Sampling AO3

Question 1

Strengths of opportunity sampling

Answer 1

Takes less time to locate ur sample

Question 2

Limitation of opportunity sampling

Answer 2

Inevitably bias because the sample is drawn from a small part of the population

Question 3

Strength of Random sampling

Answer 3

Unbiased

Question 4

Limitations of Random sampling

Answer 4

Need to have a list of all members of the population and then contact all of those selected, which may take some time

Question 5

Strengths of Stratified sampling

Answer 5

likely to be more representative than other methods because there is a proportional and randomly selected representation of subgroups

Question 6

Limitations of Stratified sampling

Answer 6

Very time consuming to identify subgroups, then randomly select ppts and contact them

Question 7

Strengths of systematic sampling

Answer 7

Unbiased

Question 8

Limitations of Systematic sampling

Answer 8

Not truly random unless you select a number using a random method

Question 9

Strengths of volunteer sampling

Answer 9

Gives access to a variety of ppts which may make the sample more representative and less biased

Question 10

Limitations of Volunteer sampling

Answer 10

Sample is biased in other ways because ppts are likely to be more highly motivated and/or with extra time on their hands. They might be more highly motivated to be helpful, or more broke and needing the money offered for participation. Resulting in volunteer bias