types of experiments

Question 1

lab

Answer 1

• controlled environment
  -variables easy to control

Question 2

pros + negatives of lab

Answer 2

+ high internal validity
+ reliable
- demand characteristics

Question 3

field

Answer 3

• natural environment
• IV changed by researcher
• participants not always aware they are in an experiment (uniform)

Question 4

pros + cons of field

Answer 4

+ high ecological validity
- low internal validity (extraneous variables )
- ethical issues (unaware being studied on)

Question 5

natural

Answer 5

• naturally occurring IV
• change in IV was always going to happen (hurricane)

Question 6

pros and cons of natural

Answer 6

+ high ecological validity
- higher chance of confounding participant variables

Question 7

quasi

Answer 7

• IV is based on existing difference between people
• just exists within the participants (gender)

Question 8

pros and cons of quasi

Answer 8

+ high internal validity (can be in a lab)
+ replicable ( control most variables
- higher chance of confounding participant variables ( IV might be gender but they may have higher iQ)