The reading is Chapter 6:  Frankfort-Nachmias, C., & Leon-Guerrero, A. (2018). Social statistics for a diverse society (8th ed.). Thousand Oaks, CA: SAGE Publications, Inc.
Frankfort-Nachmias and Leon-Guerrero (2018) noted that the precision of a confidence interval can be enhanced by increasing the sample size.

Confidence Intervals

Q1. Write a 275- to 300-word response to the following:

What is the role of sample size in the calculation of confidence intervals?
What factors might determine the size of an ideal sample in your dissertation study?

Reference: Frankfort-Nachmias, C., & Leon-Guerrero, A. (2018). Social statistics for a diverse society (8th ed.). Thousand Oaks, CA: SAGE Publications, Inc.

Estimation Errors
Q2. Write a 275- to 300-word response to the following:
    How can estimation errors threaten the validity of a study? Cite specific examples from your experience to support your response.