sampling Methods
- Created by: patrick99
- Created on: 24-04-14 23:28
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- sampling Methods
- random sampling
- oppertunity sample
- easy to obtain(people available att)
- unrep of TP
- +representative sample
- time consuming(large taget population)
- Self-selected
- sampling Methods
- random sampling
- oppertunity sample
- easy to obtain(people available att)
- unrep of TP
- low attr
- sampling Methods
- unrep
- Self-selected
- low attr
- Self-selected
- experiments
- lab
- +establish causual relationship
- LEV
- Quasi
- allows research when Iv= unethical
- RMD
- prac,fatiq,aim-validity
- +counterbalancing
- ID
- participant variables
- +lack oder ef,prac,
- MPD
- -time,diff 2 find mtach
- no order effect
- lab
- Field experiment
- +HEV
- less control
- -less control over variable
- Quasi
- allows research when Iv= unethical
- Quasi
- Measures of central tendancies
- mean
- affected by outlier- inflate/deflate average
- +easy to calcu
- median
- not all scores used
- not affected by outliers
- mode
- +shows common /important scors
- not usefulif several modal values
- Quantitative data
- analysis/comparison
- may not explain diff
- mean
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