Lecture 5 Sampling Flashcards
What is a population
Larger group that you wish to generalize your study’s findings
What is a sample
Subset, smaller group that represents your population
- people you pull into your study
What is accessible population
People you can ACCESS
- equal proportion
What is inclusion criteria
Who comes in/out of your study
- demographics
- age
- race
- gender
- income
- stage of disease
The more homogenous your criteria is the ____ generalized it is
Less generalized
If your sample is heterogeneity (less homogeneous), it would be ____ generalized
More generalized
What is exclusion criteria
People you don’t want in your study
- people w/ contraindications
- pregnant people
- people receiving another treatment
What are the sampling types
Probability sampling
Non-probability sampling
What are the benefits of probability sampling
Minimizes sampling error
Increases validity
Random
Free of bias
Represent the population
Requires sampling frame
