Cui bono. Cui bono (/kwiË ËboÊnoÊ/), literally for whose benefit?, is a Latin phrase which is still in use as a key forensic question in legal and police investigation: finding out who has a motive for a crime.
The Purpose Statement. The purpose statement serves as a specific communication for what the study is to explore and/or accomplish. Purpose statements are made for both quantitative and qualitative research studies. One example of each are as follows. Quantitative Example(s):
A cross-sectional study design is used when. 1  The purpose of the study is descriptive, often in the form of a survey.  The purpose of the study is to find the prevalence of the outcome of interest, for the population or subgroups within the population at a given timepoint.