Biodiversity with problem-based learning: impact on quality of students’ scientific argumentation

This study aims to determine the effect of problem-based learning (PBL) on the scientific argumentation of class X students at Senior High School in Indralaya, Indonesia, on biodiversity education. The research method was quasi-experimental with a non-equivalent control group research design. This research was conducted in class X-science-3 (n=33) as an experiment and X-science 4 (n=33) as a control at Senior High School in Indralaya, Indonesia. The data collection instrument was a test question that included scientific argumentation skills in essay questions and recorded class discussions. Data on writing scientific arguments are analyzed using cohesion and coherence, sentence effectiveness, concept correctness, critical analysis of problems and problem-solving. Data on the ability of scientific argumentation in writing and oral are also analyzed based on Toulmin's claim, data, warrant, backing, rebuttal, and qualifier. Furthermore, based on the Toulmin aspect, the students' quality level of scientific argumentation is determined. The result showed that the level of argumentation quality of students who applied the PBL model was mainly at level 3, while the control class was mainly at level 1. The effect being studied is significant. The PBL can significantly influence the ability of scientific argumentation in class X students at senior high school in Indralaya, Indonesia.

Virtual laboratory of Andaliman tissue culture integrated with islamic values

Nowadays, the world is being hit by a Corona virus outbreak which has an impact on every line of life including the field of Education which encourages students to take online learning. This study aims to develop a Virtual Laboratory of Andaliman Network Culture integrated with Islamic values as an interactive learning media to overcome problem obstructions in practicum activities as well as to strengthen the internalization of Islamic values and insights into the local potential of students in The State Senior High School 11 Medan, North Sumatera, Indonesia. This research was conducted using Research and Development (R & D) with the ADDIE approach (Analysis, Design, Development, Implementation, Evaluation). The results showed that the percentage of media validity by Material Expert validators was 98.61%, Islamic Values Material Expert validators were 90.62%, Virtual Laboratory Expert validators were 93.96%, and Field Practitioner Expert validators (Biology Teachers) were 93.75% with the category of evaluation of all validators as very good. Meanwhile, the percentage of student responses to the media reached 63.88% in the good category. Thus, it is highly recommended to use the Virtual Laboratory which was developed because it has tested validly to increase understanding about mechanism Plant Tissue Culture with Islamic Values and Local Potential.

Fostering metacognitive skill: A means to improve students’ academic achievement

Metacognition is one of the five key learning skills in the 21st century. This research aims to describe the profile of the students' metacognitive skills in biology learning at Tangerang Selatan Senior High School. This type of research was survey with descriptive approach. The population of this research was students of Senior High school in Tangerang Selatan, Indonesia. Sampling was conducted with stratified sampling, four school was determined by random sampling. Data on metacognitive skills are collected using questionnaires with supporting data in the form of interviews, observations, and documentation. The survey results of metacognitive skills and observation were analyzed using descriptive statistics. Based on the results of the survey, the average planning result is 72.47%, monitoring by 73%, and evaluating by 72.17%. The results showed that students' metacognitive skills in biology are in a strong category so that these skills can support the increase learner academic outcomes in the learning process.

Effectiveness of argument-driven inquiry (ADI) on students’ concept mastery and argumentation skills in reproductive system

This study aims to determine the effect of the Argument-Driven Inquiry (ADI) learning model application on the concepts mastery and argumentation skills of high school students on reproductive system material. The research method used quasi-experimental and non-equivalent control group design. The sample of this research were second-grade high school MIPA students in one of the public high schools in Bandung, which consists of 30 students in the experimental class and 33 students in the control class. The sample was taken by using the purposive sampling technique. The instruments used consisted of a concept mastery test in the form of multiple choices, an argumentation ability test in the form of an essay, and questionnaire of students’ responses to the ADI model. The results showed that the application of the ADI learning model significantly affected the students' concepts mastery on reproductive system material in the experimental class compared to the control class, especially in the cognitive aspects of C3 (applying). The results also show that the application of the ADI learning model significantly affects the ability of argumentation, especially on the warrant component. Student response data shows that students respond very well to the application of the ADI learning model. Therefore, the ADI learning model is recommended for biology teachers to improve students’ concepts mastery mastery and argumentation skills in other biological materials.

Is project-based transdisciplinary assessment effective in reducing the Mathematical anxiety of pre-service Biology teacher?

Mathematical anxiety is a constant obstacle experienced by pre-service Biology Teachers in developing their quantitative abilities. Project-based transdisciplinary assessment is one type of transdisciplinary application that has not been widely explored to solve this problem. Project-based transdisciplinary assessment in form of mini-research with the topic “Data Collection on local wisdom in each area”. The aim of this study is to determine the impact of implementing project-based transdisciplinary assessment on reducing mathematics anxiety among 23 pre-service biology Teachers. This study used a pre-experimental method with a pre-test and post-test design with one non-randomized group. The pre-test and post-test were carried out using the AMAS (Abbreviated Math Anxiety Scale) questionnaire. Data were analyzed using descriptive statistics and the Wilcoxon signed ranks test. Statistical results of this study show no significant difference in mathematics anxiety before and after the implementation of the project-based transdisciplinary assessment with a z value of-0.163 and a p-value of 0.87. Based on the aspect of mathematics anxiety, there is also no significant difference in mathematics learning anxiety and mathematics evaluation anxiety when compared before and after the implementation of project-based transdisciplinary assessment with each z value = -0.664, p = 0.506 and z = -0.931 and p = 0.352. The implication of this research is the need for a continuous, collaborative and institutional effort in the transdisciplinary application so as to improve the quantitative abilities of pre-service Biology Teachers.

Scientific reasoning skills (SRS): Predictor to the student’s problem-solving in the biology classroom?

Scientific reasoning and problem-solving have become primary interests in 21st-century education. These skills have an essential role in preparing students to face global competition. This study aims to determine the correlation between scientific reasoning and problem-solving skills of biology students in animal classification and whether scientific reasoning can be used to predict problem-solving skills. The participants were 56 undergraduate students of Biology Education. The scientific reasoning and problem-solving skills of students were assessed with the pre and post-test. A simple linear regression test using the SPSS 16.0 was applied in data analysis. The results showed a p-value of 0.00 < 0.05, so there is a correlation between scientific reasoning and argumentation skills. R-value indicates 0.523, which means a strong correlation. The contribution of scientific reasoning to argumentation skills was 27.3%, while other variables explained the rest.

Students’ entrepreneurship interest and cognitive learning outcomes: Effectiveness of biodiversipreneurship

This study used a quantitative method with a pre-experimental design, model of one group pretest-posttest design. The purpose of this study was to determine the effectiveness of the biodiversipreneurship learning method on students’ learning outcomes and entrepreneurship interest. This research was applied to the Biotechnology course with the sample consisting of 15 students of Natural Science Education department of UNHASY Jombang in the fifth semester of 2018 class. The research instrument included a learning outcome assessment sheet and entrepreneurship interest questionnaires. Data analysis was done quantitatively descriptively with independent sample t test. The t-test analysis on learning outcomes in the form of pretest-posttest scores and interest in entrepreneurship shows the significance value of 0.000 or ≤ 0.05. Thus, it can be concluded that biodiversipreneurship learning method is effective in increasing students’ learning outcomes and interest in entrepreneurship.

Identification of Lampung local potential as source of Biology learning in senior high school

This research is a preliminary study on a small and limited scale that aims to identify local potentials in the Lampung area as a source of learning biology with conformity to the Basic Competencies in the 2013 Curriculum. This study used a qualitative method with a survey technique through an exploratory descriptive approach. Participants in this study were all biology teachers from 17 public high schools in Bandar Lampung totaling 30 teachers (5 males and 25 females). The selection of participation was done through purposive sampling technique using certain criteria. The results of the study show 18 local potentials of Lampung consisting of 6 natural resource potentials, 4 conservation areas, 4 culinary delights, 2 arts, 1 handicraft and 1 traditional ceremony. The grouping of local potentials can be related to the subject of biology at the high school level. Local potential can be categorized as use in the field of education, namely natural resources and conservation areas. It can alsobe used as practicum activities with the help of LKPD media. Furthermore,local culinary potential can be used as practicum activities on learning devices (RPP), local potentials for arts, crafts. moreover, traditional ceremonies can be used as an additional reference for enrichment programs on learning devices (RPP).

Integration of ethnoscience in problem-based learning to improve contextuality and meaning of biology learning

Meaningful learning can be carried out by adapting learning to local culture and traditions. Ethnoscience is a set of knowledge identified in a community and can be used as the learning base to create contextual and meaningful learning for students. This study aims to find more information about ethnoscience-based biology learning. The research method used was a literature study. The literature used mainly discusses ethnoscience, ethnoscience learning, and learning methods. The instrument used in this study was a summary table of all related articles, following the summary table made by Cronin et al. (2008). This research produces a new conceptual framework which is a synergy between ethnoscience and problem-based learning. This research also generates six procedures for designing ethnoscience-based learning and five steps to integrate ethnoscience into Problem-based Learning. The integration of ethnoscience in problem-based learning can increase the contextuality and meaning of biology learning and can be applied to maintain local culture. This study recommends the use of procedures resulted from this study to design ethnoscience-based learning and integrate ethnoscience learning into Problem-Based Learning.

The profile of students HOTS at Malang, Indonesia in responding to higher-thinking biology questions

Higher Order Thinking Skills (HOTS) is one of the primary 21st-century skills that Indonesian schools have not optimally developed. The present study was aimed at 1) presenting the profile of students’ HOTS in Malang and 2) investigating the influence of grades on students’ HOTS. This quantitative study involved 559 students from 18 schools in Malang municipality as the participants. The data were collected using ten essay questions as the instrument and analyzed through descriptive statistics and one-way ANOVA as the data analysis techniques chosen in this study. This study revealed that first, the students of Junior High School in grades VII, VIII, and IX at Malang acquired a low level of HOTS. Second, the students of Senior High School performed an excellent level of HOTS. Third, there was a significant influence of the student's grades to the level of the students’ HOTS in which senior high school students accomplished a higher level HOTS than junior high school students. Therefore, to improve this essential skill, the students in Indonesian schools should be given as much exposure to teaching and assessment based on HOTS.