research is of two types,
1-BASIC RESEARCH = it is the new work in science not done by any one before.
2-APPLIED RESEARCH = type of research already existed in practise ,purpose is just to re vice it.
Quasi-Experimental Designs fair better than pre-experimental studies in that they employ a means to compare groups, but lacks the key ingredient --- random assignment.
This is research by governmental agencies such as NIH or NIMH (and many others). There is also research funded by the federal government done at various universities and corporations throughout the...