Experiments: Ecological validity

Question 1

What are the pros of a lab experiment?

2

Answer 1

• ^control, >confounding/extraneous variables

- Easily replicated as controlled

Question 2

What are the cons of a lab experiment?

2

Answer 2

• Contrived situation, wont behave naturally (>eco val)

- DemandC and researcher bias

Question 3

What are the pros of a field experiment?

2

Answer 3

• Less contrived, real life, ^eco val

- No DemandC/researcher bias (not aware studied)

Question 4

What are the cons of a field experiment?

3

Answer 4

• > Control of extraneous variables)
• Time consuming (expensive)
• Ethical issues if ppt not aware (no consent/debrief)

Question 5

How to deal with low ecological validity

1

Answer 5

• Compare results from studies some ^controlled and some w >control, findings similar = triangulation