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This research aims to determine student learning outcomes on the material of arranging vowels and consonants into meaningful words using the Project Based Learning (PjBL) learning model in class I of YPPK Keakwa Elementary School. This research was carried out at YPPK Keakwa Elementary School. The method used in this research is classroom action research (PTK) which consists of several cycles until indicators of success in the action can be achieved. The research subjects were 24 class I students. The instrument used was to collect data in this research using an observation test. The test used was a description. Based on the results of the research data processing, it was found that in cycle I it showed that student learning outcomes when implementing the Project Based Learning (PjBL) learning model were obtained on average 73.33 with the highest score of 90 obtained by 1 person and the lowest score of 50 obtained by 4 people with a completion percentage of 78.38% after the teacher reflected and corrected several deficiencies so that student learning outcomes in cycle II increased to 100% with an average score of 85.0 with the highest score of 100 obtained by 2 people and the lowest score of 70 obtained by obtained by 7 people and have reached the standard of learning completeness. So it can be concluded that by implementing the Project Based Learning (PjBL) learning model the material for arranging vowels and consonants into meaningful words in Class I of YPPK Keakwa Elementary School has improved significantly so that it can be used as an alternative in learning.

Writing stories can start when students are in elementary school. Through story writing activities students can express their feelings, ideas, and ideas to others. Based on the results of interviews and observations conducted on January 20, 2021, the 5th grade homeroom teacher of SDN 5 Sudimoroharjosiswa felt bored in online learning during the pandemic. This can be seen from the students' writings that do not match the information. The writing of stories that do not match this information can be seen from one of the students who did not write down sports activities where there are pictures of people who are exercising. This study aims to determine the ability of students to present information in the form of stories through interactive image media based on thinglinks for grade 5 students at SDN 5 Sudimoroharjo, Nganjuk Regency. Based on the results of research on the use of interactive image media based on thinglink in Indonesian language learning, the material for retelling the sequence of events in fictional texts according to the background of the story has been carried out, it can be concluded that: (1) The implementation of learning using interactive image media based on thinglink is carried out according to the steps of learning activities which uses the project based learning model very well so as to increase the activities of teachers and students. This is evidenced by the increased activity of teachers and students in cycle I to cycle II. The average percentage of teacher activity in the first cycle is 82.85% with good criteria increasing to 10.01% to 92.86% with very good criteria in the second cycle. While the average student activity from the first cycle is 77, 86% with sufficient criteria increased to 11.43% to 89.29% with good criteria in cycle II. (2) The application of learning using interactive image media based on thinglinks can improve the ability of V SDN 5 Sudimoroharjo students, Nganjuk Regency, in retelling the sequence of events in fictional texts according to the background of the story. This is evidenced by the increase in student learning outcomes when in the skill aspect with the average value in the first cycle of 74 increasing to 89.5 in the second cycle. In addition, the percentage of student learning completeness also increased starting in the first cycle, namely 60.71% with less criteria, increasing by 39.29% to 100% with very good criteria in the second cycle. For teachers, it is recommended that if doing learning using interactive image media based on thinglinks, they should do a trial before being used by students.  

Writing stories can start when students are in elementary school. Through story writing activities students can express their feelings, ideas, and ideas to others. Based on the results of interviews and observations conducted on January 20, 2021, the 5th grade homeroom teacher of SDN 5 Sudimoroharjosiswa felt bored in online learning during the pandemic. This can be seen from the students' writings that do not match the information. The writing of stories that do not match this information can be seen from one of the students who did not write down sports activities where there are pictures of people who are exercising. This study aims to determine the ability of students to present information in the form of stories through interactive image media based on thinglinks for grade 5 students at SDN 5 Sudimoroharjo, Nganjuk Regency. Based on the results of research on the use of interactive image media based on thinglink in Indonesian language learning, the material for retelling the sequence of events in fictional texts according to the background of the story has been carried out, it can be concluded that: (1) The implementation of learning using interactive image media based on thinglink is carried out according to the steps of learning activities which uses the project based learning model very well so as to increase the activities of teachers and students. This is evidenced by the increased activity of teachers and students in cycle I to cycle II. The average percentage of teacher activity in the first cycle is 82.85% with good criteria increasing to 10.01% to 92.86% with very good criteria in the second cycle. While the average student activity from the first cycle is 77, 86% with sufficient criteria increased to 11.43% to 89.29% with good criteria in cycle II. (2) The application of learning using interactive image media based on thinglinks can improve the ability of V SDN 5 Sudimoroharjo students, Nganjuk Regency, in retelling the sequence of events in fictional texts according to the background of the story. This is evidenced by the increase in student learning outcomes when in the skill aspect with the average value in the first cycle of 74 increasing to 89.5 in the second cycle. In addition, the percentage of student learning completeness also increased starting in the first cycle, namely 60.71% with less criteria, increasing by 39.29% to 100% with very good criteria in the second cycle. For teachers, it is recommended that if doing learning using interactive image media based on thinglinks, they should do a trial before being used by students.  

This classroom action research aims to improve the critical thinking skills of Palangka Raya 1 Public High School students. Critical thinking skills are one of the skills developed in the 21st century. Critical thinking skills are honed so that students can practice rational reasoning, with an emphasis on making decisions about what to believe or do. This type of research is classroom action research. The research was carried out at SMA Negeri 1 Palangka Raya on the subject of Catholic Religion with material on the Church as Open Communion. The research subjects were class X students for the 2021/2022 academic year. The research instrument used a critical thinking skills questionnaire and observation of critical thinking skills in discussions. The data analysis technique uses a percentage formula. The results of this research are that in cycle I, of the 5 indicators of critical thinking skills, 3 indicators fall into the poor criteria and 2 indicators fall into the fairly good criteria. From the results of observations by colleagues who assessed the group's performance, 3 indicators fell into the fairly good criteria and 2 indicators fell into the not so good criteria. The score range comes in at a percentage of 55%-67%. In cycle II, of the 5 indicators of critical thinking skills, all indicators fall into very good criteria. From the results of peer observations, 5 indicators of critical thinking skills fall into very good criteria, namely in the range of 88% -92%.

  Underachieving students are not caused by their lack of ability, but can be caused by a lack of motivation to learn. The purpose of this research is to increase students' learning motivation through the application of the Problem Based Learning model. The research was conducted quantitatively using a descriptive survey method. The results of this study indicate that efforts to apply the Problem Based Learning learning model which is supported by giving appreciation or awards to students have been able to stimulate students' learning motivation.    

Information and Communication Technology is one of the new developments in the world of education which is currently being felt in every line of life. The purpose of this study is to describe the use of information and communication technology or ICT on students' perceptions of the application of Project Based Learning in the concept of acid and base indicators. The type of research used in this study is a quantitative research with a descriptive survey method. Based on the results of data processing and discussion, it is known that the use of information and communication technology affects students' perceptions of the application of project-based learning models.    

Kurikulum 2013 yang diterapkan di Sekolah Dasar merekomendasikan model pembelajaran berbasis pendekatan saintifik yaitu discovery learning, project-based learning, problem-based learning dan inquiry learning. Sebagian besar guru di SD Negeri Gandekan No 230 Surakarta mengaku belum memahami keempat model pembelajaran tersebut sehingga perlu adanya pelatihan tentang model discovery learning dan project-based learning. Metode pelaksanaan pengabdian meliputi: (1) metode pendekatan yang dilakukan mulai tahap survei, perijinan, dan pemberian motivasi bagi guru yang akan mengikuti pelatihan (2) metode pelaksanaan program, meliputi tahap pendahuluan, tahap sosialisasi dan audiensi, tahap pelatihan, serta tahap evaluasi akhir. Hasil kuesioner tanggapan guru terhadap pengabdian yang telah dilakukan menunjukan bahwa materi pelatihan sangat diminati dan dibutuhkan guru dalam pengembangan pembelajaran abad 21 dan menunjang era revolusi industri 4.0. Guru merasakan manfaat dari kegiatan pengabdian kepada masyarakat yang dilaksanakan karena dapat menjadi wawasan keilmuan baru dalam pengembangan kegiatan pembelajaran di sekolah.

Academic data increases every year in line with the increase of students. Abundant data store is alsoan abundance of information. Data mining technology is a tool for extracting information on largedatabases and has been widely used in many domains. Predicting student performance (study evaluation) isan activity to determine a future state based on existing data. Data in the field of academic research hasbeen done with various methods and algorithms, but the use of algorithm SLIQ (Supervised Learning InQuest) has not been done.SLIQ is an algorithm developed by the IBM's Quest project team in 1996 for mining large datasets.SLIQ algorithm classify and predict the students performance, beginning with the data cleaning, conductedelection training and testing data. By calculating gini index of each attribute and then selecting thesmallest gini index data table is split according to the criteria until find the same class. From the results ofthe calculation process can produce a set of rules that can be used to predict student performance.From the experiment it can be concluded that the algorithm SLIQ with decision tree technique canbe used as an alternative in designing a system datamining applications. Tests conducted system showedthat the constructed model can be used to predict the performance of new students. The resulting accuracyof the model system in fact has a lower score than the accuracy of other applications that are used as acomparison of Tanagra. Advantages of the proposed system is in its design does not need complexcalculations in obtaining the gini index attributes.