How did the authors operationalize their research idea(s)? Name the variables and write the operational definition for these variables

Refer to the assigned paper analysis and answer the following questions.
a) Enumerate three ways by which the authors control the validity and reliability of their research.

b) State the main objective(s) of the research.

c) Identify the main finding(s) of the study.

d) How did the authors operationalize their research idea(s)? Name the variables and write the operational definition for these variables

e) What is the significance or contribution of the study to the research discipline

f) Write the bibliographic citation (i.e. list of references) of the paper in APA format.