Research Process - Sampling Techniques

Question 1

What is a target population?

Answer 1

Entire group of individuals researchers are interested in studying about

Question 2

What is a sample?

Answer 2

A smaller group of individuals taken from target population that researchers will actually conduct study on

Question 3

Why do researchers sample?

Answer 3

• time, money, and workload
• give results with known accuracy that can be calculated

Question 4

What is a sampling frame?

Answer 4

List or actual representation of all individuals or items in a population that can be sampled

Question 5

Can you sample the entire population?

Answer 5

Yes, in some cases

Question 6

When might you sample an entire population?

Answer 6

• population is small
• you have extensive resources
• when you don’t expect a very high response

Question 7

Whats a study population?

Answer 7

Actual group of individuals which data is collected for the study

Question 8

Example of researcher wanting to study eating habits of teens in the states?

Answer 8

Target population = teens in the states
Sampling frame = list of all high schools in the states
Study population = teens in specific high school in a specific city
Sample = 200 teens randomly selected from Richards high school

Question 9

What are the three factors that influence sample representativeness?

Answer 9

• sample procedure
• sample size
• participation (response)