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This research is motivated by the use of conventional learning models that still dominate Indonesian language learning at the high school level, causing learning to become monotonous and less actively involving students. This study aims to determine the effectiveness of implementing the Quizizz-based Game Based Learning (GBL) model in improving learning outcomes, motivation, and participation of grade XII Social Science students at SMA BIMA Ambulu. The research method used is quantitative experimental with a one-group design (one-group pretest-posttest design). Research subjects consisted of 70 students divided into two classes, namely XII IPS 2 and XII IPS 5, with 35 students each. Data were collected through tests (pretest and posttest), learning motivation questionnaires using a 5-level Likert scale, student activity observation sheets, and documentation of learning activities. Research instruments have been tested for validity using Pearson Product Moment correlation and reliability using Cronbach's Alpha. Data analysis included validity tests, reliability tests, normality tests, and hypothesis testing using Independent Sample t-Test. The research results show that all test items are declared valid (r calculated > r table 0.334) and the instrument is reliable with a Cronbach's Alpha value of 0.812. The average N-Gain for class XII IPS 2 is 0.668 and class XII IPS 5 is 0.679, both in the medium-high category indicating the effectiveness of the GBL model. The t-test results show no significant difference between the two classes (mean difference 0.011), indicating consistency in the effectiveness of the GBL model in both groups. This study concludes that the Quizizz-based Game Based Learning model is proven effective in improving Indonesian language learning outcomes for grade XII Social Science students at SMA BIMA Ambulu. The implementation of GBL creates more interactive, enjoyable, healthy competitive learning, and is able to increase motivation and active student participation in learning.

The increasing trend of secondhand clothing consumption, commonly known as thrift shopping, reflects a major shift in consumer behavior. This study aims to analyze the influence of product quality, price, and lifestyle on consumers’ purchase decisions for secondhand clothing at the Tugu Pahlawan Sunday Morning Market in Surabaya. This research employed a quantitative approach using a non-probability sampling design. Primary data were obtained from 167 respondents through structured questionnaires utilizing a five-point Likert scale. Data analysis was conducted using multiple linear regression with the support of SPSS software, preceded by validity, reliability, and classical assumption tests. The results show that product quality, price, and lifestyle simultaneously have a significant influence on purchase decisions. Partially, product quality and lifestyle have a positive and significant effect, while price shows a weaker but still significant influence. These findings indicate that consumers’ decisions to purchase secondhand clothing are not solely driven by low prices but also influenced by perceived product quality and lifestyle preferences. This study contributes to the understanding of consumer behavior in informal markets and provides practical implications for business practitioners and policymakers to enhance sustainable consumption patterns.

This study is motivated by the importance of financial and asset management strategies in supporting the operational effectiveness of the Regional Disaster Management Agency (BPBD) of Central Sulawesi, which plays a strategic role in disaster mitigation, preparedness, emergency response, and post-disaster recovery. The main problems addressed are how financial and asset management strategies are implemented, to what extent they affect operational effectiveness. The objectives of this research are to analyze the applied strategies, assess their influence on operational effectiveness, and identify challenges as well as relevant solutions.The literature review refers to public financial management theories, regional asset management, and previous studies highlighting the relationship between financial governance, accountability, and public sector performance. This study employs a quantitative approach with a descriptive design. Data were collected through literature study, observation, interviews, and questionnaires distributed to BPBD staff in finance and asset divisions. The analysis included validity and reliability tests, along with multiple linear regression to examine the effect of independent variables on operational effectiveness. The findings show that BPBD Central Sulawesi’s financial management strategy in 2024 achieved a realization rate of 89–100% in most programs, although imbalances were found in certain activities such as the disaster management system arrangement, which only reached 38%. In terms of asset management, fixed assets dominate with a book value of IDR 19.6 billion, with significant growth in equipment and machinery. Regression analysis results indicate an R² value of 0.817, meaning that 81.7% of operational effectiveness is influenced by financial and asset management strategies, while the remaining 18.3% is explained by other factors.The study concludes that financial and asset management strategies significantly affect BPBD’s operational effectiveness. Nevertheless, challenges such as limited human resources, inadequate information systems, and discrepancies in budget realization require solutions through capacity building, technology utilization, and improved planning mechanisms to optimize disaster management effectiveness.

This article comprehensively discusses the responsibility of notary for legally defective deeds, with an emphasis on the application of the principle of prudence as the foundation of the notary profession's professionalism and integrity. This research uses a normative legal method with a legislative, conceptual, and case approach to analyze the relationship between notary negligence and the resulting civil liability consequences. The study results indicate that the principle of prudence plays a central role in determining the limits of a notary's legal liability, as any negligent action in verifying identity, document validity, or the substance of the deed can cause legal harm to the parties. Conversely, if the notary can prove that their actions were in accordance with legal procedures and professional ethical standards, they can be absolved of civil liability claims. Additionally, this research also highlights the importance of applying the principle of due diligence in the context of the digitalization of notarial services, which demands stricter verification and authentication. Thus, the principle of prudence not only serves as a legal principle but also as a moral foundation that guaranties justice, certainty, and legal protection for society, as well as upholding the dignity of the notarial profession.

Social media has become a double-edged sword; acting as a space for religious learning while simultaneously serving as a medium for spreading radicalism. As digital natives, students are vulnerable to extremist narratives if not equipped with adequate cognitive immunity. This study aims to examine the influence of Digital Religious Literacy and Critical Thinking skills on the resilience of Islamic Religious Education (PAI) students in countering radical narratives. Using a quantitative approach with a correlational method, this study involved 30 PAI students selected through random sampling. Data collection instruments used a Likert scale questionnaire that had been tested for validity and reliability. Data analysis was performed using multiple linear regression. The results showed that: (1) The level of digital religious literacy and counter-radicalism attitudes of students were in the "very high" category with mean scores of 22.40 and 23.00 respectively; (2) There is a significant positive relationship (Sig. < 0.05) between digital literacy and critical thinking towards the attitude of countering radicalism; and (3) Simultaneously, these two variables contributed 68.2% in forming students' mental resilience in the digital space. These findings imply the need for a reorientation of the PAI curriculum that integrates the strengthening of critical reasoning and digital literacy as a fortress of religious moderation.

The quality of assessment instruments plays an important role in determining the accuracy of measuring student learning outcomes in science learning in elementary schools. A good test instrument must meet certain criteria, such as validity, reliability, difficulty level, and discrimination power. This study aims to analyze the quality of daily science test items in grade VIc elementary schools based on these four criteria. The study used a quantitative. The subjects were 19 sixth-grade students, while the instrument analyzed consisted of 25 multiple-choice questions. Data processing and analysis were carried out using Microsoft Excel to calculate item validity through item correlation with total score, test reliability using internal consistency, difficulty level index, and discrimination index. The analysis results showed that 17 questions (68%) were declared valid, while 8 questions (32%) were invalid and needed to be improved. The results of the reliability test indicated that the test instrument had good reliability and was suitable for use as a measuring tool for student learning outcomes. Judging from the level of difficulty, 20 questions (80%) were moderate and 5 questions (20%) were easy, indicating a relatively balanced level of difficulty. Based on the discrimination power, 16 questions (66%) had very good discrimination power, 4 questions (16%) were good, 4 questions (16%) were sufficient, and 1 question (4%) was poor. Based on these findings, it can be concluded that the quality of the sixth grade science daily test questions is classified as good and the test instrument is suitable for use, but improvements are still needed on invalid questions and those with low discrimination power so that the quality of the assessment is more optimal. This study emphasizes the importance of teachers' abilities in compiling and analyzing test items to ensure that the assessment of science learning is objective, valid, and reliable.

This study aims to analyze the effect of price on purchasing decisions of broiler chicken production inputs (sapronak) among partner farmers of PT Sejahtera Abadi Unggas, Kediri Unit. A quantitative approach with a causal research design was employed. The research sample consisted of 104 active partner farmers, selected using purposive sampling. Data were collected through structured questionnaires using a five-point Likert scale. The collected data were analyzed using validity and reliability tests, classical assumption tests, and simple linear regression analysis with the assistance of SPSS software. The results indicate that price has a positive and significant effect on purchasing decisions. The regression analysis produces the equation Y = 2.103 + 0.940X, with a significance value of 0.000, confirming that an increase in positive price perception significantly enhances purchasing decisions. Furthermore, the coefficient of determination (R²) of 0.699 shows that price explains 69.9% of the variation in purchasing decisions, while the remaining 30.1% is influenced by other factors not examined in this study. These findings highlight that competitive, fair, and value-based pricing strategies play a crucial role in strengthening long-term partnerships and sustaining purchasing behavior among broiler farmers. The study provides empirical evidence that can support managerial decision-making in developing effective pricing strategies within the agribusiness sector.

This article examines the role of context and underlying assumptions in the formulation of econometric models for economic policy analysis. While econometric models are widely employed to support policy decisions, their construction is often treated as a purely technical process, overlooking the contextual factors that shape variable selection, model specification, and interpretation of results. This study explores how institutional settings, policy objectives, and behavioral considerations influence the assumptions embedded in econometric modeling. By drawing on policy documents, academic literature, and illustrative cases from applied economic research, the article highlights how implicit assumptions may affect the validity and relevance of econometric outcomes. The analysis emphasizes that econometric models are not value-neutral tools but are shaped by theoretical choices and contextual judgments made during their formulation. Understanding these dimensions is crucial to avoid misinterpretation of empirical findings and to enhance the usefulness of econometric analysis in policymaking. The study contributes to the methodological discussion in applied econometrics by encouraging greater transparency and reflexivity in model construction, particularly in the context of economic policy evaluation.      

Set theory is one of the fundamental concepts underlying the structure of discrete mathematics and computer science and plays a crucial role in understanding various advanced topics, such as relations, functions, mathematical logic, and other discrete structures. This concept serves as the foundation for developing a systematic and structured mathematical mindset. This paper aims to explain the fundamental concepts of set theory, review its significance in discrete mathematics, and outline how to present sets and basic operations on sets, such as union, intersection, complement, and difference. The method used in this paper is a literature study by reviewing, collecting, reading, and analyzing data from various relevant written sources, both textbooks and scientific articles. Through this study, students are expected to be able to understand set theory more comprehensively. Thus, it can be concluded that set theory is not merely an introductory topic, but rather a formal framework that defines the validity of logic and structure in modern discrete systems.  

This study aims to examine in depth the organizational structure and communication patterns implemented by Karang Taruna Sendang in Karanglor Village, Manyaran District, over a three-month research period. Using a qualitative descriptive approach, data were gathered from primary sources through direct interviews and observations, as well as secondary sources including organizational documents involving fifteen informants consisting of the chairperson, administrators, and active members. The research subjects were determined using a purposive sampling technique, and data analysis was conducted through an interactive model, while data validity was ensured through triangulation of sources, methods, and time. The findings indicate that Karang Taruna Sendang implements an all-channel (star) communication pattern characterized by open deliberation mechanisms prior to the execution of every activity agenda. This effective communication pattern and smooth information flow have proven capable of minimizing organizational barriers and generating various tangible work programs that provide positive contributions to youth development and the welfare of the community in Karanglor Village.

Electronics learning in higher education continues to face various challenges, particularly in the provision of interactive learning media capable of concretely and engagingly visualizing the form, characteristics, and working principles of electronic components. The limitations of conventional learning media often result in abstract learning processes, which in turn lead to a low level of student understanding of basic electronics concepts. This study aims to develop the AMPERE as an innovative and technologically relevant interactive learning medium. The research employed R&D approach using the Borg & Gall model, which includes the stages of needs analysis, design, product development, validity testing, and limited implementation. The AMPERE application was developed using marker based AR technology, in which a smartphone camera detects markers to display and interact with 3D electronic component objects in real time. The results indicate that the AMPERE application achieved a high level of validity, with a score of 0.88 from subject-matter experts and 0.84 from media experts, and was therefore deemed suitable for use as a learning medium. The small-group trial results showed a practicality level of 82.07%, while the practicality test during the implementation stage reached 85.67%. These findings demonstrate that AMPERE is effective in enhancing learning interactivity and assisting students in understanding the form, function, and working principles of electronic components through smartphone-based digital visualization. Theoretically, these results are consistent with constructivist learning theory, which emphasizes active knowledge construction through direct experience and interaction with learning objects.

The rapid growth of digital marketplaces has fundamentally transformed consumer decision-making processes by intensifying price transparency, product comparability, and information exposure. In highly competitive marketplace environments, consumers are frequently confronted with numerous product alternatives and dynamic pricing structures, which shape how they evaluate options and ultimately decide to purchase. This study examines the effects of product variety and price perception on consumers’ purchase decisions in the context of ROSCA tumbler products sold on the Shopee marketplace. Using a quantitative explanatory approach, this research employs a survey-based design to analyze the relationships among variables and to estimate their relative effects through multiple linear regression analysis. Data were collected from 100 respondents who had previously purchased ROSCA tumblers on Shopee, selected using purposive sampling based on predefined criteria. The research instrument consisted of 15 Likert-scale items measuring product variety, price perception, and purchase decision. Data analysis included descriptive statistics, instrument validity and reliability testing, regression assumption diagnostics, and hypothesis testing using both partial (t-test) and simultaneous (F-test) procedures. The findings reveal that product variety has a positive and significant effect on purchase decisions, indicating that consumers are more likely to finalize purchases when they perceive product options as sufficiently diverse, relevant, and comparable. Price perception also exerts a positive and significant influence and demonstrates a stronger relative effect compared to product variety. This result underscores the central role of perceived price fairness, competitiveness, and value-for-money in shaping purchase decisions within transparent and highly competitive marketplace settings. Simultaneously, product variety and price perception explain a substantial proportion of variance in purchase decisions, highlighting their combined importance as key marketing stimuli. These findings contribute to the literature on digital consumer behavior by providing empirical evidence from a specific marketplace–product context and offer practical implications for sellers and brand managers in optimizing assortment design and pricing strategies to enhance conversion rates in online marketplaces

This research aims to examine the influence of store atmosphere, brand awareness, and lifestyle on purchasing decisions at Kobapa Store in Delitua District. This study uses a quantitative research method with a questionnaire research design. The subject of this research is the products of Kobapa Store, and the object of the study is consumers who purchase products at Kobapa Store, totaling 97 respondents. Data collection techniques include observation, questionnaires, and documentation. Data analysis techniques involve validity tests, reliability tests, and classical assumption tests. The data analysis method used is multiple linear regression with the assistance of SPSS 25 software. The t-test results show that store atmosphere has a positive effect on purchasing decisions. Brand awareness has a positive effect on purchasing decisions. Lifestyle also influences purchasing decisions. The F-test results indicate that store atmosphere, brand awareness, and lifestyle simultaneously affect purchasing decisions at Kobapa Store in Delitua District, with an F calculated value of 4.141 > F table value of 2.700, and a significance value of 0.008 < 0.05. The adjusted coefficient of determination (R Square) is 0.338, meaning that 33.8% of the dependent variable can be explained by the independent variables, while the remaining 66.2% is explained by other variables outside the ones studied.

This study analyzes the juridical implications of delegated authority in the context of business license signing by heads of regional offices acting on behalf of regents. Using a qualitative approach with library research, the paper explores the legal foundation, validity, and administrative consequences of delegation within local governance. The findings indicate that delegation of authority is a legitimate administrative mechanism recognized under Indonesian law, particularly within Law No. 23 of 2014 concerning Regional Government. However, its implementation frequently lacks procedural clarity, leading to potential legal defects (ultra vires) in administrative decisions. The study emphasizes that the validity of business permits depends on both formal and substantive fulfillment of delegation requirements through explicit legal instruments such as regional head decrees. Improper delegation not only invalidates administrative acts but also undermines legal certainty and public trust in local governance. Theoretically, this research contributes to strengthening the doctrine of state administrative legality, while practically, it provides recommendations for standardizing delegation mechanisms to enhance transparency, accountability, and legal compliance in regional public service delivery.

This study aims to analyze the effect of price as a component of the marketing mix of NutriSari products on consumers’ purchase intention at the STIE YPBI Campus Canteen. Price is a crucial element of the marketing mix that directly influences consumer perceptions and purchasing decisions. Therefore, understanding consumers’ price perceptions is essential for companies in developing effective marketing strategies and maintaining competitiveness. This research employed a quantitative descriptive approach, with data collected through questionnaires distributed to consumers at the STIE YPBI Campus Canteen. The population of this study consisted of 40 active consumers within the campus canteen environment. Data were analyzed using validity and reliability tests, normality testing, simple linear regression analysis, t-test, and F-test with the assistance of SPSS software. The results indicate that price has a significant effect on purchase intention, as evidenced by an F-test value of 5.440 and a coefficient of determination of 54.40%. This finding implies that 54.40% of consumers’ purchase intention is influenced by price, while the remaining percentage is affected by other factors not examined in this study. Furthermore, the t-test results show that the calculated t-value (2.332) is greater than the critical t-value (2.024), indicating a positive and significant effect of price on purchase intention. The indicators of price affordability, price-quality suitability, price competitiveness, and price-benefit suitability collectively contribute to increasing consumers’ purchase intention at the STIE YPBI Campus Canteen.

This study aims to: (1) Describe and analyze the influence of memorization of the Qur'an on the emotional intelligence of students at the Integrated Islamic Private Middle School of Al-Furqan Tebas Islamic Boarding School, Sambas Regency, (2) Describe and analyze the influence of memorization of the Qur'an on the spiritual intelligence of students at the Integrated Islamic Private Middle School of Al-Furqan Tebas Islamic Boarding School, Sambas Regency. This study is a descriptive quantitative study with a causal associative research type (cause and effect). In this study, there are 3 variables, namely the first variable is memorization of the Qur'an, the second variable is emotional intelligence and the third variable is students' spiritual intelligence. The population with research subjects are 40 students of class VIII of the Integrated Islamic Private Middle School of Al-Furqan Tebas Islamic Boarding School. Data collection using the questionnaire method. Instrument validity test using the product moment analysis technique, while reliability test using the alpha coefficient. The data analysis technique used multiple regression analysis. Prior to data analysis, a normality test was conducted. The results of the study indicate that: (1) There is a positive and significant effect of Quran memorization on emotional intelligence, with a magnitude of 0.388 (38.8%), with the remainder influenced by other factors. (2) There is a positive and significant effect of Quran memorization on spiritual intelligence, with a magnitude of 0.376 (37.6%), with the remainder influenced by other factors.

This study aims to analyze the influence of the @starbucksindonesia account's use of Instagram as a communication medium on brand image following the pro-Israel boycott. The boycott arose from Starbucks' alleged involvement in the Israeli-Palestinian conflict, which triggered a decline in its reputation and negative sentiment among Indonesians. In this situation, Instagram, as a visual-based social media platform, was utilized as a primary means of shaping public opinion and responding to the crisis. The study employed a quantitative approach using an online questionnaire survey. Respondents were 100 followers of the @starbucksindonesia Instagram account, aged 18–35, and former Starbucks customers. Data analysis was conducted using validity and reliability tests, simple linear regression, t-tests, and coefficients of determination using SPSS version 27. The results showed that all research instruments were valid and reliable. The main finding demonstrated that Instagram use had a statistically significant effect on Starbucks' brand image. The coefficient of determination value indicated a strong relationship, indicating that the majority of changes in respondents' perceptions were influenced by communication via Instagram. This research supports the Uses and Effects theory, which states that social media not only serves as an information provider but also has the ability to shape consumer perceptions and attitudes. Therefore, Instagram plays a strategic role in digital communications for crisis management and brand image restoration.

This study aims to analyze the effect of transformational leadership (X1), work experience (X2), and social support (X3) on employee performance (Y) at PT Putra Sentosa Mandiri. This research also seeks to determine the partial effects of each independent variable as well as their simultaneous effect on employee performance. The research method used is a quantitative approach with primary and secondary data sources. The sampling technique applied was saturated sampling, in which the entire population was used as the sample, consisting of 34 employees of PT Putra Sentosa Mandiri. Data were collected through questionnaires, interviews, literature studies, and documentation. The data analysis techniques included validity tests, reliability tests, normality tests, linearity tests, heteroscedasticity tests, multicollinearity tests, multiple linear regression analysis, t-tests, F-tests, and the coefficient of determination (R²). The results indicate that transformational leadership has a positive but not significant effect on employee performance, work experience has no positive and insignificant effect on employee performance, while social support has a positive and significant effect on employee performance. Simultaneously, transformational leadership, work experience, and social support do not have a significant effect on employee performance at PT Putra Sentosa Mandiri.

Land sale and purchase agreements are legal acts frequently carried out in social practice. However, such agreements are often executed under hand without the involvement of authorized officials as required under land law. The practice of under-hand land sale and purchase gives rise to various legal issues, particularly concerning the validity of the agreement, the transfer of land rights, and legal protection for the parties in the event of disputes. This article aims to analyze the legal status of under-hand land sale and purchase agreements from the perspectives of civil law and land law, examine the legal consequences arising from such agreements on the transfer of land rights, and review the forms of legal protection available to the parties. The research method employed is normative juridical, using statutory and conceptual approaches. The findings indicate that under-hand land sale and purchase agreements may be considered valid under civil law as long as they fulfill the legal requirements of a valid agreement; however, they do not automatically result in the transfer of land rights under land law. Consequently, the legal position of the buyer becomes weak in the event of a dispute. Therefore, public legal awareness and the role of the state in strengthening dissemination and enforcement of land law are necessary to ensure legal certainty and protection.

Digital transformation in the land sector is part of the state’s efforts to enhance efficiency, transparency, and legal certainty within the land registration system. One of the strategic policies implemented is the issuance of electronic land certificates as a substitute for conventional certificates. However, the implementation of electronic land certificates raises several legal issues, particularly concerning their evidentiary value and the guarantee of legal certainty for holders of land rights. This article aims to analyze the legal regulation of electronic land certificates within Indonesia’s land registration system, examine their evidentiary strength in civil disputes, and identify the legal and technical challenges in their implementation. The research employs a normative juridical method using statutory and conceptual approaches. The findings indicate that electronic land certificates have a valid legal basis and possess evidentiary strength equivalent to that of conventional certificates, provided that the principles of validity and security of electronic systems are fulfilled. Nevertheless, their implementation still faces challenges related to technological infrastructure readiness, public legal literacy, and potential vulnerability to cybercrime. Therefore, strengthening technical regulations, enhancing system security, and conducting continuous public dissemination are necessary to ensure legal certainty for holders of electronic land certificates.