Frankfort-Nachmias and Leon-Guerrero (2018)

  Frankfort-Nachmias and Leon-Guerrero (2018) noted that the precision of a confidence interval can be enhanced by increasing the sample size. Write a 250- to 300-word response to the following: • How does sample size affect the validity of a study? • What factors determine the size of an ideal sample? • How is the sample size calculated