Labatory and field experiment

Question 1

What is a laboratory experiment

Answer 1

An experiment carried out in a controlled setting

Question 2

What is a field experiment

Answer 2

A controlled experiment done outside the laboratory

Question 3

Strengths of a laboratory experiment

Answer 3

Has high levels of controlled extraneous variables so has a high internal validity

Question 4

weakness of a laboratory experiment

Answer 4

Low ecological validity as the environment that the ppt are in is more artificial and not reflective of a real life situation
High chance of demand characteristics

Question 5

Weaknesses of a field experiment

Answer 5

Low internal validity as it is more difficult to control extraneous variables
More ethical issues as the ppts do not know that they are taking part in a field experiment

Question 6

Strengths of a field experiment

Answer 6

High external validity because the environment the ppts are in is closer to a real life situation
Low chance of demand characteristics as ppts are usually unaware