Sampling Techniques

A part of the entire population size taken by a researcher.

• Sample

• Portion

• Part

• Group

The process of selecting that specific part of the population size.

• RCBD

• CRD

• Sampling

• Grouping

Which of the following does not belong to Simple Random Sampling?

• Table of Random Numbers

• Tabulator

• Lottery Techniques

• Random Number Generator

This type of sampling subdivides the population into subpopulations.

• Stratified

• Systematic

• Simple

• Cluster

Which two of the following are the most biased sampling techniques?

• Random sampling

• Opportunity sampling

• Volunteer sampling

• Stratified sampling

• Systematic sampling

Which of the following sampling techniques is most at risk of researcher bias?

• Stratified sampling

• Volunteer sampling

• Opportunity sampling

• Random sampling

• Systematic sampling

A researcher goes into a local cafe and asks the first 10 people they meet to take part in their study. Which sampling technique did they use?

• Stratified sampling

• Volunteer sampling

• Opportunity sampling

• Random sampling

• Systematic sampling

A researcher puts an advert in a newspaper, asking for people to take part in their study on mental health. Which sampling technique have they used?

• Stratified sampling

• Volunteer sampling

• Opportunity sampling

• Random sampling

• Systematic sampling

A university lecturer selects every 10th student on their Psychology course to take part in their study on perception. Which sampling technique have they used?

• Stratified sampling

• Volunteer sampling

• Opportunity sampling

• Random sampling

• Systematic sampling

A psychologist investigating language development takes all the names of deaf babies from the NHS register and gets a computer to randomly generate 40 names. Which sampling technique have they used?

• Stratified sampling

• Volunteer sampling

• Opportunity sampling

• Random sampling

• Systematic sampling