Research Methods Flashcards
Name the sampling methods
Simple random Stratified Snowball Volunteer Opportunity Quota Systematic
Explain simple random sampling
Selecting names from a list at complete random
Explain stratified sampling
Splitting the group into smaller groups of gender, age etc and then picking one from each group at random
Explain snowball sampling
Ask one person to participate and then asking them to find others
Explain volunteer sampling
Letting people know or putting up an advert and seeing who comes forward
Explain systematic sampling
Choosing every nth from a list
Explain quota sampling
Opportunity sampling but ensuring you pick a range of people
Explain opportunity sampling
Approaching/asking people to participate
Give 2 pros of simple random
No bias
Quick, simple, inexpensive
Give 2 cons of simple random
Requires a sampling frame
Not representative
Give 2 pros of stratified
No bias
Representative
Give 2 cons of stratified
Requires sampling frame
Time consuming
Give 2 pros of snowball
Access without sampling frame
No bias
Give 2 cons of snowball
Time consuming
Not representative
Give 2 pros of volunteer
Access without sampling frame
No bias
Give 2 cons of volunteer
Not representative
Time consuming
Give 2 pros of systematic
Representative
No bias
Give 2 cons of systematic
Requires a sampling frame
Not easy/simple
Give 2 pros of quota
Access without sampling frame
Representative
Give 2 cons of quota
Time consuming
Biased
Give 2 pros of opportunity
Access without sampling frame
Quick, inexpensive, simple
Give 2 cons of opportunity
Not representative
Biased
Name the primary research methods
Questionnaire Structured interview Unstructured interview Semi-structured interview Focus group Non-participant observation Participant observation
Name the secondary research methods
Official statistics
Personal documents
Mass media