"Dataset: A Transformative–Collaborative Lesson Study Model for Strengthening Teacher Professionalism in Support of Deep Learning Implementation in Indonesian Junior Secondary Schools"

This dataset contains the supporting research materials associated with the dissertation entitled "A Transformative–Collaborative Lesson Study Model for Strengthening Teacher Professionalism in Support of Deep Learning Implementation in Indonesian Junior Secondary Schools."

The dataset comprises four main components:

1. Demographic Data – background information of the 104 respondents involved in the study, including their gender, age, and respondent category (teachers, supervisors, and students).
2. Interview Transcripts – verbatim transcripts of in-depth interviews conducted with selected respondents to obtain qualitative insights supporting the quantitative findings.
3. Descriptive Statistics – summary statistical results (N, mean, standard deviation, minimum, and maximum values) for each research variable, derived from questionnaire responses.
4. Questionnaire – the research instrument used to collect data from respondents, covering all measured indicators.

A total of 104 respondents participated in this study, consisting of teachers, supervisors, and students from junior secondary schools (SMP) in Kabupaten Garut, Indonesia. The dataset includes responses on the following research variables: Lesson Study, Transformative-Collaborative (Teacher), Transformative-Collaborative (Supervisor), Teacher Professionalism, Deep Learning Implementation (Student), and Deep Learning Implementation (Teacher).

This dataset is intended to support transparency, reproducibility, and further research related to the transformative-collaborative lesson study model in enhancing teacher professionalism and the implementation of deep learning in Indonesian secondary education.