Primary & secondary research
Primary research- This is where you yourself collect your own data or information. An example of this could be a survey that you take, an interview that you have or focus group.
Secondary Research- This is where you get the data or information from someone or something else. For example you could get data from the internet, a textbook or articles.
Qualitative & Quantitative Data:
Qualitative data- This is where data is collected by the quality of something. For example: Why don't you eat breakfast in the morning?
Quantitative data- This is where data is collected in numbers. For example: Did you get the new Iphone?