Mammoth Memory

Summary of key words

 
Population
 =
All
 
 
Census
 =
A survey of the whole population
 
 
Sampling
 =
Representation 
 
Bias
 =
A systematic error in a survey that can influence and skew the outcome of the data towards a certain direction
 
 
Random sampling
 =
Equal chance examples include simple random sampling and stratified sampling
 
Stratified sampling
 =
Sample every category
 
 
Cluster sampling
 =
Everything in a couple of categories (also known as one-stage)
 
 
Multi-stage sampling
 =
Sampled samples (also known as two-stage)
 
 
Leading question 
 =
A question that guides the respondent to answer in a particular way
 
 
Opportunity sampling 
 =
Immediately available
 
 
Voluntary sampling
 =
Volunteers give their views 
 
 
Systematic sampling 
 =
Select every Kth subject
 
 
 
 
 
 
 
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