Dedi Zulkarnain Pulungan’s research while affiliated with State University of Padang and other places

The purpose of this research is to develop the digitization of Partuturon cultural linguistic index as an effort to conserve and revitalize the Angkola language in South Tapanuli Regency. This research is structured using the concept of needs analysis, application development, application testing and implementation. This research brings findings and results that stimulate the initialization of the Partuturon cultural linguistic index, provide a deeper understanding of the angkola language and contribute to its preservation and development efforts, and overall understand the impact of digitization on the conservation and revitalization of the Angkola language. The implications of the findings examined towards the maintenance of the Angkola language, as well as the potential development of modern cultural innovations. The results of the analysis show that the digitization of the linguistic index of Partuturon culture has proven to be effective in the conservation and revitalization of the Angkola language. The digitization of the linguistic index has increased public interest in the Angkola language, especially the younger generation. The digitization of the linguistic index has also helped the community in understanding and using the Angkola language better.

The purpose of this study was to identify the learning interest of elementary school students following online learning (blended learning) using the google classroom application. This study uses a qualitative method with a descriptive design. The population in this study were fifth grade students in the 2021/2022 academic year. Sampling by purposive sampling is class V which consists of 20 participants from a total population of 48 students. Data collection techniques using triangulation, namely the pretest, posttest, gain, N-gain instruments on cognitive learning outcomes equipped with interview and observation instruments to confirm student learning perceptions. The results showed that the average cognitive learning outcomes of elementary school students pretest was 66.42, posttest results averaged 78.25; the average gain is 11.83 while the N-gain is 0.57 with a percentage increase of 57% which indicates that the use of the application is quite effective in improving the cognitive learning outcomes of elementary school students. While the results of interviews and observations of students and teachers showed a positive response. Students' interest in learning increases with the variants of thematic learning offerings with the Google Classroom application. Meanwhile, the teachers showed a positive attitude that showed an openness to new approaches to learning using digital platforms, especially the Google Classroom learning application.