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Chapter 4 · Sampling · Slide 136/274

Determining the Sample Size

The sample size does not depend on the size of the population — it is determined by the qualitative aspects of the study:

4.4 · Sample Size Qualitative aspects rather than population size

Determining the Sample Size


The sample size does not depend on the size of the population — it is determined by the qualitative aspects of the study:

1
Desired precision of the predictions
2
Knowledge about the population parameters
3
Number of variables
4
Type of analysis
5
Importance of the decision
6
Response and drop-out rates
7
Resource constraints
A crowd of people forms the silhouette of a powerful figure — many respondents make for a robust sample.
QUESTIONSTAR · Dr. Paul Marx 136 / 274
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