Probability Sampling
- Random selection
- Probability of selection is known
- No systematic bias
- Used for generality
Types of Probability Sampling (4)
- Simple Random Sampling
- Systematic Sampling
- Stratified Random Sampling
- Cluster Sampling
Non-Probability Sampling
- Not Random Selection
- Not intended to generalize
- Imposible to develop sampling frame
Types of Non Probability Sampling (4)
- Accidental Sampling
- Purposive Sampling
- Snowball Sampling
- Quota Sampling
Which 2 sampling methods require to know something about characteristics of the population?
Stratified and Quota
A list of all elements or other unites containing the elements in a population
Sampling Frame
The entire group of research subjects that you would like to study about
Population
A subset of the population that you would conduct study with
Sampling
The difference between the characteristics of a sample and the characteristics of a population from which it was drawn from
Sampling Error
Sub-groups within the population are identified as sharing some characteristics and elements are randomly selected from with those sub-groups
Stratified Random Sampling
Elements are selected by use of a random number table
Simple Random Sampling
A procedure that uses accidental or convenience selection techniques
Availability Sample
One person recommends another
Snowball Sampling
Other names of Availability Sampling
Accidental Sampling
Convenience Sampling
