Service-learning is one of the learning methods that combine learning in the classroom with service activities to the community. In service-learning, students are invited to apply the lecture material in solving the problems in the community directly. In the process, many student characters will be trained and developed. This research focuses on developing character assessment instruments that develop after the implementation of service-learning activities in Biology Education Program, Sanata Dharma University, Yogyakarta. The purpose of this research is to develop a character assessment instrument in the form of questionnaires for students, especially in Biology Education at Sanata Dharma University. Questionnaires developed through the stages of the development of the instrument, including determining the purpose of the preparation of the instrument, find the relevant theory, compile instrument indicators, compile instrument, content validation, and revisions based on input validator. Instrument validation is done through content validation with expert judgment. Based on the result of content validation by expert judgment, Aiken index is obtained at 0.85 with high validation category. Based on these results, the character assessment questionnaire developed can be implemented in the learning to assess the character development of students after implementing service-learning.

<p style="text-align: justify;">The mastery of Technological Pedagogical Content Knowledge (TPACK) is very important for teachers in order to achieve qualified learning. Analyzing the mastery of TPACK by teachers in Indonesia seems to be imperative to provide baseline data to Indonesian government. This study aimed to examine the mastery of TPACK, in particular among biology teachers in terms of their teacher certification status, educational level, and academic background. This research involved 68 biology teachers obtained through proportional random sampling in five districts of Yogyakarta Special Region, Indonesia. The data collection was conducted through a multiple-choice test consisting of 33 items. The results showed that although the teacher’s mastery of TPACK was categorized as fair (60.13), it does not meet the work performance standards as a good teacher in Indonesia which has a minimum score of 76.00. Using Mann Whitney U and Kruskal Wallis Tests (p< 0.05), the evidence revealed that the mastery of TPACK among biology teachers is likely influenced by the academic background, educational level, and teacher certification status.</p>

Distance learning as Covid-19 pandemic solution has student learning boredom as a negative impact. Game application can increase students' enthusiasm and motivation to learn in distance learning. The game-based learning (GBL) model is potentially applied to create a fun learning atmosphere and overcome learning boredom. This study aims to determine the effect of GBL implementation on cognitive learning outcomes and student responses in the biological interaction chapter in Covid-19 distance learning. This research wasexperimental research (one-group pretest-posttest design). The research sample was 25 students. This research used one treatment group without a control group. The test questions were used as cognitive learning outcomes instruments. The questionnaire was used as a student response instrument. Game application used were classified as mobile games, single-player games, role-playing game (RPG). GBL syntaxes were pre-experimentation, experimentation, reflection, activity, and discussion. The results showed that the implementation of GBL in the biological interaction chapter in Covid-19 distance learning affected students' cognitive learning outcomes. The effect of this model could improve students' cognitive learning outcomes with 28% students of low category N-gain while 72% students of medium and high.

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