Types Of Experiment

Question 1

Lab experiment definition

Answer 1

An experiment that takes place in a controlled environment where the experimenter manipulates the IV and measures the DV

Question 2

Laboratory experiment pros and cons

Answer 2

• high control = validity
• results are reliable and you can repeat them
• lacks ecological validity
• Ps may suffer demand characteristics

Question 3

Field experiment definition

Answer 3

An experiment that takes place in a natural setting where the experimenter manipulates the IV and measures the DV

Question 4

Field experiment pros and cons

Answer 4

• High ecological validity
• no demand characteristics
• may be extraneous variables = lacks validity
• lack of informed consent

Question 5

Natural experiment definition

Answer 5

An experiment where the change in the IV already exists regather than being manipulated by the experimenter

Question 6

Natural experiment pros and cons

Answer 6

• natural setting means high ecological validity
• no demand characteristics
• can’t randomly allocate participants to conditions
• deception and lack of informed consent

Question 7

Quasi experiment definition

Answer 7

An experiment often conducted in controlled conditions where the IV simply exists

Question 8

Quasi experiment pros and cons

Answer 8

• provides high levels of evidence without randomization
• lots of designs you can choose from
• can’t rule out other variables
• choosing comparison group might be difficult