One doctorate student conducted a research study in which he argued “Does a unit on proper nutrition change children’s breakfast-eating habits”. What type of research methodology did he utilize to...

One doctorate student conducted a research study in which he argued “Does a unit on proper nutrition change children’s breakfast-eating habits”. What type of research methodology did he utilize to address this problem? a. A. Descriptive method B. Correlation Research C. Experimental method D. Qualitative method