The development of students' worksheets using problem-based learning to improve creativity and time management skills of students.

In the 21st century, time management skills are important for everyone. Therefore, time management skills are needed to be empowered through the learning process, including problem-based learning in the classroom. This study was aimed to develop student worksheets in Biology learning resource development lectures and looked for its impacts. The research method used is design research. The problem-based worksheets, critical thinking rubrics, and time management skills rubrics were used have been validated and reliable. This study showed that the use of problem-based worksheets improved both of the students' creativity scores and students' time management skills. The N-Gain score for creativity and students' time management skills were 0.41 and 0.57 respectively. This study also revealed that there was a strong and positive correlation between creativity and students' skills in managing their study time. [ABSTRACT FROM AUTHOR]