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Summary: 1  Primary research involves firsthand information gathered directly from the target population while secondary research involves the use of secondhand information which comes in the form of published articles, newspapers, news reports, recorded interviews, videos, books, and other printed or recorded resources.rimary Research vs Secondary Research. All of us are told to do some research, whether it is for our homework or for our workplace. Researching makes it very important in gathering authentic data.
basic research because the studies are looking at the fundamentals of how things work and interact; preclinical research because the research is conducted prior to research in people in the clinic or in clinical trials; Human studies There are several different types of research studies that involve humans. These include clinical trials and observational studies. Systematic reviews summarize the results from many different clinical trials and observational studies, and meta-analyses pool data collected from multiple smaller studies in addition to including a systematic review.