Pretest-posttest Control Group Design Research Articles

The effect of tele-nutrition education on fat percentages, cholesterol, and physical activity in adults with overweight

Overweight and obesity can be caused by lack of physical activity and an imbalance in energy intake and energy expenditure, which can lead to excess energy which will be stored in the form of fat tissue in the body. Efforts to improve healthy lifestyles can be done with nutritional education. Technological developments can provide opportunities to increase telehealth activities in Indonesia, one of which is tele-nutrition. This study aims to determine the effect of tele-nutrition education on changes in percent fat, cholesterol and physical activity in overweight adults. This research uses a pre-test post-test control group design. A total of 46 adult respondents aged 19-49 years. Both groups were first given an initial test (pre-test) with the same test. Then the experimental group was given special treatment, namely tele-nutrition-based nutrition education, while the control group was given direct leaflet-based nutrition education treatment. Data analysis was used using the Paired T Test and Wilcoxon Test. Based on the results of the analysis, there was no effect on body fat percentage before and after being given nutritional education in the experimental group and control group (p>0.05). There was an effect on cholesterol levels and physical activity before and after being given nutrition education in the experimental group, while in the control group there was no effect on cholesterol levels and physical activity before and after being given nutrition education (p<0.05). Keywords: cholesterol levels, percent body fat, physical activity, tele-nutrition education

Effect of Effective Cough Education Video on Airway Clearance in Post General Anesthesia Patients

Background: Post-anesthesia disorders, particularly respiratory conditions related to hypoxia, can rapidly lead to fatal outcomes if not promptly identified and managed. Effective coughing techniques are essential for patients to expel phlegm efficiently. Purpose: This study aimed to evaluate the effectiveness of airway clearance in patient post-general anesthesia at RSI Purwokerto after viewing cough instruction videos. Methods: A quasi-experimental design, specifically the Pretest-Posttest Control Group Design, was employed. A total of 52 respondents were selected through purposive sampling. Data on airway clearance were collected using observation sheets. The Mann-Whitney U and Wilcoxon tests were utilized for data analysis. Results: Prior to viewing the instructional videos, the average airway clearance score was 1.03; this improved to 0.42 post-intervention. In the control group, the average score improved from 1.07 to 0.73 after education. The Wilcoxon test results indicated a significant difference in airway clearance before and after the intervention in both the experimental group (p = 0.001, p < 0.05) and the control group (p = 0.003, p < 0.05). Furthermore, the Mann-Whitney U test revealed a significant difference between the experimental and control groups post-intervention (p = 0.026, p < 0.05). Conclusion: The findings demonstrate that viewing cough instruction videos significantly improve airway clearance in patients who have undergone general anesthesia. This intervention is effective in enhancing respiratory outcomes in this patient population at RSI Purwokerto.

Enhancing Students' Conceptual Understanding of Newton Law with Conceptual Problem Solving Learning: An Experimental Study

This study aims to examine the effectiveness of Conceptual Problem Solving-based learning in improving student conceptual understanding of Newtonian mechanics. The quasi-experimental method with a nonrandomized control group pretest-posttest design was used to compare students conceptual in the experimental and control class. The subjects in this study were 69 first-year students of the Physics Education study program at one of the state universities in Yogyakarta. Force Concept inventories are used to assess students conceptual understanding of Newtonian mechanics. The findings revealed that there was significant difference in the increase in students conceptual understanding between the experimental and control groups. The increase in conceptual mismatch in experimental class students using CPS learning was higher (N-gain = 0.33) compared to control class students using direct instruction learning (N-gain = 0.11), although both groups experienced an increase. This study provides a real picture that the CPS technique can be used as a more successful strategy to improve the quality of physics learning, especially in improving knowledge of basic topics that are often difficult for students to understand, one of which is Newton's Law.

The Effectiveness of The Problem-Based Learning Model on Student Learning Achievement in Islamic Education Learning

Objective: This study aims to assess the effectiveness of the Problem-Based Learning (PBL) model on students' academic achievement in Islamic Education Learning in class VIII at MTs An-Nuur Trisono. Method: Using a pseudo-experimental design with a pretest-posttest control group design, the study involved two classes: one experimental group that followed Islamic Education Learning with PBL, and one control group with conventional models. Data was collected through tests covering Islamic Education Learning's subject matter. Results: Statistical analysis showed a significant increase in students' learning outcomes using PBL (65.6%) compared to the conventional model (41.2%). Novelty: Students who engaged in PBL learning showed better concept understanding, application of moral values, and problem-solving skills. This study provides empirical support for the effectiveness of PBL in improving Islamic Education Learning's learning outcomes. The implications of this study emphasize the importance of applying innovative learning models such as PBL to improve the quality of Islamic religious education in secondary schools. The findings will guide teachers, schools, and education stakeholders in developing more effective learning approaches.

The Influence of the Project-Based Learning (PjBL) Model on Student's Science Process Skills and Critical Thinking

Applying the project-based learning model in learning can train and develop scientific attitudes and problem-solving skills so that students can increase creativity, innovation, and critical perspectives. This research aims to determine the effect of the project-based learning model on student's science process skills and critical thinking. The research subjects of class X Phase E. This research was quantitative research with a quasi-experimental research design with a non-randomized control-group pretest-posttest design. The instruments used are essay questions on science process skills and critical thinking. The test results were analyzed using Quade's rank analysis of covariance statistical test and the One Way Ancova test. The research results show that the average pretest-posttest score of experimental class students taught using the project-based learning model is higher than that of control class students taught using the problem-based learning (PBL) model. Hypothesis testing using Quade's rank analysis of Covariance and One Way Ancova tets informs that the use of the project-based (PjBL) model affects student's science process skills and critical thinking.

The Influence of the Project Based Learning Model Assisted by PhET Simulation on Students’ Critical Thinking and Problems Solving Abilities in Sound Wave Material

This research aims to test the effect of the Project Based Learning model assisted by PhET simulations on students' critical thinking and problems solving abilities in sound wave material. The type of research used was a Quasi experiment with a pretest-posttest control group design. The population in this study were all students in class XI Science at SMAN 3 Mataram. The sampling technique used purposive sampling technique, so that XI IPA 1 was obtained as an experimental class which was given treatment using a Project Based Learning model assisted by PhET simulation and XI IPA 2 as a control class using a conventional model. The test instrument used is a description of 12 question items consisting of 7 question items to measure critical thinking abilities and 5 question items to measure problem solving abilities. The hypothesis test used in this research is one-way MANOVA. The results of the hypothesis test show that the significance value of 0.001 is less than 0.05, so H_0 is rejected and H_a is accepted. Based on these results, it was concluded that there was an influence of the Project Based Learning model assisted by PhET simulations on students' critical thinking and problems solving abilities in sound wave material.

The Effectiveness of Consuming Young Green Coconut Water on Dysmenorrhea Pain in Adolescent Girls

Dysmenorrhea, characterized by stabbing menstrual pain, affects up to 90% of women globally, impacting adolescent girls' activities and concentration in school. To manage this pain, both pharmacological and non-pharmacological methods are essential. One accessible non-pharmacological method is consuming young green coconut water. This study aimed to assess the effectiveness of young green coconut water in alleviating dysmenorrhea in adolescent girls. Conducted at five junior high schools on Java and Sumatra from May to June 2024, the quasi-experimental study used a pretest-posttest control group design. The population included 126 female students with dysmenorrhea, with a sample of 56 divided into experimental and control groups. Data were collected using the Numeric Rating Scale (NRS) and analyzed. Results showed that the mean menstrual pain before intervention was 5.18 (moderate pain) in the experimental group and 4.68 (moderate pain) in the control group. Post-intervention, the experimental group's mean pain was 1.00 (mild pain), while the control group's was 3.43 (mild pain). Statistical analysis indicated significant pain reduction in the experimental group (p = 0.000). The study concluded that young green coconut water effectively reduces dysmenorrhea pain in adolescent girls. Schools are encouraged to educate students about non-pharmacological pain management methods like this.

The Effect of Cooperative Learning on Academic Performances and Computational Thinking Skills in the Computational Problem-Solving Approach

In this study, we aimed to investigate the impact of cooperative learning on the computational thinking skills and academic performances of middle school students in the computational problem-solving approach. We used the pretest-posttest control group design of the quasi-experimental method. In the research, computational problem-solving activities regarding 6th graders' goals of the "heat and matter" unit, were applied individually by Group 1 and cooperative learning by Group 2. These activities required students to use computational thinking skills and code using the Python programming language. The study involved 34 students from the 6th grade of a private middle school located in the capital city of Turkey. The Computational Thinking Test (CTt) and an academic achievement test were used as pre-tests and post-tests to monitor students' computational thinking skills and academic performances. Additionally, computational problem-solving activities were scored to track the progress of students' computational thinking abilities. Non-parametric Mann Whitney U and Wilcoxon T-tests were utilized to analyze the progression of pupils' computational thinking abilities and academic success, and ANCOVA was used to analyze CTt scores. Qualitative data were collected through semi-structured interviews at the end of the process to determine students' views on the computational problem-solving process. Results revealed a significant increase in students' academic achievement and computational thinking skills in both groups. A comparison of post-test scores showed no significant difference between groups. It is anticipated that the research results will make meaningful contributions to the literature concerning the progress of computational thinking skills in secondary school students.

The Impact of Life Skills Training (LST) on Emotional Intelligence of High School Students

Emotional Intelligence (EI) has a major role in one’s mental health and Life Skills Training (LST) (LST) could be viewed as a bridge relating Emotional Intelligence and mental health. The purpose of this study was to investigate the effect of Life Skills Training (LST) on the Emotional Intelligence and Life skills of adolescent students. Using a pretest posttest control group design this hypothesis was analyzed.

An assessment of the efficacy of cognitive behavioral intervention for trauma in schools among student-residents at the Manila Boys’ Town Complex, Philippines

This study assessed the efficacy of the Cognitive Behavioral Intervention for Trauma in Schools (CBITS) in mitigating the impact of trauma on the behavior and academic performance of student- residents at the Manila Boys’ Town Complex, Philippines. Utilizing a pretest-posttest control group design, trauma symptoms were evaluated using the Trauma Symptom Checklist for Children (TSCC). The study included 20 participants, divided equally into experimental and control groups. Statistical analysis was conducted using the Wilcoxon Signed-Rank Test, a non-parametric test used to compare two related samples, in this case, the pretest and posttest scores. The test revealed no statistically significant differences between pretest and posttest scores across six TSCC subscales: Anxiety, Depression, Anger, Posttraumatic Stress, Dissociation, and Sexual Concerns, at the .05 significance level. Despite the lack of significant statistical improvement, median posttest scores for the experimental group were lower than those of the control group, with scores of 61.5, 60, 51, 55.5, 58, and 64, compared to 64.5, 59.5, 52, 58.5, 61, and 74.5 for the control group across the respective subscales. These results suggest that while CBITS did not produce statistically significant outcomes, it may have a potentially positive effect on addressing trauma-related issues. The findings highlight the complexities involved in trauma intervention within educational settings and emphasize the need for culturally and contextually tailored approaches. Future research should consider increasing sample sizes and further adapting CBITS to enhance the reliability and applicability of the findings. This study contributes to a deeper understanding of trauma intervention strategies in public schools and underscores the necessity for ongoing exploration to optimize support for vulnerable student populations.

The Effect of Respiratory Muscle Stretch Gymnastic (RMSG) on Lung Capacity in The Elderly

The elderly are members of society who must be paid attention to, because in the elderly there will be changes, one of which is in the respiratory system, in this case lung capacity, which is influenced by aging, environmental and lifestyle factors which can be measured with a tool called spirometry. Efforts that can be made to maintain lung function in the elderly are by providing exercise, one of which is Respiratory Muscle Stretch Gymnastics (RMSG). The aim of this research was to determine RMSG on lung capacity in the elderly at the Posyandu for the Meaningful Elderly. The research method used was Quasi Experimental with a Pretest-Posttest Control Group Design research design. The sampling technique was Purposive Random Sampling and a sample of 30 elderly people were obtained which were divided into 2 groups. Data collection was carried out using spirometry, which was then carried out by univariate and bivariate analysis tests. The research results showed that there was an effect of RMSG on the elderly with the results in the intervention group increasing the average value, while in the control group the average value decreased. The conclusion obtained based on the results of data analysis is that there is an effect of giving RMSG on lung capacity in the elderly.

Penerapan Model Pembelajaran Konstruktivisme Menggunakan Media Google Classroom untuk Meningkatkan Hasil Belajar Siswa pada Mata Pelajaran Dasar-Dasar Desain Komunikasi Visual Kelas X di SMKN 3 Kuningan

This study aims to determine the learning outcomes of students using the constructivism method using google classroom media in the subject of Visual Communication Design Basics class X SMKN 3 Kuningan in 2023/2024. The method used was quantitative with the type of quasi-experimental method with a pretest-posttest control group design. The population in this study is class X students of SMKN 3 Kuningan. The sample used in this study was divided into 2 classes (experimental and control) with a total of 72 students. The data collection techniques used in this study are tests and questionnaires. The data analysis techniques used in this study are using normality tests, homogeneity tests, hypothesis tests, validity tests, and reliability tests. The results of this study show that the learning outcomes of students in the subject of Fundamentals of Visual Communication Design of CorelDraw material in class X at SMKN 3 Kuningan before using the Constructivism learning model are still lacking with an average score of 77.78. Student learning outcomes in the subject of Fundamentals of Visual Communication Design CorelDraw material in class X at SMKN 3 Kuningan after using the Constructivism learning model are good with an average score of 84.72. There was a change in the learning model of Constructivism on student learning outcomes in the basic subjects of visual communication design

Efektivitas Penggunaan Video Pembelajaran Terhadap Keterampilan Membaca Permulaan Siswa di SDN 52 Kuranji

This study aims to determine the effectiveness of the use of learning videos on students' initial reading skills at SDN 52 Kuranji. This study uses a quantitative approach with a type of quasi-experimental desgin research with a pretest posttest control group design model The samples in this study were taken using a random sampling technique consisting of two classes, namely class 1A with 22 students as the experimental class and class 1B with 21 students as the control class. The data collection technique of this study uses an oral initial reading test. Data analysis techniques used normality test using the shapiro wilk technique, homogeneity test and non-parametic test- Mann Whitney for hypothesis testing. The results of data analysis showed that in the experimental class, the average pretest and posttest scores were 50.90 and 77.18, while in the control class, the average pretest and posttest scores were 53.38 and 63.80. Testing this hypothesis was carried out with a significance level of 0.05. Based on the results of the processing, it is known that there is a significant difference between the two classes. Therefore, it can be concluded that the use of learning videos is effective on students' initial reading skills at SDN 52 Kuranji

Penerapan Model Pembelajaran SAVI (Somatic, Auditory, Visual, And Intellectual) untuk Menigkatkan Hasil Belajar Siswa Kelas X SMA Negeri 1 Ciawigebang

This research aims to determine the effectiveness of implementing the SAVI (Somatic, Auditory, Visual, Intellectual) learning model in improving the learning outcomes of class X SMA Negeri 1 Ciawigebang. SAVI is a somatic, auditory, visual intellectual learning approach and is supported by Accelerated Learning theory, Left Brain Theory, Right Brain Theory, Multiple Intelligence Theory and holistic (comprehensive) education. The SAVI approach is learning that combines physical movement with intellectual activity and the use of all the senses. This research uses a quasi-experimental method with a pretest-posttest control group design. The population of class X which consists of 12 classes is 432 students. The sample for this research was 72 class X students of SMA Negeri 1 Ciawigebang who were divided into two groups, namely the experimental group and the control group. The experimental class was given the SAVI learning method while the control class used the conventional method. The design used in this research is nonequivalent control group design. Learning outcome data was obtained from the pretest and posttest. The data collection techniques used in this research were observation, tests and questionnaires. the results of hypothesis testing using the t-test showed that Tcount > Ttable (2.414 > 2.032) and the significance value was more than 0.05 (p=0.029 < 0.05), so it could be stated that there was a significant difference in the increase in learning outcome scores in Thus, it can be concluded that the experimental group and the control group show that H0 is rejected and H1 is accepted

Enhancing Creative Thinking and Global Diversity Through Culturally Responsive Teaching in Primary Schools

This study aims to develop a problem-based learning (PBL) model incorporating a culturally responsive teaching (CRT) approach, with the objective of enhancing creative thinking skills and fostering globally diverse dispositions among primary school students. The research employed a quasi-experimental design, specifically a non-equivalent pretest-posttest control group design. Participants included 26 students from a fifth-grade class at a public primary school in Bogor City, divided into experimental and control groups selected through purposive sampling. The implementation of the learning model was monitored using observation sheets, while the assessment of creative thinking skills was conducted using a descriptive test covering four key indicators: fluency, originality, flexibility, and elaboration. Additionally, global diversity dispositions were measured through questionnaires, and student feedback was gathered using both questionnaires and student-produced magazines. Observations indicated that the PBL-CRT model was implemented with full fidelity, achieving 100% adherence to the planned instructional steps. Analysis of creative thinking outcomes revealed that the experimental group exhibited a high N-Gain score, significantly outperforming the control group, which was categorized in the moderate range. Furthermore, the experimental group demonstrated a superior global diversity disposition, with a difference of 11.34% compared to the control group. Student feedback was overwhelmingly positive, with questionnaire responses falling into the "very good" category, and student magazine content reflecting favorable reactions to the CRT approach.

Integration of cognitive conflict in generative learning model to enhancing students’ creative thinking skills

In the complexity of the Fourth Industrial Revolution era, the importance of creative thinking is increasingly emphasized in the context of learning computing and algorithms. These skills are instrumental in inspiring innovative solutions, addressing complex challenges, and fostering the development of advanced technologies that characterize the transformative landscape of Industrial Revolution 4.0. This study aims to determine the effectiveness of the generative learning model based on cognitive conflict in improving the creative thinking skills (CTS) and learning outcomes of students in the computational physics and algorithms & programming courses. This research used mixed methods consisting of pretest-posttest control group design and snowballing technique. The research instruments consist of cognitive tests, psychomotor tests, affective tests, CTS tests, observation questionnaires, and interviews. The research sample consisted of 138 students taking computational physics and algorithms & programming courses. Quantitative data were analyzed using multivariate analysis of variance and qualitative data were analyzed using narrative analysis. The findings indicate that this model effectively improves students’ CTS and learning outcomes. Furthermore, the cognitive conflict aspect encourages students to be creative in analyzing and solving problems. This model has the potential to be used to optimize students’ potential in facing the demands of the fourth industrial revolution.

The effectiveness of competency-based global health education programs for medical students.

This study aimed to develop a competency-based global health education (GHE) program for medical students and analyze its effectiveness. The study had a pretest-posttest control group design. The program was developed based on the eight global health competency domains for medical students and implemented for 18 hours over 6 weeks beginning in September 2023. The intervention and control groups comprised 34 students and 41 students, respectively. The analytical methods used were t-test, chi-square test, and analysis of covariance. Experience with global health activities and pretest scores were controlled as covariates to exclude the effects of participants' general characteristics and pretest scores. The intervention group had outscored the control group on interest in a global health career and the necessity of GHE and also showed significantly higher posttest scores on global competence, global citizenship, and global health competence. Students were generally satisfied with the GHE program. A global health competency-based GHE program effectively increases medical students' interest in global health careers, their understanding of the need for GHE, and their global competence, global citizenship, and global health competence. This study is expected to promote GHE program development and research.

The Effectiveness of Mindfulness-Based Cognitive Therapy to Improve Anxiety Symptoms and Quality of Life in Breast Cancer Patients.

Breast cancer patients often experience anxiety, impacting their Quality of Life (QOL) . Mindfulness-Based Cognitive Therapy (MBCT) is a 3rd generation psychotherapy from CBT combined with MBSR where mindfulness methods are carried out in a structured and scheduled manner, able to provide a pause between the stressor and the automatic response it causes. This study aimed to assess MBCT's effectiveness in alleviating anxiety and enhancing QOL in Stage III breast cancer patients undergoing chemotherapy, with mild-moderate anxiety disorders. The experimental research, conducted at Moewardi General Hospital Surakarta from March to June 2023, employed a quasi-experimental pretest-posttest control group design. Thirty subjects were divided into intervention (MBCT) and control (psychoeducation) groups. Participants completed demographic forms, disease history, and assessments using the Hospital Anxiety & Depression Scale (HADS-A) and European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire Core 30 (EORTC QLQ-C30). There was a significant improvement in HADS-A scores in both groups (P <0.001) where the difference in the median HADS score in intervention group was higher compared to the control group. The effect of MBCT to the score improvement of HADS-A showed statistically significant results P=0.003 with HR 1.288. In the EORTC QLQ C30 Global score, the intervention group experienced a significant increase P<0.001, and in the control group, it did not significantly increase p=0.087 although multivariate analysis showed that MBCT was not significant in improving the global EORTC score. From the continued multivariate analysis of the EORTC QLQ C30 function, score improvement was significantly influenced by MBCT with P=0.035 and HR 3.086. Meanwhile, for the EORTC symptoms, score improvement was influenced by MBCT with P=0.005 and HR3.401. There is a score improvement in HADS-A and EORTC with the provision of MBCT psychotherapy and with the provision of psychotherapy. However, the HADS and EORTC improvement scores were significantly higher with MBCT compared to psychotherapy alone.

Black Tea Jelly Candy (Camellia Sinensis) to Increase Salivary Volume in Elderly: Preliminary Research

Background: Physiological changes in the elderly include decreased saliva production that causes dry mouth, difficulty in chewing and swallowing. Chewing gum and candies with a chewy texture like jelly can help stimulate the salivary glands. Black tea contains some phenolic and flavonoid compounds that have antioxidant properties that can increase the saliva flow rate. Objective: To determine the gap in saliva volume of elderly subjects before and after chewing black tea jelly candy compared to the saliva production when subjects chewed non-black tea candies and the control group (no treatment). This study also determined the prevalence of xerostomia in subjects. Materials and Methods: This field experiment was conducted using a Randomized Controlled Clinical Trials design with a pretest-posttest control group design. 30 elderly subjects aged 45-90 years in the Tresna Werda Budi Mulia 1 Nursing home, Jakarta were selected based on the predetermined inclusion criteria. They signed the informed consent and answered the Summated Xerostomia Inventory Questionnaire (SXI). Salivary volume before and after chewing black tea jelly candy was measured using a measuring cup. Statistical tests consisting of Oneway ANOVA and Dependent T-Test were performed to analyze the data. Results: The prevalence of elderly who complaining of xerostomia in this research was 40%. There was a significant gap in saliva volume between the three groups with p = 0.002 (P&lt;0.05). An increase in saliva volume in the black tea jelly candy treatment group was identified. The average volume before intervention in the black tea jelly candy treatment group was 1.26 mL and after the intervention was 2.15 mL. Conclusion: Chewing black tea jelly candy increase the saliva volume in elderly subjects.

Effects of Evidence-based Intravenous Infusion Therapy Practice Education for Nursing Students Applying the Peer Teaching Method between Seniors and Juniors: A Quasi-Experimental Study

Purpose: This study aimed to organize a training program for nursing students using the peer teaching method between seniors and juniors and to investigate its effects on self-confidence, skill performance ability, and self-directed learning ability.Methods: A non-equivalent control group pretest-posttest design was used. The study population comprised 76 nursing students (experimental group, n=37; control group, n=39) from two universities. The experimental group received four training sessions of 2 hours each, during which peer teaching was applied between seniors and juniors. Data were collected between September 4 and September 15, 2023 and analyzed using SPSS for Windows version 28.0.Results: Compared with the control group, the experimental group exhibited significant increases in self-confidence (t=4.36, p&lt;.001), skill performance ability (t=4.74, p&lt;.001), and selfdirected learning ability (t=2.25, p=.027).Conclusion: Peer teaching between seniors and juniors was found to be an effective tool in nursing education to cultivate nursing students' skill performance confidence, skill performance ability, and self-directed learning ability. The findings of this study can guide nursing professors in designing and implementing educational programs that incorporate peer teaching between seniors and juniors. Future studies should continue to apply peer teaching to nursing education programs and evaluate its effectiveness.