Answer:
e) one group pretest - posttest.
Step-by-step explanation:
One group pretest-posttest -
It is the research type which is used mostly by the behavioral researchers in order to find the effect of the treatment of any given sample , is known as the one group pretest - posttest .
The feature involved in this method is -
1. using single group of participants , i.e. , all participants are provided with the same condition and treatment .
2. linear ordering i.e. , the assessments of then dependent variable before and after the treatment .
Hence , from the question , the correct answer according to the question information is e) one group pretest - posttest.