Appendix C/ Week 2

Question 1

Responding yes if there is even the slightest possibility of a stimulus

Answer 1

Liberal responder

Question 2

Waiting to be totally sure that the stimulus is present before reporting “yes”. only reports yes if definitely sure.

Answer 2

Conservative responder

Question 3

The criteria under which one response to a given stimulus

Answer 3

Response criterion

Question 4

Used to take differing response criteria into account. 1) only one stimulus intensity is presented. 2) on some of the trials, no stimulus is presented.

Answer 4

Signal detection approach

Question 5

Saying yes when a stimulus is present

Answer 5

Hit

Question 6

Saying no when a stimulus is present

Answer 6

Miss

Question 7

Saying yes when there is no stimulus

Answer 7

False alarm

Question 8

Saying no when there is no stimulus

Answer 8

Correct rejection

Question 9

Manipulating a persons motivation within an experiment (signal detection approach)

Answer 9

Payoffs

Question 10

Shows that factors other than sensitivity to the stimulus determine a persons response. A person sensitivity is indicated by the shape of this, so, if experiments on two people, result and identical shapes, there’s sensitivities must be equal.

Answer 10

Receiver operating characteristic (ROC) curve

Question 11

The stimulus presented to the person

Answer 11

Signal

Question 12

All other stimuli in the environment, can sometimes be mistaken for the signal.

Answer 12

Noise

Question 13

Depends on both separation and spread. Separation is the closeness of the hills, or the overlap spread is the thickness of the hills and the overlap.

Answer 13

Discriminability index

Question 14

Sensation, perception, action

Answer 14

The perceptual process