Sampling Flashcards
What is a sample?
The group of people you’re studying
What is sampling?
How you recruit participants for a study
What is Random Sampling?
When the target population has an equal chance of being chosen
What are the strengths and weaknesses of Random Sampling?
Strengths: Unbiased
Weaknesses: Time consuming,
Some people might not want to participate
What is Target Population?
The group of people you’re investigating
What is Snowball Sampling?
When participants recruit other participants for a study
What are the strengths and weaknesses of Snowball Sampling?
Strengths: Can find people with rare characteristics
Weaknesses: Time consuming,
Biased,
Have to use another method of sampling to find the first participant
What is Opportunity Sampling?
Selecting people who are readily available at the time
What are the strengths and weaknesses of Opportunity Sampling?
Strengths: Quick,
Cheap,
Convenient
Weaknesses: Usually biased,
Unrepresentative
What is Self-selecting (Volunteer) Sampling?
When participants volunteer themselves to participate
What are the strengths and weaknesses of Self-selecting (Volunteer) Sampling?
Strengths: Participants are willing (less likely to drop out)
Weaknesses: Time consuming,
May have biased sample
What is Ethnocentrism?
When a sample is taken from one culture/area
What are the strengths and weaknesses of Ethnocentrism?
Strengths: Easier to recruit participants
Weaknesses: Limited to generalising data
What is the opposite of Ethnocentrism?
Culturally representative
