MR - Data Sampling [LESSON]

Data Sampling

When designing a survey, marketers must consider several factors:

Designing a Survey Population - the entire target group of people under study Sample - part of the target population that represents it accurately. Error - Determined by the sample size with respect to the population the greater the sample size the lower the margin of error. Bias - accuracies introduced into the results due to errors in measurement, coverage, and non-responsive. Reliability: determines how consistently an instrument yields similar results under varying conditions if a measure has high reliability, it yields consistent results, Questions should be clear and easy to understand for a survey to be reliable.

 

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