Measuring Senses

Question 1

The study of relationships between the physical energy we can detect & its effects on our psychological experiences

Answer 1

Psychophysics

Question 2

The smallest quantity of physical energy that can be detected

Answer 2

Absolute Threshold

Question 3

What % is the smallest quantity for an absolute Threshold

Answer 3

50%

Question 4

Messages below the absolute Threshold of humans

Answer 4

Subliminal Threshold

Question 5

Predicts how and when we detect the presence of a weak stimulus amid background nose. Assumes there is no single absolute Threshold

Answer 5

Signal detection theory

Question 6

Minimal difference between two stimuli required for detection 50% of the time

Answer 6

Difference threshold

Question 7

For an average person to notice a difference, two stimuli must differ by a constant minimum percentage to be perceived as different

Answer 7

Meber’s Law

Question 8

The reduction or disappearance of sensory responsiveness that occurs when a stimulation is unchanging or repetitious

Answer 8

Sensory adaptation