Often the hardest part of the research process is getting started. Below are some quick tips to help you out.
image from: Overview of the Research Process (Hancock College)
Find out what other people have discovered and how they did it.
Narrow down your choices.
Definition: An eye-witness account - i.e. results are reported for the first time by the authors/researchers.
Types: research articles, conference papers, lab notebooks, proceedings, technical reports, theses and studies.
Definition: A second-hand report - i.e. results are summarized, interpreted, or commented upon by others who were not witnesses or participants.
Types: review articles, encyclopedias, magazine articles and text-books.