Experimental methods
- Created by: Bethany
- Created on: 19-08-19 18:34
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- Experimental method
- Laboratory experiments
- establish a cause and effect relationship between an IV and DV
- conducted in a controlled environment using standardised procedures
- high degree of control over variables
- easy to replicate
- high demand characteristics
- low ecological validity
- Field experiments
- establish a cause and effect relationship between an IV and DV
- conducted in real-life environments or situations
- high ecological validity
- low demand characteristics
- low degree of control over variables
- difficult to replicate
- Natural experiments
- establish a cause and effect relationship between an IV and DV
- IV varies naturally, they take advantage of natural events
- high ecological validity
- provides opportunities for research that may not otherwise take place
- random allocation to conditions is not possible
- difficult to replicate
- Quasi experiments
- establish a cause and effect relationship between an IV and DV
- IV does not vary because the conditions already exist
- high ecological validity
- provides opportunities for research that may not otherwise take place
- random allocation to conditions is not possible
- difficult to replicate
- Laboratory experiments
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