Use the University of Phoenix Library to locate an empirical research study in t

Use the University of Phoenix Library to locate an empirical research study in the field of psychology.
Respond to the following in a minimum of 175 words:
1. Briefly describe the psychology research study you located in your own words and identify the independent variable in the study.
2. What aspects of the study increase the internal and external validity?
3. What sources of bias did you see, if any?
2 References required: The source, and the textbook. 
Textbook:
McBride,
D. M. (2020). The process of research and
statistical analysis in psychology. Sage.  
This week’s readings:
Video: Differentiating Qualitative and Quantitative Research
The Process of Research and Statistical Analysis in Psychology, Ch. 7 Read Ch. 7, “Independent Variables and Validity in Research.”
The Process of Research and Statistical Analysis in Psychology, Ch. 8 Read Ch. 8, “One-Factor Experiments.”