Natural And Quasi Experiments

Question 1

What is a natural experiment

Answer 1

The experimenter has not manipulated the IV directly when investigating relationships between DV and IV

Question 2

What is a quasi experiment

Answer 2

An experiment where the iv has not been determined by research instead it naturally exists -iv usually a characteristic of a person ie gender different studies

Question 3

Strengths of a natural experiment

Answer 3

-iv can’t be manipulated for ethical or practical reasons
-high external validity- ecological validity as you are dealing with real life situations

Question 4

Limitations of a natural experiment

Answer 4

-random allocation so confounding variables can’t be controlled
-difficult to represent casual relationships because IV hasn’t been directly manipulated

Question 5

Strengths of quasi experiments

Answer 5

-allows comparisons between types of people
- controlled conditions- replicable

Question 6

Limitations of quasi experiments

Answer 6

-pps may be aware that they are they are being studied - risk if demand characteristics
-cannot randomly allocate pps so risk of confounding variables