Sampling and Sampling Techniques

True or False. Samples are selected as representatives of the population for a research study.

• True

• False

If there are a total of 1500 foodservice employees in Naga City and you want to survey a sample, how many would be your participants?

Which of the following sampling techniques cannot be used for Qualitative Research Designs?

• Convenience

• Stratified

• Purposive

• Snowball

What sampling technique is used if Andy uses a drawing of numbers where each number is assigned to a member of a population?

• Convenience

• Simple

• Stratified

• Systematic

The school librarian wants to determine how many students use the library on a regular basis.  What type of sampling method would she use if she chose to select every 3rd student who enters the library on Tuesday.

• Purposive

• Convenience

• Simple

• Systematic

Suppose a sample size of 316 is obtained from a population size of 1500. If Nico will use systematic random sampling, at what interval should Nico select the members of the sample?

• 3rd

• 4th

• 5th

• 6th

Answer explanation

Always round off your final answer.

Identify the sampling design: DepEd wants to survey its employees.  They picked 10 regions to survey from. Then, 4 division offices were selected and surveyed employees.

• Cluster

• Stratified

• Snowball

• Purposive

identify the sampling technique: A teacher wants to know the average time spent doing homework by the students in her classes. All in all, there are 50 students. The teacher decided to interview 10 students.

• Convenience

• Quota

• Purposive

• Simple

What sampling technique will be used if a researcher wants to know the experience of the board exam takers in the time of pandemic?

• Convenience

• Purposive

• Quota

• Snowball

Answer explanation

There is a specific characteristic identified for the participants: board exam takers in the time of pandemic.

Shakey's wants to know the dining experience of their customers in the time of the pandemic. They surveyed everyone dining. What sampling technique is used?

• Convenience

• Purposive

• Quota

• Simple

Answer explanation

The best answer is convenience. It is easy for the researcher to obtain data by surveying everyone present in the restaurant.