Stimuli

Question 1

What is stimulus?

Answer 1

what delivers the manipulation hypothesized to cause some effect

Question 1

How are stimuli created?

Answer 1

• based on theoretical principles
• designed to demonstrate the theory being tested/ employed
• quality of stimuli has direct effect on experiment outcome

Question 2

What is statistical control?

Answer 2

when it’s not possible or desirable to control for something in the stimuli, measure and use it as a covariate

Question 3

What is experimental control?

Answer 3

when stimulus itself is designed to be free confounds

Question 4

What are common mistakes with stimuli?

Answer 4

• not using stimuli that looks realistic
• using one stimulus rather than many
• not including psychological states as mediators in the actual study