Following are the Objectives of the study:

• To identify the impact of lecture method in relation to the students' knowledge on 'childhood diarrhea'.

• To identify the impact of group discussion method in relation to the students' knowledge on diarrhea.
• To identify the impact of lecture coupled with group discussion ('mixed' method) in relation to the students' knowledge on diarrhea.
• To compare effectiveness of the instructional methods among each other in relation to the students' knowledge on diarrhea.