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Annisa Kurnia Utami; Ariyana Damayanti; Romadhona Chusna Tsani

Jurnal Pengembangan IPTeks Seni Kuliner, Tata Rias, dan Desain Mode 2026 Akademi Kesejahteraan Sosial Ibu Kartini Semarang

Indonesia is an archipelagic country that has a diversity of ethnic groups as well as a rich heritage of arts and culture. One form of art found is weaving with clove flower motifs. The purpose of this study is “The Application of Clove Flower Motif Weaving Technique on Ready to Wear.” The main material used is shoelaces, as a weaving material that is easy to shape and unique. The method applied is Research and Development (R&D), which includes: identifying potential and problems, data collection through literature study, observation, documentation, product design, design validation, to the process of making and evaluating the final product. The results of the study show that the clove flower motif weaving technique can be well applied to ready to wear, especially on the vest and pants parts, producing a modern fashion. Applying this technique requires high precision, especially in the process of arranging the weaving pattern and integrating it with the main material. This study is expected to serve as a reference in developing innovative designs. The conclusion of this research is that the weaving technique gives a unique and aesthetic impression on ready to wear. The suggestion for making woven products applied to ready to wear is that during the process of ironing glue on the weave, the heat should not be too high because the shoelace material is easily burned, and the ends of the weave should be burned to prevent fraying.

Ma’rifat Istiqa Mukty; Nina Isywara Kusuma; Andi Ade Ulasaswini; Nurhidayah Tiasya Sanas

Jurnal Sains dan Kesehatan (JUSIKA) 2026 Universitas Muhamadiyah Manado

Diabetes mellitus is a chronic metabolic disease characterized by elevated blood glucose levels due to impaired insulin secretion, insulin action, or both. Uncontrolled diabetes can lead to various complications and decreased quality of life. Moringa oleifera leaves contain bioactive compounds, including flavonoids, vitamins A, C, and E, as well as selenium, which possess antioxidant properties and are believed to help reduce blood glucose levels. This study aims to determine the effect of Moringa leaf decoction on reducing blood glucose levels in patients with diabetes mellitus in Padaleu Village, Kambu District, Kendari City. The study employs a quantitative pre-experimental design using a one-group pretest-posttest approach. The population consists of 35 diabetes mellitus patients, with 17 respondents selected through purposive sampling. Blood glucose levels are measured before and after the administration of Moringa leaf decoction using a glucometer and observation sheets. Respondents receive 200 ml of Moringa leaf decoction daily for five consecutive days. Data analysis is conducted using paired statistical tests to determine differences in blood glucose levels before and after the intervention. The findings of this study are expected to provide scientific evidence regarding the effectiveness of Moringa leaf decoction as a non-pharmacological therapy for controlling blood glucose levels among diabetes mellitus patients. Furthermore, the results may contribute to nursing science development and serve as a reference for healthcare providers and future researchers in implementing complementary therapies for diabetes management.

Rasidi Rasidi; Dandy Wirawan; Zainal Fatah

International Journal of Humanities and Social Sciences Reviews 2026 Asosiasi Penelitian dan Pengajar Ilmu Sosial Indonesia

Kampung Batik Okra, located in Kranggan Urban Village, Bubutan District, Surabaya City, represents a community-based creative economy initiative officially inaugurated on 28 December 2022 by the Surabaya City Government. This study aims to analyze the facilitating role of the urban village administration in strengthening the creative economic capacity of residents through the batik industry, as well as to identify supporting and inhibiting factors for community empowerment in Kampung Batik Okra. A descriptive qualitative approach was employed, with data collected through in-depth interviews, participatory observation, and document analysis. Informants were purposively selected, encompassing village government officials, batik group administrators, artisans, and academic facilitators. The findings reveal that the urban village administration performs three principal facilitative roles: (1) facilitation of training and skill enhancement; (2) facilitation of market access and promotion; and (3) facilitation of multi-stakeholder partnerships. These roles contribute significantly to the strengthening of residents’ creative economic capacity, as evidenced by an increase in active artisans, product diversification, and expanded marketing networks. Nevertheless, limited human resource capacity within the village administration, inconsistent community participation, and restricted access to capital remain structural barriers requiring more systemic policy interventions. This research offers a conceptual framework of empowerment-based facilitating roles for urban villages, which may serve as a reference for developing creative economy villages in Indonesian urban areas.

Wiyono, Wujud; Rokhmawan, Sonnie Rokhmawan

Engineering and Maritime Technology Journal (Engment) 2026 Deptek Prodi Teknik Mesin Kapal Perang Akademi Angkatan Laut

This research aims to analyze and develop a competency model for the Indonesian Navy Technical Officers thru the education of Naval Academy Cadets (AAL) in supporting the operational readiness of main weapon system equipment (alutsista) in the naval domain. The research uses a mixed methods approach with a Sequential Exploratory design, starting with qualitative studies thru interviews, observations, documentation studies, and Focus Group Discussions (FGD), followed by quantitative testing using Structural Equation Modeling-Partial Least Squares (SEM-PLS). The research results show that the education curriculum, teaching quality, mentoring system, field practice, and mastery of weapon system technology have a positive and significant impact on the development of the competencies of the Indonesian Navy Technical Officers. The most dominant factor is the mastery of weapon system technology, followed by field practice and the education curriculum. This research resulted in the Integrated Naval Technical Officer Competency Development (INTOCD) Model, which integrates a competency-based curriculum, academic learning, technical training, field practice, technology mastery, as well as character and leadership development. The model is expected to serve as a reference in the development of the competencies of the Indonesian Navy Technical Officers to enhance personnel professionalism and support the operational readiness of naval defense equipment sustainably.

Novia Dwi Ferlita; Rafiqah Alya; Gusmaneli Gusmaneli

Jurnal Manajemen dan Pendidikan Agama Islam 2026 Asosiasi Riset Pendidikan Agama dan Filsafat Indonesia

This study aims to analyze the effect of the inquiry learning strategy on students' critical thinking skills in Islamic Education (PAI) learning. The research employed a quantitative approach using an experimental design to examine the effectiveness of the strategy in improving students’ learning outcomes. The subjects of the study consisted of students who were divided into two groups, namely an experimental group and a control group. The experimental group received instruction through the inquiry learning strategy, while the control group was taught using conventional teaching methods commonly applied in classroom learning activities. Data collection was carried out through critical thinking tests and classroom observations to obtain comprehensive information regarding students’ learning processes and achievements. The results of the study indicate that students taught using the inquiry learning strategy experienced a significant improvement in their critical thinking skills compared to students who learned through conventional methods. Therefore, the inquiry learning strategy is proven to be effective in enhancing students’ critical thinking skills in PAI learning. This study is expected to become a useful reference for educators in developing more innovative, interactive, and student-centered learning strategies in the educational process.

Nurkhalishah Malik; Citra Kesumasari Yaksan; Rosmini Rosmini

Jurnal Ilmu Kesehatan dan Gizi 2026 Pusat Riset dan Inovasi Nasional

This study aims to analyze the extent of the effect of honey bee pollen supplementation on increasing appetite and body weight in anemic children. The type of research used in this study is an experimental study with a pre- and post-test one-group design. The research sample consisted of 52 anemic fourth- and fifth-grade elementary school students. The average total food intake (Yellow Rice) showed a significant result (P=0.000), increasing from 241.40±94.334 g to 354.94±122.57 g after the final measurement of ad libitum appetite. The average body weight also showed a significant result (P=0.00), with a mean of 23.59±5.29 kg at pre-test and rising to 24.65±5.58 kg at post-test. The Z-Score calculation for weight-for-age based on the WHO NCHS reference showed a non-significant result: P=0.0180 (0.01±0.04) at pre-test and 0.03±0.08 at post-test. Based on the 24-hour recall analysis over two days, a significant result was obtained (P=0.000), with total energy intake of elementary school students increasing from an average of 1,594±420.17 kcal before intervention to 2,070.2±491.77 kcal after two months of intervention. After statistical testing (Paired T-Test), a P-value of 0.00 (<0.05) was obtained. It can be concluded that the administration of honey bee pollen for 8 weeks at a dose of 25 grams per day significantly increased appetite and body weight in anemic elementary school children.

Erma Erma; Agustina Malan; Ardwinner Joy Tumonglo

Nubuat : Jurnal Pendidikan Agama Kristen dan Katolik 2026 Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

This is a worrying issue in the digital age and has been shown to significantly contribute to low student academic achievement. This research aims to examine the role of Guidance and Counseling (BK) services in addressing social media addiction in students with low academic achievement. The method used in this research is library research with a qualitative approach through content analysis and literature synthesis techniques sourced from various scientific references published between 2020 and 2025. The results show that students addicted to social media have low self-control, resulting in academic procrastination and a consistent decline in learning achievement. GC services have proven to play a strategic role through preventive, curative, and developmental functions implemented through classical guidance, individual counseling, and group counseling. The Cognitive Behavioral Therapy (CBT) approach and self-management technique have proven most effective in helping students reduce social media addiction and improve learning discipline. However, the effectiveness of GC services is still constrained by the non-ideal ratio of counseling teachers, the lack of digital literacy-based GC programs, and students' negative stigma toward counseling services. This study recommends developing GC programs specifically designed to address digital addiction by involving the entire school ecosystem consistently.

Khalsum, Ummu; Zain, Nurmayanti

Mars: Jurnal Teknik Mesin, Industri, Elektro Dan Ilmu Komputer 2026 Asosiasi Riset Teknik Elektro dan Informatika Indonesia

This study aims to analyze and design the electrical installation requirements for a prototype residential building with dimensions of 11 × 19 meters. The research applies a technical calculation approach based on lighting standards, air conditioning capacity estimation, load analysis, and electrical protection planning. Lighting requirements were determined using the lumen method by considering room area, illumination standards, coefficient of utilization, and light loss factor. Air conditioning capacity was calculated based on room area and standard cooling load values in BTU/hr. Furthermore, total electrical loads were analyzed to determine installed capacity, nominal current, Miniature Circuit Breaker (MCB) ratings, and appropriate cable cross-sectional areas with safety factors applied. The results indicate that proper load grouping, appropriate MCB selection, and correct cable sizing significantly enhance system safety and reliability. The study provides a systematic planning model for residential electrical installations that meets safety, efficiency, and technical standards, and can serve as a reference for similar residential building designs.

Yeni Roha Mahariani; Pangki Suseno; Dwi Junianto; Nindya N. A. Brillianio

Jurnal Manajemen Bisnis Era Digital 2026 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

The rapid growth of e-commerce has intensified the need to understand transaction patterns and customer purchasing behavior as a foundation for strategic decision-making. This study aims to analyze e-commerce transaction patterns and customer purchasing behavior based on demographic characteristics and transaction timing. By utilizing e-commerce transaction data, this research seeks to provide a more comprehensive understanding of customers’ purchasing tendencies and the factors influencing their behavior. This study employs Exploratory Data Analysis (EDA) as the primary method to descriptively explore data characteristics through various statistical visualizations, including histograms, bar charts, line graphs, and boxplots. The analysis conducted to identify transaction trends, the distribution of purchase values, and behavioral differences across demographic groups and specific time periods. The results indicate that e-commerce transaction patterns tend to increase during certain periods, particularly in the latter part of the observation timeframe, suggesting the influence of seasonal factors and promotional strategies. The distribution of transaction values is asymmetric, with most transactions occurring in the low to medium value range, while high-value transactions are conducted by a relatively small proportion of customers. Furthermore, variations in purchasing behavior are observed across demographic groups in terms of transaction frequency and value, despite relatively balanced transaction volumes. The findings confirm that e-commerce customer purchasing behavior is influenced by a combination of temporal factors and demographic characteristics. These results are expected to serve as a basis for e-commerce practitioners in developing more targeted marketing strategies and as a reference for future research in the field of e-commerce data analytics.

Zulfa Zakiatul Hidayah; Erin Soleha

Jurnal Manuhara : Pusat Penelitian Ilmu Manajemen dan Bisnis 2026 Asosiasi Riset Ilmu Manajemen Kewirausahaan dan Bisnis Indonesia

Millennials aged 25 to 40 are currently the largest consumer group. Their dynamic lifestyles and social demands make them highly consumptive. The ease of obtaining credit, such as loans and credit cards, through advances in financial technology (FinTech) has further accelerated this trend. Unfortunately, exposure to social media that portrays a consumptive lifestyle encourages many of them to follow trends and buy non-essential items. The lack of financial literacy among young Indonesians often makes them unaware of the consequences of debt, which ultimately erodes the financial independence that is so badly needed in this era. This study aims to prove the relationship between Financial Technology, Lifestyle, and Self-Control that influence Debt Behavior. In addition, it is seen that men and women have different levels of self-control, and this is input for researchers to add gender as a moderating variable in their research. The research method used is a mixed method, more precisely a Sequential Explanatory Design, in which quantitative data is collected and analyzed, then combined with qualitative data to explain or enhance quantitative findings. Primary data was collected through questionnaires and interviews with experts, while secondary data was collected from articles and other reference data. The population used was the community in the city of Jakarta. The sample was collected using accidental sampling techniques, and the statistical test tool used Structural Equation Modeling (SEM) with SmartPLS software.

Riska Auliya; Titi Sunarti; Rizka Mutiara; Azzahra Dwi Damayani; Risti Fauziah

Jurnal Pendidikan Dirgantara 2026 Asosiasi Riset Ilmu Pendidikan Indonesia

Guidance and counseling constitute a crucial element in the educational structure of elementary schools, functioning to support students’ holistic development, including academic, social, emotional, and personal aspects. As students at this level are in the early stages of development, they require systematic guidance to actively adapt to the school educational context while optimizing the development of their potential to an optimal level. This study aims to examine the variety of guidance and counseling services in elementary schools and their role in addressing students’ problems through a literature review of relevant scientific sources, including national and international journals as well as reference books published after 2020. The results indicate that the implementation of guidance and counseling at the elementary school level encompasses various forms of services, such as orientation to the school environment, information services, placement and referral guidance, group guidance activities, individual and group counseling services, consultation, and mediation efforts. These services contribute to helping students overcome learning difficulties, behavioral problems, social adjustment issues, and personality development. However, their implementation still faces several challenges, including a shortage of professional personnel and teachers’ limited understanding of guidance and counseling. Therefore, it is essential to strengthen guidance and counseling programs in elementary schools in a well-planned and sustainable manner.

Kamariah Kamariah; Rosalia Putri; Dian Rahayu

Jurnal Riset Rumpun Ilmu Kesehatan 2026 Pusat riset dan Inovasi Nasional

The prevalence of correct handwashing behavior with soap in Aceh Province is 36%. School-age children are the time to instill PHBS values ​​and have the potential to be agents of change to promote PHBS both in the school environment, family, and society. The impact of lazy handwashing with soap can cause various diseases such as diarrhea, flu, hepatitis A, and impetigo (a contagious infection that usually occurs in children who rarely wash their hands, this disease is characterized by red skin which then develops into small blisters). The purpose of this study is to determine the effectiveness of mini posters as a health promotion media on handwashing behavior with soap in elementary school students. The research method is one group pretest posttest design. The sampling technique is total sampling, while the number of samples in this study was 80 students from grades 5 and 6 of elementary school. The results of the study obtained before the intervention of mini posters washing hands with soap behavior of elementary school students 77.5% of students did not wash their hands with soap after urinating and defecating. After the intervention of mini posters washing hands with soap behavior of elementary school students 87.5% did wash their hands with soap. There is an effect of mini poster intervention on increasing handwashing behavior in elementary school students with a p value of 0.000 < 0.05. The results show that mini posters are a reference for the effectiveness of health promotion in preventing infectious diseases in elementary school children by implementing a handwashing program with soap in the school environment

Indri Kurniawati; Ebtana Sella Mayang Fitri; Ajie Wicaksono

Jurnal Pengabdian dan Keberlanjutan Masyarakat 2026 Lembaga Pengembangan Kinerja Dosen

Kampung Wisata Titik Nol in Central Java has significant potential for developing special-interest tourism, particularly nature-based and outdoor sport tourism. However, this potential has not been optimally utilized due to limited community capacity in designing structured and market-ready tourism products. This community service program aims to enhance the capacity of local tourism managers and youth organizations in packaging sustainable and competitive sport tourism packages. The program was conducted at Joglo Gumregah from August to November 2024 using a Participatory Action Research (PAR) approach. The implementation was carried out in three phases: preparation, implementation, and evaluation. The preparation phase included field observation, Focus Group Discussions (FGDs), and coordination with village authorities and community leaders. The implementation phase involved in-depth interviews and mentoring activities in developing sport tourism packages. The evaluation phase was conducted through interactive dialogues with stakeholders to refine the developed packages. The results indicate an improvement in participants’ understanding and skills in designing integrated and locally based sport tourism packages. The resulting packages are expected to serve as references for sport tourism development and to support community empowerment and economic sustainability in Kampung Wisata Titik Nol.

Rifqiya Zahara; Syach Dilla Bi Rizqi Yahya; M. Yunus Abu Bakar

Hikmah : Jurnal Studi Pendidikan Agama Islam 2025 Asosiasi Riset Ilmu Pendidikan Agama dan Filsafat Indonesia

This study aims to analyze the application of Think-Pair-Share (TPS) and Group Investigation (GI) cooperative learning strategies as pedagogical innovations in strengthening Islamic values and student learning independence in Islamic Religious Education (IRE) subjects. This study uses a library research method by examining various relevant scientific sources, including cooperative learning theory, the concept of independent learning, and Islamic educational values. The results of the study show that the integration of TPS and GI strategies can create an active, participatory, collaborative, and reflective learning process. Through paired discussions and investigative group work, students are trained to think critically, be responsible, and be able to work together harmoniously. In addition to improving academic understanding, the application of these two strategies also contributes to instilling Islamic values such as ukhuwah (brotherhood), amanah (trustworthiness), and mutual respect. Thus, this learning innovation is not only oriented towards cognitive aspects, but also towards character building and spirituality of students. The findings of this study are expected to be a reference for PAI teachers in developing effective, contextual, and Islamic character learning strategies.

Ucha Indra Gunawan

Ebisnis Manajemen 2025 Fakultas Ekonomi & Bisnis, Universitas Nusa Nipa

Entrepreneurial interest has increased significantly in recent years among both the general public and university students. This trend has encouraged higher education institutions to integrate entrepreneurship education into almost all academic programs. One group that has gained increasing attention in entrepreneurship studies is students of health-related programs, such as midwifery, nursing, and pharmacy, as these fields offer substantial opportunities for the development of health-based services and products. Although many studies have focused on entrepreneurial interest among health students, the research methods, variables, and findings vary considerably. Therefore, a comprehensive literature review is needed to synthesize existing research and provide a clearer understanding of entrepreneurial interest within this population. This study aims to review and summarize 15 selected studies examining entrepreneurial interest among students in health-related study programs. A literature review method was employed by analyzing research objectives, theoretical frameworks, research designs, variables, and key findings of the selected studies. The results of this review indicate that entrepreneurial interest among health students is influenced by several factors, including entrepreneurial motivation, knowledge and skills, self-efficacy, social environment, and institutional support. The findings are expected to serve as a reference for higher education policymakers and future researchers in developing more effective and contextually relevant entrepreneurship education strategies for students in the health sector.

Muhammad Hanip; Arya Anggara; Rifa Nafisah; Yuni Ertinawati

Jurnal Kesehatan dan Kedokteran 2025 Lembaga Pengembangan Kinerja Dosen

This study investigates the influence of the vocabulary terms “selumbari” and “tulat” on efforts to develop and cultivate the Indonesian language, particularly through expanding public lexical awareness via social media. These two terms, originating from local linguistic traditions, possess significant potential to be integrated into modern Indonesian as part of cultural preservation and the strengthening of national linguistic identity. The research employed a descriptive quantitative method, collecting data through the dissemination of educational videos and Google Form questionnaires on social media platforms such as Instagram, WhatsApp, and TikTok. Respondents consisted of students, university students, the general public, and various other social groups. Analysis of responses from 20 participants revealed that most respondents had never heard or read the words “selumbari” and “tulat.” However, the majority stated that both words were easy to understand and contributed positively to vocabulary development in Indonesian. The findings indicate that social media plays a strategic role in introducing and popularizing new vocabulary to a wide audience. This study also highlights the importance of vocabulary enrichment as part of ongoing Indonesian language development, ensuring that the language remains adaptive to contemporary changes while representing local cultural richness. The implications of this research may serve as a reference for educators, linguistic institutions, and policymakers in formulating strategies to enhance vocabulary literacy, especially among younger generations.

Yuli Fitriyanti; Rusdiah Roitona Nasution; Sendi Sendi; Siti Saroh Hasibuan; Miftahir Rizqa

AL-MUSTAQBAL: Jurnal Agama Islam 2025 STIKes Ibnu Sina Ajibarang

The development of digital technology has changed the way Islamic Religious Education (IRE) is taught, encouraging the use of digital media as a means to improve interaction, motivation, and understanding among students. This study aims to examine the methodology for developing digital-based IRE learning media, identify the supporting and inhibiting factors for its implementation, and formulate a systematic and contextual methodological framework. The study uses a descriptive qualitative approach through document analysis and systematic literature review of scientific articles, research reports, and methodology books published between 2019 and 2025. The analysis was conducted through reduction, grouping, interpretation, and content analysis to map development models, validation techniques, pedagogical principles, and the suitability of media to student characteristics. The results show that the most commonly used development models include ADDIE, Borg & Gall, 4-D, and iterative approaches such as SAM. The successful implementation of digital media is greatly influenced by teacher readiness, student digital literacy, content suitability with the curriculum, and institutional infrastructure and policy support. These findings emphasize the importance of content validation by experts, the integration of religious moderation values, and continuous training for teachers so that media can be used effectively, relevantly, and ethically. This study is expected to be a reference for PAI developers and educators in creating  

Yonatan Novelius; Yusawinur Barella; M Zainul Hafizi; Hadi Wiyono

Proceeding of the International Conference on Global Education and Learning 2025 Asosiasi Riset Ilmu Pendidikan Indonesia

This study aims to determine the effectiveness of the Problem-Based Learning (PBL) model assisted by Doratoon animation videos on students’ conceptual understanding in Social Studies for eighth-grade students of SMP Negeri 6 Sengah Temila. This research employed a quantitative approach using a quasi-experimental method with a Pretest-Posttest Control Group Design. The population in this study consisted of all eighth-grade students, with two classes selected as samples using a purposive sampling technique. The experimental class was taught using the PBL model assisted by Doratoon animation videos, while the control class used Canva media. The research instrument was a multiple-choice test consisting of 20 questions administered before and after the treatment to measure students’ conceptual understanding. The data analysis results showed that the average N-Gain score of the experimental class was 21.6% (low category), while the control class scored 22.6% (low category). The independent sample t-test yielded a significance value of 0.000 < 0.05, indicating a significant difference between the experimental and control classes. Therefore, the Problem-Based Learning model assisted by Doratoon animation videos was proven to be more effective than Canva media in improving students’ conceptual understanding in Social Studies. The results of this study are expected to serve as a reference for teachers in applying innovative learning media to support more interactive and meaningful learning.

Ahmad Firmansyah; Achmad Nashrudin Priatna; Noerma Kurnia Fajarwati; April Laksana; Putri Handayani

Jurnal Riset Rumpun Ilmu Sosial, Politik dan Humaniora 2025 Pusat Riset dan Inovasi Nasional

This study aims to describe and analyze the communication strategy of the General Affairs (GA) Division of PT The UNV Serang in managing work relationships with outsourced workers from PT Tri Karya Cemerlang (TKC). Using a qualitative approach and in-depth interview methods, this study found that the GA Division implemented a structured and effective communication strategy, reflecting a deep understanding of Communication Strategy Theory, Organizational Communication, and Communication Management. The strategy involved thorough planning, flexible implementation, and continuous evaluation. The GA Division used various communication channels such as WhatsApp groups, weekly face-to-face meetings, and the use of visual media (photos/videos) to ensure clear and directed communication. This multi-channel approach facilitated timely and accurate information flow between departments and outsourced workers. Additionally, the GA Division positioned itself as a "communication bridge," centralizing coordination for all departments and ensuring smooth operational processes. The communication pattern employed was an effective combination of formal, hierarchical communication and informal, personal communication. This combination served to strengthen relationships, foster mutual understanding, and promote a collaborative work environment. The study highlights the importance of a strategic and adaptable communication framework that ensures seamless coordination, promotes positive work relationships, and contributes to organizational success. This research can serve as a reference for improving communication strategies in similar organizational settings.

Yulianti; Ali Maulida; Samsuddin

Al Irfan: Jurnal Ilmu Pendidikan dan Penelitian 2025 IAI Sunan Giri Trenggalek

Psychology is the science that studies the human psyche and its development. In this article, we discuss common research methods in developmental psychology, including experiments, tests, clinical methods, observation, and case studies. Each method has strengths and weaknesses that need to be considered. This research uses the library research method by examining various reference books and relevant prior research findings to obtain a theoretical foundation and strengthen the analysis of the issues studied. This method was chosen because the research focuses on the conceptual review of investigative methods in developmental psychology, thus not requiring field data collection.  It is concluded that the selection of an appropriate method plays a crucial role in producing valid and reliable findings. Every research design has strengths and limitations that need to be considered in accordance with the research objective and the characteristics of the subjects being studied. Conceptually, a deep understanding of research method principles allows researchers to design studies capable of accurately capturing individual developmental changes and differences between groups. The mastery of research methods is not merely procedural but is also an important conceptual foundation for the scientific understanding of human development and the application of effective interventions in the context of psychology, education, and clinical practice.