Free study courses
In free study you can find some of the most beneficial free research courses, so If you want to develop yourself, check some of these options.
Alison free courses
Alison offers free online research methods courses that will teach you about different methods which researchers can use for the collection of data. Broadly, all varieties of research methodologies can be categorised as one of four types: observational, experimental, simulational, and derived. If you need to learn about the efficient and rigorous collection of data, check out this page for more.