Study Guide: Test Norming, (Non)Probability Sampling

Question 1

Random Sampling

Answer 1

GOLD STANDARD

• equal, non-zero chance of being selected
• more random and representative (unless sample is small or heterogenous)

Question 2

Systematic Sampling

Answer 2

“Nth” Sampling

• Good with limited population
• Only if there is no real pattern in a list

Question 3

Stratified Sample

Answer 3

Looking for within-group differences

*Create stratas in population and then fill those in using another form of probability samping