Sampling

Descrição

AS - Level Sociology FlashCards sobre Sampling , criado por SANDRA ZAK em 22-03-2016.
SANDRA ZAK
FlashCards por SANDRA ZAK, atualizado more than 1 year ago
SANDRA ZAK
Criado por SANDRA ZAK mais de 8 anos atrás
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Resumo de Recurso

Questão Responda
Sampling Unit The people you want to conclude in your sample.
Sampling Frame Creating a list of peoples names you want in your sample.
Random Sampling Each person has an equal chance of being chosen
Advantages of Random Sampling - Avoids interviewer boas while selecting the sample - Representative
Disadvantages of Random Sampling - Time-consuming - Not a perfect cross-section of the population - Large sample is needed for true representation
Multistage Sampling Selecting a sample from another sample
Advantages of Multistage Sampling - Cheap - Quick
Disadvantages of Multistage Sampling - Not random - Increase in sampling error
Systematic Sampling It is a form of random sampling. The sample is selected at shorter regular intervals e.g. 7th person, 14, 21, 28...
Advantages of Systematic Sampling - Quick / efficient - Less expensive
Disadvantages of Systematic Sampling - Not truly random
Stratified Sampling Another form of random sampling. Sampling frame is divided into smaller groups called strata based on certain criteria.
Advantages of Stratified Sampling - More control - Requires smaller sample size - Representative
Disadvantages of Stratified Sampling - Time consuming - Not truly random - Not practical
Quota sampling Allow the control of variables without a sampling frame
Advantages of Quota Sampling - Simple - Quick - Cheap
Disadvantages of Quota Sampling - Less likely to produce a representative sample - Potential bias: researchers choose who they interview
Snowball Sampling Getting people to give information about other people in order to then interview them
Advantages of Snowball Sampling - Creates a sample where other methods fail to
Disadvantages of Snowball Sampling - Not Random - Not representative - Relies on personal recommendations
Volunteer Sampling Taking volunteersnto do the research
Advantages of Volunteer Sampling - Allows researchers to question theories - Easy access to a sample - Quick to obtain the sample
Disadvantages of Volunteer Sampling - Can include interviewer bias - Not representative - Not completely random
Which type of sampling is Representative - Random sampling - Multistage sampling - Systematic sampling - Stratified sampling - Quota sampling
Which type of sampling is Not Representative - Snowball Sampling - Volunteer Sampling

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