Project-Based Learning in Islamic Education: Enhancing Independent Character and Critical Thinking Skills in Junior High School Students

The implementation of Project-Based Learning (PBL) in Islamic Religious Education (PAI) has gained prominence as an approach to developing independent character and critical thinking skills among students. This study assessed the effectiveness of PBL in strengthening these competencies in three junior high schools in Bandung: SMPN 8, SMPN 46, and SMPN 50. Using a mixed-method approach, this study involved both qualitative and quantitative analyses, with data collected through observations, surveys, and interviews with teachers and students. The findings revealed that PBL significantly contributed to the enhancement of students’ independent character and critical thinking skills, particularly through collaborative projects that required problem-solving and ethical decision-making. However, challenges such as time management, teacher readiness, and students’ initial dependence on structured guidance were noted. Despite these challenges, the study suggests that integrating PBL with Islamic education fosters a holistic learning experience, allowing students to apply religious values in practical contexts while refining analytical abilities. It is recommended that schools provide adequate resources and training to optimize the implementation of PBL in Islamic education.

Introduction

Independent character development is a crucial aspect of education, reflecting an individual’s ability to act autonomously and responsibly. The Ministry of Education and Culture of Indonesia defines independent character as an attitude that emphasizes self-reliance, utilizing available resources such as effort, thought, and time to achieve goals (Kemendikbudristek, 2022). These characteristics foster initiative, decision-making abilities, and accountability, which are essential for overcoming challenges. Empirical studies indicate a strong correlation between independent character and academic success, as students with this trait tend to explore knowledge more deeply and solve problems autonomously (Luoet al., 2024). Moreover, independent character aligns with moral development, as highlighted by Lickona, who emphasizes the integration of moral knowledge, feelings, and behavior (Lickona, 2014, pp. 72). Therefore, creating a learning environment that supports autonomy and ethical decision-making is essential for holistic student development.

Positive teacher-student interactions play a pivotal role in fostering independent character and critical thinking. Research by Istiqomah and Moh. Toharudin (2024) confirms that strong teacher support enhances students’ confidence in taking initiative and assuming responsibility for their learning (2024, pp. 243–253). Critical thinking, essential in the modern information era, enables students to analyze, evaluate, and generate solutions systematically (Sunarti, 2023, pp. 91–98). PBL is an effective approach to developing these competencies, as it immerses students in real-world projects that integrate theoretical and practical knowledge (Rizki & Nugraha, 2023, pp. 166–180). Kilpatrick’s classic study highlights that PBL encourages proactive planning and execution, fostering deeper analytical and creative thinking (Kilpatrick, 1918, pp. 319–335). In Islamic education, PBL strengthens moral values through community-based projects, enhancing social awareness and ethical reasoning (Purnawanto, 2019, pp. 1–10). Thus, integrating PBL into education cultivates independent, critical, and morally responsible individuals.

This concern is substantiated by international assessment data. Table I, presented below, illustrates Indonesia’s performance in the Programme for International Student Assessment (PISA) in 2018 and 2022. While slight gains are evident in all assessed domains, the scores remain well below the OECD average, highlighting persistent deficiencies in students’ analytical and problem-solving capabilities.

Table I. PISA Scores Comparison for Indonesia (Jauhari, 2023)

Year	Reading score	Mathematics score	Science score
2018	371	379	396
2022	382	389	403

Preliminary observations at SMP Negeri 8, SMP Negeri 46, and SMP Negeri 50 in Bandung indicate that students struggle with independent learning. Many rely on external sources, family, or peers without critically engaging with the material, reflecting low initiative and responsibility. Teacher interviews reveal tendencies toward self-doubt and procrastination, impacting productivity. Despite high academic scores, conceptual understanding remains weak, exacerbated by standardized and lecture-based methods. These findings highlight the urgency of innovative approaches like PBL to foster independent character and critical thinking within Islamic education.

Methods

This study employed a mixed-methods research design following the model proposed by Sugiyono, which integrates both quantitative and qualitative approaches to provide a comprehensive understanding of educational phenomena (Sugiyono, 2023, pp. 558). The study examined the impact of PBL on the development of independent character and critical thinking skills in PAI at SMPN 8, SMPN 46, and SMPN 50 in Bandung, Indonesia. The quantitative component involved a structured questionnaire using a 4-point Likert scale, while the qualitative component comprised semi-structured interviews with teachers and classroom observations to validate the findings. The study employed purposive sampling for selecting PAI teachers and stratified random sampling for selecting 90 students (30 from each school) to ensure a representative distribution (Creswell, 2019).

Data were collected in accordance with ethical research protocols, securing official permission from school authorities and obtaining informed consent from participants and parents. Descriptive and inferential statistics were used to analyze quantitative data, while thematic analysis was applied to qualitative data to identify key themes related to student engagement and pedagogical effectiveness (Miles et al., 2014). The study adhered to research reliability and validity standards by employing triangulation techniques, as suggested by Lincoln and Guba (1985), to ensure data credibility and trustworthiness. This rigorous methodological approach provides a valid and reliable assessment of the role of PBL in fostering independent character and critical thinking skills within PAI classrooms.

Results and Discussion

Implementation of PBL in Islamic Education at SMPN 8, SMPN 46, and SMPN 50 Bandung

The quantitative analysis revealed that the implementation of PBL in Islamic education varied across the three schools. The Likert-scale survey results indicate that 78.5% of students at SMPN 8, 81.3% at SMPN 46, and 76.9% at SMPN 50 reported that PBL enhanced their engagement and motivation in Islamic education. The highest impact was observed at SMPN 46, where students demonstrated increased participation in discussions and activities. The statistical analysis using ANOVA showed a significant difference (p < 0.05) in students’ perception of PBL across the schools, indicating that implementation effectiveness was influenced by contextual factors such as teacher readiness and institutional support. Additionally, student engagement in class activities was found to be directly correlated with their academic performance, suggesting that PBL encourages active learning. Classroom observations further supported these findings, revealing that students in PBL settings asked more questions, sought clarifications, and engaged in peer discussions more frequently. Furthermore, data from teacher interviews emphasized the importance of well-structured projects in maintaining student enthusiasm and participation. Teachers also noted that the integration of real-world problems within PBL encouraged students to develop critical problem-solving skills. These findings underline the necessity of well-planned implementation strategies to maximize the benefits of PBL in Islamic education. Overall, the results indicate that PBL has a profound impact on student engagement and learning outcomes.

Independent Character Development in SMPN 8, SMPN 46, and SMPN 50 Bandung

The results indicate that independent character development was significantly influenced by the implementation of PBL. The self-reported independence levels among students, measured on a 5-point Likert scale, were 3.8 (SMPN 8), 4.1 (SMPN 46), and 3.7 (SMPN 50). SMPN 46 exhibited the highest independence levels, attributed to structured project assignments that required self-directed learning and critical decision-making. Regression analysis showed a strong correlation (r = 0.74) between PBL and independent character development, confirming its effectiveness in fostering autonomy among students. Students who engaged in PBL demonstrated a higher tendency to take initiative in class activities, complete assignments on time, and manage their learning schedules effectively. Additionally, teachers reported that students showed increased responsibility in managing their projects, coordinating with team members, and seeking additional resources to complete their tasks. Observational data further suggested that students exhibited a more proactive approach in resolving academic challenges, indicating a shift from passive learning to active knowledge construction. Peer collaboration was another critical aspect observed, where students developed a sense of accountability and responsibility towards their groups. This study reinforces the notion that PBL nurtures a culture of independence by requiring students to set goals, evaluate their progress, and refine their work based on feedback. The findings provide strong evidence that implementing PBL can significantly contribute to character-building efforts in educational institutions. Therefore, integrating PBL as a regular instructional strategy may yield long-term benefits in fostering independent character development among students.

Critical Thinking Skills Development in SMPN 8, SMPN 46, and SMPN 50 Bandung

The assessment of critical thinking skills revealed a positive impact of PBL. The mean scores for critical thinking indicators—problem identification, reasoning, inference, situational analysis, clarity, and evaluation—were significantly higher among students exposed to PBL. The pre-test and post-test comparison showed an average improvement of 18.7% in critical thinking assessment scores across the three schools, with SMPN 46 demonstrating the highest gains (21.4%). These findings suggest that PBL enhances students’ ability to analyze and synthesize information effectively. Students involved in PBL demonstrated a deeper understanding of concepts, as reflected in their ability to articulate arguments, justify their perspectives, and evaluate counterarguments. Additionally, teachers reported that PBL encouraged students to approach problems systematically, breaking them down into smaller components before formulating solutions. Classroom discussions became more interactive, with students posing thought-provoking questions and engaging in meaningful debates. This indicates that PBL creates a learning environment where critical inquiry is encouraged and sustained. Moreover, teacher feedback revealed that students became more confident in defending their viewpoints, leading to a noticeable improvement in verbal articulation and logical reasoning. PBL was also observed to enhance students’ ability to connect theoretical knowledge with real-world applications, reinforcing the relevance of their learning experiences. These results highlight the crucial role of PBL in cultivating higher-order thinking skills, which are essential for academic and professional success. In summary, the study provides substantial evidence that PBL is an effective strategy for improving students’ critical thinking skills, as further demonstrated by the effectiveness percentages and independence levels shown in Table II.

Table II. PBL Effectiveness on Student Independence and Critical Thinking Improvement

No.	School	PBL effectiveness (%)	Independence level (Likert)	Critical thinking score improvement (%)
1	SMPN 8	78.5	3.8	17.2
2	SMPN 46	81.3	4.1	21.4
3	SMPN 50	76.9	3.7	17.5

Effectiveness of PBL in Islamic Education

The findings align with existing literature emphasizing the benefits of PBL in enhancing student engagement and comprehension. The increased motivation and participation observed corroborate prior studies indicating that experiential learning models, such as PBL, are more effective in religious education than traditional lecture-based methods. By immersing students in real-world applications of Islamic principles, PBL provides a meaningful context that enhances retention and understanding. Teachers also observed that students in PBL classrooms exhibited greater enthusiasm and curiosity, leading to deeper engagement with religious texts and moral discussions. Additionally, PBL encouraged students to reflect on ethical dilemmas, thereby strengthening their moral reasoning skills. The study findings support the argument that active learning fosters a sense of ownership over learning experiences, which is critical for long-term knowledge retention. Furthermore, the structured yet flexible nature of PBL allows teachers to accommodate diverse learning styles, making the learning process more inclusive and effective. Classroom observations revealed that students demonstrated a heightened sense of responsibility towards their projects, reinforcing the notion that PBL cultivates both cognitive and affective learning outcomes. These findings highlight the necessity of integrating PBL into Islamic education curricula to maximize its educational impact. Overall, the evidence suggests that PBL represents a promising pedagogical approach for enhancing Islamic education outcomes.

Impact of PBL on Independent Character Development

The results demonstrate that PBL strengthens self-regulated learning by encouraging students to explore religious principles independently. This finding is supported by Islamic educational perspectives that advocate active inquiry and reflection as fundamental to character building. By requiring students to plan, execute, and assess their projects, PBL fosters a sense of responsibility and accountability. Moreover, teachers noted that students exhibited increased self-discipline, managing their time and resources more effectively. Interviews with students revealed that PBL instilled a sense of confidence, as they became more comfortable making independent decisions and solving problems. The collaborative nature of PBL also played a crucial role, as students learned to balance personal initiative with teamwork. This reinforces the idea that structured autonomy, as promoted by PBL, is key to fostering independence. The integration of PBL into Islamic education can thus serve as an effective method for developing self-reliant and morally grounded individuals. The findings suggest that continued implementation of PBL could further enhance student autonomy in learning contexts. Thus, educators should consider incorporating PBL into character education programs for more holistic development.

Conclusion and Recommendations

The findings of this study indicate that the implementation of PBL in Islamic education at SMPN 8, SMPN 46, and SMPN 50 Bandung has been executed effectively, demonstrating significant positive outcomes. The quantitative and qualitative analyses confirm that PBL fosters higher engagement, comprehension, and motivation among students. The study also reveals that the independent character of students in these schools is well-developed, particularly at SMPN 46, where structured projects have enhanced self-reliance and accountability. Similarly, critical thinking skills have shown considerable improvement, with students demonstrating increased ability to analyze, evaluate, and synthesize information. The statistical analysis confirms a significant correlation between PBL implementation and the strengthening of independent character and critical thinking skills, with SMPN 46 exhibiting the highest improvements. Moreover, qualitative data complement the quantitative findings, providing deeper insights into the mechanisms through which PBL enhances student autonomy and cognitive development. These findings suggest that PBL not only contributes to cognitive and character development but also serves as a transformative pedagogical approach in Islamic education.

Based on the research findings, it is recommended that schools continue integrating PBL into Islamic education curricula to sustain and further enhance student engagement, independence, and critical thinking. Teachers should be provided with specialized training on designing and implementing effective PBL models that align with religious and moral education. Additionally, institutional policies should support the adoption of innovative teaching methodologies by providing adequate resources, including digital tools, to facilitate PBL.

This study contributes new insights into the intersection of PBL and Islamic education, demonstrating its efficacy in fostering independent character and critical thinking skills. Unlike traditional instructional methods, which often emphasize rote memorization, PBL promotes active learning and application of knowledge in real-world contexts. The integration of qualitative and quantitative data further strengthens the reliability of these findings, providing a comprehensive understanding of PBL’s impact. Future research should explore the long-term effects of PBL on students’ academic performance and ethical decision-making, as well as its scalability across different educational settings. The study highlights the necessity of continuous pedagogical innovation to align with contemporary educational demands, ensuring that students are well-equipped with both intellectual and moral competencies.

Conflict of Interest

Conflict of Interest: The authors declare that they do not have any conflict of interest.