Participants and sampling

Question 1

Participants

Answer 1

People who take part of a psychological study

Question 2

Representative sample

Answer 2

A sample that represents a population

Question 3

Sampling methods

Answer 3

Opportunity sampling, self selected sample, snowball sampling, snowball sampling, random sampling, stratified sampling

Question 4

Opportunity sampling

Answer 4

A sample of whoever happens to be there and agrees to participate

Question 5

Strengths of opportunity sampling

Answer 5

Easy to find participants

Question 6

Weaknesses of opportunity sampling

Answer 6

Leads to biased results; problematic to generalise

Question 7

Self selected sampling

Answer 7

Made up of volunteers

Question 8

Strengths of self selected sampling

Answer 8

Relatively easy to obtain; guaranteed that the sample is highly motivated

Question 9

Weaknesses of self selected sampling

Answer 9

Difficult to make generalisations

Question 10

Snowball sampling

Answer 10

Participants recruit other participants

Question 11

Strengths of snowball sampling

Answer 11

Can access research participants

Question 12

Weaknesses of snowball sampling

Answer 12

Participant variability

Question 13

Random sampling

Answer 13

Every member of the target population has an equal change of getting chosen

Question 14

Strengths of random sampling

Answer 14

Most desirable - if the sample is large enough, it has all the characteristics of the population and easier to generalise

Question 15

Weaknesses of random sampling

Answer 15

Can overrepresent a population

Question 16

Stratified sampling

Answer 16

Drawing random samples from each subpopulation within the target group; sample represents the same demographics

Question 17

Strengths of stratified sampling

Answer 17

More accurate reflection of actual distribution of the population