In research we must understand sample sizes, understanding different samples and measurement, and how to select your sample size without allowing bias.

Objectives:

Develop sampling design and techniques
Understand Probability Sampling
Understand the meaning of Statistics
Understand the Measure of Central Tendency
Understand the Measure of Relationship
Instructions:

You wish to conduct a survey on health education in your school district. You have a list of 6125 households, and this is to be your sampling frame. The sample size is limited to 600.

Step One: Answer the following questions with depth and support for your answers.

What is the sampling fraction?
How would you go about selecting the sample?
If you were encouraged to do a systematic sampling, how would it be conducted?
Why might it be better than a simple random sampling?
How would you avoid bias sampling?
How would combining a telephonic survey with a web-based approach possibly enhance the rate of participation?
What other multi-modalities could be used to increase response rates?
What are some of the limitations of telephone surveys, web-based surveys, and face-to-face surveys?