Answer:
Descriptive study
Explanation:
Any research study can be classified into two groups
a) Descriptive and
b) Analytical study
A Descriptive study is also referred as non-analytic study as it involves understanding of something happening in a population as a whole since time frame being referred by doing through literature review, studying case reports, conducting surveys, doing comparisons and referring previous researches. It helps to understand prevalence, incidence, or experience of a group
While analytic study is based on establishing relation between two factors through experiment
