Average Value Of Pretest Research Articles

Pengembangan buku ajar pembuatan kemeja pria dan efektivitasnya bagi siswa kelas XI Tata Busana SMK di Kabupaten Gunungkidul

Background: Textbooks are essential in facilitating independent and structured learning for students, supporting teachers in delivering curriculum-aligned material, and ensuring vocational high school students gain relevant industry skills for effective knowledge transfer and achievement of learning objectives. Purpose: This study aims to produce textbooks for making men's shirts that are worthy of being used as instructional materials and to know the effectiveness of using textbooks for students of class XI at SMK Negeri Gunungkidul District. Method: This study is research and development (R&D) with reference to the Borg and Gall development model, namely:1) Conducting product analysis, 2) Developing initial products, 3) Expert validation and revision, 4) Small-scale field trials and product revisions, 5) large scale field trials and final products. The product trial design consists of media experts and material experts, as well as field trials. Data collection techniques are, observation, questionnaires and tests. The feasibility test of teaching books was analyzed using descriptive analysis. Whereas to test the effectiveness of textbooks, data were analyzed using the t-test with a significance level of 0.05. Findings: The results showed that textbooks for making men's shirts were categorized as feasible, with the assessment of media experts getting an average score of 4.6 and based on the assessment of material experts, they got an average score of 4.28. The resulting textbook is effective to be used for students of Class XI Fashion Design at SMK N 1 Saptosari, as evidenced by the average pretest value of 64.12 increasing in the posttest of 83.21, the result of tcount ≥ t table (22.028≥ 1.696).

EDUKASI PENINGKATAN PENCEGAHAN PERILAKU PERUNDUNGAN DAN KEKERASAN SISWA SEKOLAH DASAR MELALUI PENDEKATAN BEHAVIORISTIK

The recent increase in cases of bullying and violence committed by elementary school students is very concerning. Cases of bullying and violence against students also occurred at SDN Kejambon 2, Ngemplak. To overcome this problem, education was carried out to prevent bullying and violence through a behavioristic approach. The aim is to provide education and assistance to students in grades 4, 5 and 6 so that they better understand bullying and violence, recognize types of bullying, provide an understanding of the impacts of bullying, and provide an understanding of things that can be done to avoid bullying behavior. The method used is through a campaign in the form of training related to the ins and outs of bullying and violence by starting with a pre-test to determine students' knowledge, then continuing with training while inviting students to do a sharing session, ending with a post-test so that after the training students can have awareness and mindset that bullying behavior should not be done. The results of the paired sample correlation test showed a correlation coefficient value of 0.609 with a significance value (Sig.) of <0.001. While the Paired Samples Test showed a Sig. (2-tailed) value of <0.001, with an average pre-test value of 60.00 and a post-test result value of 82.39. These results mean that there is an influence of education in increasing the prevention of bullying and violent behavior in students of Kejambon 2 Elementary School. The recommendation for Kejambon 2 Elementary School is to immediately form a task force, have counselors and build synergy with student guardians in order to optimize the handling of bullying in the Kejambon 2 Elementary School environment.

Penerapan Metode Struktural Analitik Sintetik (SAS) terhadap Kemampuan Membaca Permulaan Siswa Kelas I SD Negeri 11 Kodeoha Kabupaten Kolaka Utara

The problem in this research is whether the application of the Synthetic Structural Analytical (SAS) method can improve the initial reading ability of class I students at SD Negeri 11 Kodeoha, North Kolaka Regency. Meanwhile, the aim of the research carried out was to determine whether the application of the Synthetic Structural Analytical (SAS) method could improve the reading ability of beginners in class I of SD Negeri 11 Kodeoha, North Kolaka Regency. This type of research is pre-experimental research with a quantitative approach. The sample in this study was 22 class I students at SD Negeri 11 Kodeoha, North Kolaka Regency. The results of the research showed that there was an influence of the application of the Synthetic Analytical Structural (SAS) method on the initial reading ability of class I students at SD Negeri 11 Kodeoha, North Kolaka Regency. This can be seen from the comparison between the pre-test and post-test scores. The average pretest value obtained was 55.47. The average value was in the interval 55-64 which was included in the low category. Meanwhile, the average posttest score obtained was 81.94, which was in the 75-84 interval, which means it was in the high category. The research results obtained were tcount = 15.26 and ttable = 3.819. Then tCount ≥ tTable or 15.26 ≥ 3.819. So it can be concluded that Ho is rejected and H1 is accepted. This means that the application of the synthetic analytical structural method (SAS) can have an influence in improving the initial reading ability of class I students at SD Negeri 11 Kodeoha, Bulukumba Regency.

The fartlek exercise method for improving cardiac, lung, and anaerobic endurance (UNY indoor hockey athlete)

This study intends to determine the effect of the fartlek training method on increasing cardio‑pulmonary endurance and anaerobic endurance for men's indoor hockey athletes at Yogyakarta State University. This type of research is experimental research, using the one group pretest‑posttest design method. The population in this study were UNY male indoor hockey athletes with a total of 12 people. The data collection technique in this study is a test. The 2.4 km running test instrument uses the Cooper test method to measure heart‑lung endurance and the RAST test to measure anaerobic endurance. Data analysis in this study used the t‑test, namely by comparing the pretest and posttest results of the experimental group. Based on data from the t‑test analysis between pretest and posttest, the fartlek training method on increasing heart-lung endurance has a calculated t value of 4.007 and t table df = 11 at a 5% significance level of 2.20. The calculated t value is 4.007 > t table of 2.20, and the p value = 0.002, because p is less than 0.05, there is a significant difference. Judging from the results of the average heart-lung endurance capacity, the average pretest value was 12.58 and the average posttest value was 11.31, because the average pretest value was greater than the average posttest value so there was an increase heart lung endurance was 1.27/10.09%. Furthermore, the results of the second analysis, the t‑test between the pretest and posttest of the fartlek training method on increasing anaerobic endurance, had a calculated t value of 22.951 and the t table value df = 11 at a significance level of 5%, namely 2.20. The calculated t value is 22.951 > t table is 2.20, and the p value = 0.000, because p < 0.05 there is a significant difference. Judging from the average value of anaerobic endurance ability, the average pretest value is 305.16 and the average posttest value is 416.03, because the average pretest value is less than the average posttest value, so there is an increase anaerobic endurance of 110.87/36.33%. Thus, it can be concluded that there is an influence of the fartlek training method on increasing cardiopulmonary endurance and anaerobic endurance in men's indoor hockey athletes at Yogyakarta State University.

Development of Science Learning Media Based on Augmented Reality Book with Problem Based Learning Model to Improve Learning Outcomes of Third Grade Students

This research was conducted based on the findings of problems in the field, one of which is the learning outcomes of students in science learning are still low compared to other learning. The purpose of this study was to determine the development, feasibility, and effectiveness of Augmented Reality Book learning media as a science learning media on water cycle material in elementary schools. The method used is R & D (Research & Development), and the development model used is the ADDIE model. The results of research and development are obtained from the results of feasibility trials and the results of usage trials. From media experts get a percentage of 91.67% with a very feasible category and from material experts get a percentage of 90.38% with a very feasible category. The results of the small group usage trial obtained an average posttest of 81.30 with an average pretest value of 54. While the results of the large group usage trial obtained an average posttest of 79.18 with an average pretest value of 50.27. With an increase in learning outcomes in the moderate category of 61% in small groups, while in large groups there was an increase in learning outcomes in the moderate category of 58%. So it can be concluded that AR-Book-based science learning media on water cycle material effectively improves student learning outcomes. For this reason, researchers hope that there is support for more complete learning facilities so that the application of using the media is more effective and more efficient.

THE EFFECT OF USING CONCRETE MEDIA ON STUDENT LEARNING OUTCOMES IN SCIENCE LEARNING

This study aims to determine the effect of the use of Concrete Object Media on Student Learning Outcomes in Science Learning Class II SD Inpres 2 Kotaraya. The method used is a quasi experiment with the equivalent pretest-posttest design. The population in this study amounted to 28 students with a sample of 28 students. Sampling technique by means of saturated sampling. Class II A at Inpres 2 Kotaraya as the experimental class and class II B at Inpres 3 Kotaraya Elementary School as the control class. The learning outcome instrument is a multiple choice test that has been validated. Based on the results of the posttest given to the experimental and control classes, the average value of the control class pretest was 64.21 and the experimental class pretest was 61.35. The average posttest value in the control class was 73.85 and the experimental class was 88.78. The average value of the experimental posttest has increased from the average value of the pretest and this is reinforced by the results of the hypothesis test. Based on the results of the final hypothesis test, it was found that the significant value was 0.000 because the significant value obtained was <0.05, so Ho was rejected and Ha was accepted. The results showed that there was an effect of using concrete objects media on student learning outcomes in science learning Class II SD Inpres 2 Kotaraya.

The Effect of Dart Board Media in Discovery Learning Model toward The Motivation Learning

This quasy-experimental research aims to determine the effect of Dart Board media in the Discovery Learning Model toward the motivation learning. The research design used was pretest - posttest control group design. The population in this study were students of class XI SMA Negeri 1 Soppeng who studied chemistry totaling three classes. Sampling used was simple random technique so as to obtain class XI 9 as an experimental group and class XI 10 as a control group. Data collection was done by giving motivation questionnaire at the beginning and end of the meeting. The results of descriptive statistical analysis obtained the average learning motivation value of the experimental group pretest of 73,5 and posttest of 80,83, and the control group pretest of 73,90 and posttest of 77,25. The results of the inferential statistical analysis at a significant level of 0,05 obtained Zcount> Ztable (2,62 > 0,65), then H1 is accepted and H0 is rejected. Based on the test results it can be concluded that there is effect of Dart Board media in the Discovery Learning Model toward the motivation learning.

PENGARUH MODEL PROBLEM BASED LEARNING BERBANTUAN ULAR TANGGA TEMATIK (UTATIK) TERHADAP PEMAHAMAN KONSEP TEMA 8 SUBTEMA 3 KELAS V SEKOLAH DASAR

The research aims to find out whether there is an influence of using the problem based learning model assisted by thematic snakes and ladders (UTATIK) on understanding the concept of theme 8 subtheme 3 at class V SD 4 Karangbener. Experimental research was conducted at SD 4 Karangebener with 20 students at class V as the research subjects. The data collection technique is a test technique with pretest and posttest instruments. The data analysis technique is a paired sample t-test using SPSS16. The research results show that the sig.(2-tailed) value of 0.000 is less than the significance level of 0.05 with an average pretest value of 42.38 and posttest 79.43, meaning that Ho is rejected and Ha is accepted. So it can be concluded that there is a significant influence of the problem based learning model assisted by thematic snakes and ladders (UTATIK) on understanding the concept of theme 8 subtheme 3 at class V SD 4 Karangbener.

PROPRIOCEPTIVE NEUROMUSCULAR FACILITATION (PNF) STRETCHING IN FUTSAL SPORT: HOW DOES IT AFFECT RECOVERY PULSE RATE AFTER HIGH INTENSITY INTERVAL TRAINING?

Background and Study Aim. During exercise, the work of the heart will be controlled by sympathetic nerves that will regulate the frequency of heart rate through the depolarization effect. Faster changes in depolarization effects can affect action potentials that become more frequent, so that the heart rate will increase. Stretching serves to improve blood flow and circulation, so it can help in lowering the pulse rate. This study aims to determine the effectiveness of PNF stretching on pulse rate recovery after doing HIIT on futsal players. Material and Methods. This research is an experimental research with the design of this research is control group pretest-posttest consisting of 20 people with sampling technique using population sampling. They were divided by ordinal pairing into two groups, namely the PNF stretching group and the control group. The PNF stretching group underwent PNF stretching session after HIIT session, while the control group only did HIIT session without PNF stretching. Recovery pulse rate was measured before and after the HIIT session, as well as after the PNF stretching intervention or rest period for the control group. Analysis was assisted using SPSS 26. Results. The results showed a significant decrease in recovery pulse rate in the experimental group with an average pretest value of 75.6, posttest 86.8 (p=0.000) with an effectiveness value of 85.8%. The control group showed a less significant decrease in recovery pulse rate, with an average pretest value of 75.2, posttest 76.8 (p=0.104) with an effectiveness value of 75.8%. Conclusion. So that this research is expected to serve as material for consideration, reference, and knowledge for parties related to the world of sports and health science, especially the effectiveness of Proprioceptive Neuromuscular Facilitation (PNF) stretching on pulse recovery after doing High Intensity Interval Training (HIIT).

Edukasi Dan Mengatasi Nyeri Bahu Dengan Terapi Latihan di Pos Lansia Banyuanyar Surakarta

Banyuanyar Village is located in Banjarsari District, Surakarta City. Banyuanyar Village is included in the status of urban areas and has a Puskesmas which plays an important role in public health. Patient visits at the Banyuanyar Health Center physiotherapy clinic for shoulder pain cases from 2022 were 25 patients while in 2023 they increased to 50 patients. The most common case is shoulder pain with the third highest case. Characterized by complaints of pain in the shoulder that hinder daily activities. The purpose of this program is to provide education and demonstrate exercises in cases of shoulder pain in order to reduce and prevent complaints. The method used was education in the form of counseling and distributing leaflets to the elderly at the Banyuanyar RW 03 elderly post. The results obtained from measuring the increase in understanding using the pre-test and post-test questionnaires were a significant increase in understanding regarding exercise with a pre-test average value of 10 and a post-test average value of 85.5

The Effectiveness Of Reading Aloud To Improve Students’ Reading Comprehension

At the junior high school level, English is a compulsory subject. Currently, there are many learning methods and media in teaching English, such as media images, slides, videos, etc. However, most teachers still use media in the form of text or reading. There are several techniques that can be used in reading skills, in this study the researcher focused on the 'reading aloud technique' as a teaching method to improve reading comprehension. This research was conducted on class VIII students of MTsN Al-Ikhwan Banjarmasin with a sample of 20 students who were divided into 2 classes, namely control and experimental classes. The test is carried out using multiple choice text. The study took place in 5 meetings with details: 1 pre-test and post-test for the experimental and control classes, 3 treatments using the reading aloud technique in the experimental class. The results of the study were processed using a quantitative approach, the following results were obtained: Average pretest value for the control class: 80, average posttest: 50. Meanwhile in the experimental class, average pretest: 70 and average posttest score: 75 Based on the results this average, it can be stated that the Reading Aloud technique is effective.

THE INFLUENCE OF INFORMATION SERVICES THROUGH ANIMATED FILM MEDIA ON MENTAL HEALTH IN CLASS XI IIS STUDENTS OF SMA NEGERI 1 BINJAI LANGKAT DISTRICT

<p>This research aims to determine the effect of information services through animated film media on the mental health of class XI IIS students at SMA Negeri 1 Binjai, Langkat Regency for the 2022/2023 academic year. This type of research uses quantitative experimental methods, namely one group pretest and posttest design. The subject of this research was class XI IIS 2 with a sample size of 33 students determined using purposive sampling. This research uses a questionnaire instrument as a measuring tool and uses validity tests, reliability tests, and paired T tests. Based on the results of research conducted: 1) there are differences in students' mental health before being given information services through film media with the pretest score results showing that students' mental health is in the low category. 2) there are differences in students' mental health after being given information services through film media with the pretest score results showing that students' mental health has a high category score. 3) there is an effect of increasing information services through film media using the paired T test with a sig (2-tailed) value of 0.000 < 0.05 and the difference in the average pretest value and the difference in the average pretest value of 89.6667 > from the average posttest value of 125.5758 which shows that there is a significant difference between the pretest and posttest, then Ho is rejected and Ha is accepted, which means that there is an influence of information services through film media on the mental health of Class XI IIS students at SMA Negeri 1 Binjai Langkat Regency for the 2022/2023 academic year.</p>

Konseling individu melalui metafora terapeutik video puisi untuk menstabilkan emosi akibat perceraian orangtua pada Siswa SMAN 6 Pontianak

This research aims to determine the effectiveness of individual counseling using the therapeutic metaphor of poetry videos to increase the meaningfulness of life due to parental divorce in students. The specific target to be achieved in this research is to dig deeper into the workings of individual counseling services with poetry videos through appropriate individual counseling steps so that their effectiveness can be seen. To measure the increased meaning of life due to parental divorce in students, emotional stability instruments were used both before and after treatment. This research uses an experimental design with a pretest posttest group design. The instrument given to the sample was an instrument developed by the author himself. In this design there is one group selected by purposive sampling. Based on data analysis, the average pretest value was 101.25 and after being treated, the posttest value was 57.8 with a Wilcoxon signed-rank test Z value of 118.25, with a p value of 0.006, which means the p value is smaller than 0.05. So it can be concluded that Ha was accepted and Ho was rejected, which means individual counseling through the therapeutic metaphor of poetry videos is effective for stabilizing emotions due to parental divorce.

A Study to Evaluate the Effectiveness of Structured Teaching Programme on Knowledge of Mothers Regarding Growth and Development of Toddler‟S from Selected Anganwadi‟S of Ratia Haryana

The primary objective of this study is to assess the efficacy of a structured instructional program in enhancing the knowledge of mothers pertaining to the growth and development of toddlers in specific Anganwadi centers located in Ratia, Haryana. The study employed a pre-experimental research design. The samples were chosen using the convenience sampling method. The study included a total of 60 moms who had toddlers as participants. The interview method was employed to obtain data pertaining to the growth and development of toddlers. The study devised a test to evaluate the level of information had by mothers pertaining to the growth and development of toddlers. The data that was gathered was subjected to analysis using Statistical Package for Social Sciences, Version 20. The findings of the study indicate that the average pre-test value was 1.32, whereas the average post-test value was 2.73. The calculated result for the mean difference was 1.41. The pre-test had a standard deviation value of 0.469, whereas the post-test had a standard deviation value of 0.446. The value of ‘t’ was 17.737, and the value of ‘p’ was 0.000. This demonstrates the efficacy. There were no statistically significant associations observed between demographic characteristics and pre-test knowledge level.

INCREASING THE CAPACITY OF POSYANDU CADRES IN DETECTION EARLY DANGEROUS SIGNS OF PREGNANCY THROUGH EXPOSURE WARNENG BOOKLET

Intoduction : One of indicator of a country's health status is the Maternal Mortality Rate (MMR). Maternal mortality during pregnancy and childbirth and postpartum can theoretically be prevented, if pregnant women and the community understand how to detect and treat early warning signs when there are dangers. Methode: organizing training using deductive models, using the Warneng Booklet for posyandu cadres Aim: To increase the knowledge and skills of posyandu cadres in early detection of pregnancy danger signs and early management. Result : There is an increase in knowledge of early detection of pregnancy danger signs by 5.76 points from the average pre-test value of 2.47 to 8.23 points. Increased knowledge of the early management of pregnancy danger signs from the average pre- test score of 1.78 to 7.9 and there was an increase in the skills of the posyandu cadres in providing education to pregnant women, as much as 6% can be seen from the difference in the average number of Yes, no questions on the checklist which was from 4, 90% to 10.90% from 12 observation points. Conclusion: Deductive model tutoring using the Warneng Booklet can increase knowledge about early detection of danger signs and early management of pregnancy complications as well as skills in providing education by cadres to pregnant women

Implementation of Hydrocarbon Adventures Game as An Online Learning Medua During Covid-19 Pandemic

The purpose of this study was to determine the application of the game Hydrocarbon Adventures as an online learning medium for hydrocarbon compounds in the covid-19 pandemic. The design of this study used the one-group-pretest-posttest experimental method. The target of this research is online learning using Hydrocarbon Adventures media games conducted by 27 grade XI students of Senior High School 1 Sampang. The students will be given a pretest before using the game and post test after using it. After that, students will be given questionnaire for the learning using online learning media. The results showed that student learning outcomes after using the learning media Hydrocarbon Adventures game had increased with classical completeness for values reaching 92.59%, and an increase in student learning outcomes at an average pretest value of 44.19 into an average post test score amounting to 83.41. Student responses about game media were obtained 79.2%. Based on these results, it was concluded that the Hydrocarbon Adventures learning media on the material of hydrocarbon compounds through online learning during the covid-19 pandemic can improve student learning outcomes.The purpose of this study was to determine the application of the game Hydrocarbon Adventures as an online learning medium for hydrocarbon compounds in the covid-19 pandemic. The design of this study used the one-group-pretest-posttest experimental method. The target of this research is online learning using Hydrocarbon Adventures media games conducted by 27 grade XI students of Senior High School1 Sampang. The students will be given a pretest before using the game and post test after using it. After that, students will be given questionnaire for the learning using online learning media. The results showed that student learning outcomes after using the learning media Hydrocarbon Adventures game had increased with classical completeness for values reaching 92.59%, and an increase in student learning outcomes at an average pretest value of 44.19 into an average post test score amounting to 83.41. Student responses about game media were obtained 79.2%. Based on these results, it was concluded that the Hydrocarbon Adventures learning media on the material of hydrocarbon compounds through online learning during the covid-19 pandemic can improve student learning outcomes.

Penerapan Media Pembelajaran Berbantuan Geogebra untuk Memecahkan Masalah Meteri Transformasi

Students’ difficulties in solving students' integral questions are caused by students enable to visualize abstract transformations. The lack of media used causes students to have difficulties in solving transformation. One of the alternatives to overcome this problem is by using GeoGebra-assisted learning media Therefore, the purpose of this study was to apply the media and to determine the effect of GeoGebra-assisted media on solving the problem of transformation. This Research engages 27 students. The design used in this study was the One-Group Pretest-Posttest. The data is obtained from the results of the pretest, treatment, and post-test. The data analysis technique used descriptive statistical data analysis technique and statistical inference. From the descriptive statistical analysis technique, the average pretest value was 29.44 and the posttest average was 91.67. From this average, there was an overall increase of 96.30%. The results of the inference analysis using the t-test obtained = 16.39 and = 1.684. this media also received a positive response from students. This can be seen from the student response questionnaire which got a total score of 93.09%. We can conclude that the GeoGebra media is very effectively used to solve the problem of transformation.

PENGARUH MEDIA PROMOSI LEAFLET TERHADAP PENGETAHUAN IBU TENTANG IMUNISASI DASAR PADA ANAK DI POSYANDU RW 08 DESA BOJONGKULUR KABUPATEN BOGOR TAHUN 2022

Immunization is the government's effort to prevent infants and toddlers from contracting infectious diseases so that the incidence of infection will decrease and reduce disability and death rates. The low level of immunization in children is partly due to the lack of education and knowledge of mothers about the importance of complete basic immunization, the lack of knowledge of mothers is caused by the lack of implementation of health promotion and the media used for health promotion is still not appropriate. This study aims to determine the effect of leaflet promotion media before and after being given an intervention. This type of research uses quantitative methods with a quasi-experimental approach. The design used in this research is one group pre-test and post-test. The sample of this research is mothers who have toddlers aged 0-24 months as many as 30 respondents. The results showed that the pre-test average value was 53.3 while the post-test average was 89.2. The results of the analysis based on the Paired Sample t-test obtained P – value = 0.000 where α < 0.05, which means there was a significant difference in the level of mother's knowledge before being given treatment and after being given treatment with leaflet promotional media. It can be concluded that targeted health promotion media are needed to increase mothers' knowledge of complete basic immunization in children aged 0-24 months at Posyandu RW 08 Bojongkulur Village, Bogor Regency. The researcher's suggestion is to hold special training in making health promotion media for health promotion workers so that they can be used and developed as health education media

Terapi Wicara Berpengaruh terhadap Kemampuan Komunikasi Verbal Pasien Pasca Stroke dengan Afasia

Stroke attacks the left side of the brain and affects the speech center, it is likely that the patient will experience speech disorders or aphasia. One of the actions that can be taken to overcome the problem of a verbal communication disorder is through speech therapy. This study aims to determine the effect of speech therapy on the verbal communication ability of post-stroke patients with aphasia in the Anggrek VIP Room of RSUD dr. Haryoto Lumajang. This type of research is quasy experiment with one group pre-post design. The population of 30 respondents and a sample of 28 respondents who met the inclusion requirements of the study were selected through a purposive sampling technique. The instrument used was the DERBY functional communication scale observation sheet, then the data was collected through a process of Editing, Coding, Scoring, and Tabulating. The data obtained were analyzed using the Mann Whitney test. The results of this study show that before doing Speech Therapy on the verbal communication skills of post-stroke patients with aphasia in the VIP Orchid Room at RSUD dr. Haryotoa Lumajang obtained the results of the average pre-test data value of 5,39, after the Speech Therapy was carried out, the results of the post-test average data value were 6,07. analysis test using the Paired T Test found that there was an effect of Speech Therapy on the Verbal Communication Ability of Post-Stroke Patients with aphasia in the VIP Room of Anggrek RSUD dr. Haryoto Lumajanga with p-value = 0,000, α = 0,05.

Efektivitas Edukasi Donor Darah Melalui Media Video pada Keluarga Pelajar Mahasiswa Indonesia Bolaang Mongondow Raya Yogyakarta

The limited number of donors can be caused by a lack of information about blood donors. Knowledge is one aspect of knowing human behavior. To increase students' knowledge, they need a learning media that can describe real physical concepts such as video education. The objective of this study was to describe the effectiveness of blood donor knowledge education through video media at the Indonesian Bolaang Mongondow Student Families Raya Yogyakarta. This research was a quantitative descriptive research with a Quasi-Experimental method which was carried out with a pretest-posttest. The sample is 56 respondents and the sample is taken using the Random Sampling technique. The results showed that the level of knowledge about blood donation prior to video education found that the respondents classified as having a good level of knowledge, 15 people (26.8%), enough 26 people (46.4%), less 15 people (26.8%). While the level of knowledge of blood donors after educational video knowledge was good for 45 people (80.4%), enough for 10 people (17.9%) and less for 1 person (1.8%). The pretest average value of 56 respondents was 65.11 and the posttest average value was 88.59. The effectiveness of video education based on gender characteristics obtained very small results, namely men (difference in the mean pretest and posttest 24.85) and women (difference in the average pretest and posttest 24.24) it can be said that video education is not influenced by gender sex. Based on the characteristics of the most effective age 21-25 years (difference in the average pretest and posttest 23.97) can be said to be influenced by age. Based on the characteristics of the most effective level of education SMA/SMK (difference in the average pretest and posttest of 35) it can be said that it is influenced by the level of education. The results of the paired t test showed that there were significant differences in the level of knowledge about blood donors before and after education using video media with the Sig value obtained. 0.000. Education on blood donor knowledge through videos is effective in increasing knowledge about blood donation.