Model Perspective
Jan 10, 2024 · Fundamentals
How Many Survey Responses Do You Really Need? A Practical Guide to Calculating Sample Size
Determining the right sample size is crucial for reliable survey results, and this article explains the key factors—population size, confidence level, margin of error, response rate, and effect size—while walking through a concrete example of calculating the needed respondents for a university library service study.
confidence intervalmargin of errorresearch design
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