Abstract:
Abstract:
This research aims to evaluate the practicality and effectiveness of natural science
subject lesson plan set on the concept of plant structure and its utilization in technology
in training the critical thinking skills of junior high school students. The lesson plan set
includes syllabi, lesson plan, student worksheet, teaching material, media, and
assessment sheet. The development is using Plomp and Nieveen’s development steps
which consist of preliminary research and prototyping. The method used in this
research is descriptive qualitative. The research is done in five months (July-November
2017) at the State Junior High Schools 1 in Banjarmasin. The subject of the small group
test is 12 students of VIII B Class and field test is 34 students of VIII D Class. The subject
appointment is done purposively, which based on high, medium, and low academic
capability. The practicality data is obtained from 1) lesson plan implementation and 2)
students’ responses. The effectiveness data is obtained from the learning result of 1)
spiritual, 2) affective, 3) cognitive, 4) psychomotor, 5) critical thinking skills, 6) teachers’
activities, and 7) students’ activities. Data analysis is done descriptively. The result
shows that the lesson plan set is practical to use based on the implementation of lesson
plan and students’ responses. Lesson plan set is effective to use based on the criteria of
the learning result of 1) spiritual, 2) affective, 3) cognitive, 4) psychomotor, 5) critical
thinking skills, 6) teachers’ activities, and 7) students’ activities.
