1. Research Methods
Sampling Techniques — Quiz
Test your understanding of sampling techniques with 5 practice questions.
Practice Questions
Question 1
A researcher is investigating the impact of a new educational program on student engagement. They have a target population of $400$ students, consisting of $240$ males and $160$ females. If they want to create a stratified sample of $80$ students, how many female students should be included in the sample to maintain proportionality?
Question 2
Which sampling technique is most likely to produce a sample that is unrepresentative of the target population due to the specific characteristics of individuals who choose to participate?
Question 3
What is the primary concern when a sample is not representative of the target population?
Question 4
A researcher wants to investigate the effectiveness of a new stress reduction program. They recruit participants by placing an advertisement in a local community center and asking interested individuals to contact them. What type of sampling technique is this, and what is a potential issue with its use?
Question 5
A psychologist is investigating the effectiveness of a new cognitive behavioral therapy (CBT) for social anxiety. They decide to recruit participants by placing an advertisement in a university counseling center, inviting students who experience social anxiety to participate. Which of the following is the most significant limitation of this sampling technique in terms of generalizability?