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The covid-19 pandemic has an impact on student learning outcomes in the practicum of the invertebrate systematics course.The aim of this research is to determine the learning outcomes of post-pandemic invertebrate systematics practicum for students in semester 5, academic year 2022/2023. The method used in this research is a descriptive qualitative method. The sample used in this research was 5th semester students with a total of 5 classes totaling 97 students. The sampling technique used was the Population Sampling Technique. Data was obtained from a list of TKP scores, report scores, response scores and student perceptions submitted using a Google Form questionnaire. The results obtained by Biology Education students in the Invertebrate Systematics Practicum were based on TKP scores of 45.4% in the high category, 49.5% medium and 5.2% low. Based on the report value, 96.9% is in the high category, 2.0% is medium and 1.0% is low. Based on the response value, 3.1% were in the high category, 28.9% were medium and 68.0% were low. And based on the results of the student perception questionnaire, it can be interpreted that post-pandemic learning has had a positive impact, including being able to carry out practicums in the laboratory and improving student learning outcomes.

This study aims to find out whether there is a relationship between students' perceptions of Mathematics lessons and the learning outcomes of Mathematics in fifth grade at SD Negeri Pilot Kabanjahe in the Academic Year 2022/2023. The type of research used is quantitative. The subjects used as the sample in this study were 26 students. While the data collection technique uses a questionnaire on students' perceptions of Mathematics lessons, and documentation of students' Mathematics learning outcomes. The data analysis used is product moment correlation analysis, to find out whether there is a correlation in student perceptions of fifth grade Mathematics at SD Negeri Pilot Kabanjahe in the 2022/2023 academic year.The results of this study are: 1) seen from the calculation of descriptive statistical analysis that students' perceptions of fifth grade mathematics at SD Negeri Pilot Kabanjahe for the 2022/2023 academic year are obtained in the moderate category (69.3%). 2) student learning outcomes in the moderate category (96.2%). 3) there is a positive and significant correlation between students' perceptions of Mathematics and the Mathematics learning outcomes of fifth grade students at SD Negeri Pilot Kabanjahe for the 2022/2023 Academic Year with a significant value of 5% of 0.404 and a positive Pearson correlation value of 0.578 with the degree of closeness of the relationship between the two low.  

The goal of this study is to determine the effectiveness of IPA, or phonetic transcriptions, in Tophonetics application based on phonetic transcriptions. Descriptive qualitative research methodologies are employed. Seven students were used as the sample in this study to examine phonetic transcriptions using phonetic tools and gauge participants’ perceptions. In this study, the author employs interviews as a tool to gather data. This study’s conclusion is that students use this tophonetic application to look up phonetic transcriptions. According to the study’s findings, students can readily complete IPA, or phonetic transcriptions in English, using the Tophonetics application rather than utilizing an open dictionary. They can also more easily learn how to utilize the program, which will help them pronounce words more clearly.