWorryNoLoss campaign on the Traveloka Instagram account on online purchase intention.  The background to this problem is the rapid growth of e-commerce and the role of social media in product promotion.  The problem formulation focuses on how attitude toward the behavior, subjective norms, and perceived behavioral control influence consumer purchasing intentions.  The theory used in this research is the Theory of Planned Behavior developed by Ajzen (1991).  The aim of the research is to determine the significant influence of these three variables on the online purchase intention of Instagram followers @traveloka.id.  Method: The research method used was an explanatory survey by distributing questionnaires to 81 respondents.  Results: The results of this research show that there is a positive and significant influence of the #DontWorryNoLoss campaign on the online purchase intention of @traveloka.id followers.

The purpose of this research is to determine the determinants of choice variables for MSME companies in Cimahi when it comes to using e-commerce. In this study, the Theory of Planned Behavior (TPB) is used as a theoretical framework to construct research hypotheses. The earliest stages of the research began with the collection of primary data in the form of questionnaire responses from Cimahi chips SMEs, with a total of 148 respondents filling out the questionnaire. The acquired data will next be processed using various linear regression methods. According to the findings of the study, Cimahi chip SMEs have a favorable attitude toward e-commerce adoption. They also include the influence of social norms as a factor to consider when adopting e-commerce. Perceived behavioral control influences e-commerce adoption as well. Based on the findings of the research, footwear MSMEs that have not used e-commerce should analyze the benefits of e-commerce for business, while MSMEs that have used e-commerce can assess the benefits and restrictions of utilizing e-commerce. The government can also help MSMEs adopt e-commerce by giving training, constructing suitable infrastructure, and establishing applicable legislation.

This study analyzes the effect of the variables contained in the Theory of Planned Behavior, namely attitudes, subjective norms, perceived behavioral control on taxpayers' intentions. The sample in this study were taxpayers registered with MSMEs in Semarang Regency. The number of samples is 125 taxpayers. The sampling technique used was the solvin formula. The data analysis technique used is multiple linear regression analysis using SPSS version 26. The results of hypothesis testing indicate that attitudes have a direct effect on taxpayer intentions, while subjective norms and perceived behavioral control do not directly affect taxpayer intentions.