Strengths And Weaknesses Of Sampling Methods

Question 1

What is a strength and one weakness of random sampling?

Answer 1

✅=no researcher bias
❌=time consuming

Question 2

What is a strength and weakness of opportunity sampling?

Answer 2

✅=Quicker more cost effective COMPARED to other methods e.g self-select
❌=Researcher bias-may select “helpful” ppts

Question 3

What is a strength and a weakness of self-select sampling?

Answer 3

✅=less ethical issues ppts know what they have got themselves into
❌=sample bias=not representative of general population

Question 4

What is a strength and weakness of systematic sampling?

Answer 4

✅=no researcher bias=predetermined system
❌=not truly unbiased

Question 5

What is a strength and weakness of stratified sampling?

Answer 5

✅=avoids researcher bias=ppts are randomly selected
❌=time consuming COMPARED OPPORTUNITY

Question 6

What is a strength and weakness of quota?

Answer 6

✅=highly representative of target population
❌=time consuming expensive COMPARED OPPORTUNITY

Question 7

What is a strength and weakness of snowball?

Answer 7

✅=researcher can study ppts who are usually hard to access e.g drug addicts,homeless
❌=sample bias