Week 5 Review Questions Flashcards
1
Q
what is the difference between population and sample size
A
Population - is the total group of interest
Sample - the subgroups of people of interest
2
Q
what is probability sampling
A
- theoretically have an equal chance
- population is known
- reduces sampling biases
3
Q
what is non probability sampling
A
- population is unknown
- convenience sampling
- purposive sampling
- snowball sampling
4
Q
what are the different types of probability sampling
A
- random sampling
- stratified random sampling (selection from identified subgroups)
- systematic random sampling (selection from every nth person)
- cluster sampling (randomly select groups)
5
Q
define appropriateness
A
relates to participants
- identifying participants with in depth knowledge and experience of research topic
6
Q
define adequacy
A
relates to data collected
- data sufficient to provide rich description
- until saturation reached
7
Q
what are the principles that underpin qualitative research sampling
A
- appropriateness
2. adequacy
8
Q
what are six approaches to sampling
A
- purposeful
- convenience
- theoretical
- maximum variation
- homogenous
- snowball
