Types of Experiment?

Question 1

What defines an Experiment?

Answer 1

• All experiments involve a change in the IV and the effect on the DV is recorded/ measured

Question 2

What is a Quasi-experiment?

Answer 2

• Iv is based on an existing difference between pps. No random allocation
• Controlled conditions

Question 3

What is a Natural experiment?

Answer 3

• IV changes without experimentor’s intervention, reasearcher records effects on the DV.
• No random allocation
• Provides oppurtunities for research that otherwise may not be undertaken for ethical or practical reasons. High external validity
• Naturally occurring event may only happen very rarely

Question 4

What are Lab Experiments?

Answer 4

Strength: Maximun control
Weakness: Contrived setting

Question 5

What is a Fields experiment?

Answer 5

Strength: More natural setting
Weakness: Less control of extraneous variables