The effectiveness of concept-mapping in improving CHM 130 students' achievement
The effectiveness of concept mapping (CM) has been investigated in introductory chemistry students' achievement. The researcher tested the hypothesis which stated that the implementation of concept mapping in teaching introductory chemistry will increase students’' performance. The sample was two sections, experimental group and control group. Both groups had taken a pretest. The experimental group draw CM’s for the units taught. The units included naming, moles, balancing equation, stoichiometry, and molarity. At the end of the semester, the performance