It is very common for coaches to have many coaching groups: one-on-one clients, different groups,...
Articles about research
It is very common for coaches to have many coaching groups: one-on-one clients, different groups,...
You need to choose what questions you are going to ask your clients.
Do you know how far 1 dataset can get you?
Do you want to publish your data in the future?
How do you get an IRB for publishing a research study?