Non-probability Sampling - Convenieince

Question 1

is perhaps the easiest method of sampling, because participants are selected based on availability and willingness to take part.

Answer 1

Convenience sampling

Question 2

Useful results can be obtained, but the results are prone to significant bias, because those who volunteer to take part may be different from those who choose not to (volunteer bias), and the sample may not be representative of other characteristics, such as age or sex. Note: volunteer bias is a risk of all non-probability sampling methods.

Answer 2

Convenience sampling

Question 3

A researcher wants to know how many women in a community use smartphone. He decides to go to a popular mall for middle-income mothers and record their responses to collect necessary data. By doing this, he leaves out every woman who wasn’t at the mall during the data collection process.

Answer 3

Convenience sampling