Sampling Design/Errors/Bias

Front

What is the set of ALL observations made on all objects under study for a given characteristic or variable?

Back

Population

Front

What is a set of observations that constitute PART of the population?

Back

Sample

Front

What is the process of gathering information/data from EACH member of the population?

Back

Census

Front

What source of bias occurs when you ask people who are EASY to ask?

Back

Convenience Sampling

Front

What sampling method is based upon LOCATION where you randomly pick a location and sample all there?

Back

Cluster Sampling

Front

What is the term for a method of sampling where every member of the population has an equal chance of being selected?

Back

Simple Random Sampling (SRS)

Front

What is the term for a sampling method that divides the population into subgroups and then randomly samples from each subgroup?

Back

Stratified Sampling

Front

What is the term for the error that occurs when the sample does not accurately represent the population?

Back

Sampling Error

Front

What is the term for the bias that occurs when individuals selected for the sample cannot be contacted or refuse to participate?

Back

Nonresponse Bias

Front

What is the term for a survey method where participants self-select to be part of the sample?

Back

Voluntary Response Bias