Zusammenfassung der Ressource
Sampling Techniques
- Random sampling
- Best for being representative
- Won't be representative if sample too small
- Opportunity sampling
- More convenient than random sampling
- Pt's come to you
- It is not likely to be representative
- Same types of people may gather in one place
- Volunteer sampling
- More easy and convenient than random sampling
- Pt's come to you
- Not likely to be representative
- Same types of
people/only
people in 1 area
will volunteer/
people who have
the time etc
- Systematic sampling
- convenient if small sample
- if population is large, may be unrepresentative
- Stratified sampling
- likely to be most representative of all
- requires a lot of time and resources