Describe the project population size and project sample size based on the selected design. Compare the convenience sample to other sampling methods. Justify the project sample size by using the sample size calculator. Discuss how your sample size may affect the validity of your project.

Project: In African American males recovering from radical prostatectomy surgery, does does nursing early implementation of Kegel exercises improve the incidence of urinary incontinence as compared to current practice over 4 weeks period?