reliability & validity

Question 1

quantitative methods

Answer 1

• tend to be most reliable.
• no researcher bias
• methods producing numerical data lack
  validity as they reduce behaviour to a
  score

Question 2

lab exp’s

Answer 2

• controlled and easy to replicate
  -task, setting & participant awareness challenge validity
• high control.

Question 3

field exp’s

Answer 3

• task and control challenge validity
• more natural

Question 4

qualitative methods

Answer 4

• less reliable
• case studies and unstructured interviews are difficult to repeat in the same way
• case studies have greater validity as they give a deeper insight into behaviour
• difficult to analyse which reduces validity