There are several methods used in determining sample size, what process do you imagine you would feel the most assured using? Why do you favor this method? ?In your research plea

There are several methods used in determining sample size, what process do you imagine you would feel the most assured using? Why do you favor this method?  In your research please describe the methods used in determining sample size and answer the questions 1.what process do you imagine you would feel the most assured using? 2.Why do you favor this method? 

Your discussion should be at least 250 words in length. Use references (up-to date reference) and citations were necessary. 

Required unit resources:

Chapters, 1 (1.1), 3 (3.1, 3.2, 3.3), 5, & 7 by Ray Merrill

I've attached a book.

 Be very detailed in answering the questions and avoid plagiarism.