Study Preparations AO1

Question 1

What are pilot studies?

Answer 1

• a small scale run of the actual investigation
• requires a handful of participants
• can be used for questionnaires in order to test out questions
• can be used for obsevations to test out coding systems

Question 2

Describe the single-blind procedure.

Answer 2

• it is when the details of the experiment (aims, types of conditions etc.) is kept from participant
• only researcher knows

Question 3

Describe the double-blind procedure.

Answer 3

• researcher and partiticants are both unaware of the aims and conditons of the experiment
• this is done using a their party who conducts experiment
• in drug trials the conditions are unknown as placebo drugs are used

Question 4

why are single-blind procedures used?

Answer 4

to prevent demand characteristics

Question 5

Why are double-blind procedures used?

Answer 5

to prevent investigator bias