Psychophysics #1

Weber's Law "We perceive differences on a algorithmic, not linear scale...not the amount of change but percentage of change that matters" - Hank Green Weber's law states that the level of intensity a stimulus changes, the faster, easier it will be to detect a difference in a change.- Credit If something is very loud, it needs to have more of a difference in a change to be noticed. - Credit

Signal detection theory The context - place and situations - in which a person will be able to detect a weak stimulus. - Credit

Sensory adaptation Your senses adjusting to a stimulus that is consistent. - Credit

Difference threshold  

Intensity Light wave's amount of energy. Higher amplitutde, better intensity, brighter color

Fechner's Law

Method of limits

Method of adjustment

Method of descending limits

Method of ascending limits

Method of constant stimuli

Ideal observer analysis

Fechner scale

Magnitude estimation

Cross-modality matching

Sub-liminal

Point of subjective equality

Just-noticeable difference

Contrast effect

Coriolis effect (perception) / Coriolis force

Kruithof curve

Korte's law

Detection theory (AKA signal detection theory)

Interstimulus interval

Multisensory analysis

Rod and frame test

Roughness (psychophysics)

Stevens's power law

Swept-plane display

Stroop effect

Two-alternative forced choice

Range–frequency theory ???

Absolute threshold of hearing