Weaknesses

Question 1

artificial setting

Answer 1

lab = lack of validity

ppts more aware, demand characteristics

Question 2

lacks population validity

Answer 2

only white American males so gender bias

Question 3

lacks ecological validity

Answer 3

based on perceptions of lines so can’t be generalised to real-life complexity

Question 4

lacked validity

Answer 4

• 1950

- anti-communist period in America where people were scared to be different