What genre (or type) is the research project, and how will that affect the kinds of sources you use? An observational report in the social sciences may demand mainly primary sources, such as...

What genre (or type) is the research project, and how will that affect the kinds of sources you use? An observational report in the social sciences may demand mainly primary sources, such as observations, interviews, and surveys, whereas an argument essay for a history course may require a variety of primary and secondary sources (from published historians).