You have been asked to design a study to explore the effect of de-escalation training on police use of force incidents. This study must include both quantitative and qualitative elements.

You have been asked to design a study to explore the effect of de-escalation training on police
use of force incidents. This study must include both quantitative and qualitative elements. 
In your study design, you should clearly state:
a) An abbreviated literature review (include at least 5 sources)
b) A statement of purpose for the study
c) The research hypothesis (or hypotheses)
d) Discuss your research design and why it is appropriate for your study.
e) Which components of the design are quantitative, and which are qualitative.
f) The dependent and independent variables and how they will be conceptualized and
operationalized.g) The unit of analysis, and sampling method, (including who or what, when, where
and how).
h) For the quantitative component, describe the statistical technique(s) that you will
utilize in the analysis, and an explanation of why the technique(s) was/were chosen
and how the technique(s) is the most appropriate approach.
i) The strengths and weaknesses of the research design you have chosen: Discuss at
least three strengths and three weaknesses of the research design