Non experimental methods

Observations
1. No demand characteristics
  1. Unaware of being observed
2. High ecological validity
  1. Real life situations
3. Observer bias
  1. Interpret with own beliefs etc
4. Unable to replicate
  1. Conditions are not controlled
Case studies
1. Allow investigation where other methods are unethical
2. Relate to one person, not an average of many
3. Cannot be generalised
4. Reliant on full/accurate memories
Questionnaires
1. Large samples, researchers dont have to be present when completed
  1. Obtain lots of data quickly
2. Social desirability affecting answers
  1. Closed questions dont give opportunity for full answers
Interviews
1. Gain quantitative and qualitative
  1. Follow up questions to explore further
2. The sample group may have characteristics not general as they voluteered
  1. Response may be with evaluation aprehension
Correlational analysis
1. Used when experiment method may be unethical
  1. Relationships can lead to predictions
2. Dont show cause and effect

Resource summary

	Created by rachbreen over 11 years ago