PSYC 230 UIUC EXAM 1 EXAMINATION TEST
2026 COMPLETE QUESTIONS AND ANSWERS
VERIFIED
◉ Aristotle and the Five senses. Answer: Aristotle said there were
five senses - smell, sight, touch, taste, and hearing - but science
suggests there are many more than that
◉ Thomas Young. Answer: showed that light, like waves, could be
diffracted, color recptors
◉ Johannes Mueller. Answer: doctrine of specific nerve energies
(distinct senses)
◉ Von Helmholtz. Answer: perception is constructed from both
senses and cognitive processes, unconscious inference, three basic
color receptors
◉ Hering. Answer: colors are perceived through 2 pairs of opposing
colors (four primary colors, not three)
, ◉ Weber's Law. Answer: the just noticeable difference between two
stimuli is based on a proportion of the original stimulus rather than
on a fixed amount of difference
◉ Fechner. Answer: father of psychophysics, the study of the relation
between physical stimuli and the perception they elicit
◉ Fechner's Law. Answer: sensation is a logarithmic function of
physical intensity
◉ Gestalt Psychology. Answer: the whole is greater than the sum of
its parts
◉ Law of Proximity (Gestalt). Answer: elements close to one another
tend to be perceived as a unit
◉ Law of Common Fate (Gestalt). Answer: visual elements that move
in the same speed and/or direction are parts of a single stimulus
◉ law of closure (gestalt). Answer: we tend to see complete figures
even when part of the information is missing
◉ Law of Similarity (Gestalt). Answer: objects that are similar tend
to be grouped together
2026 COMPLETE QUESTIONS AND ANSWERS
VERIFIED
◉ Aristotle and the Five senses. Answer: Aristotle said there were
five senses - smell, sight, touch, taste, and hearing - but science
suggests there are many more than that
◉ Thomas Young. Answer: showed that light, like waves, could be
diffracted, color recptors
◉ Johannes Mueller. Answer: doctrine of specific nerve energies
(distinct senses)
◉ Von Helmholtz. Answer: perception is constructed from both
senses and cognitive processes, unconscious inference, three basic
color receptors
◉ Hering. Answer: colors are perceived through 2 pairs of opposing
colors (four primary colors, not three)
, ◉ Weber's Law. Answer: the just noticeable difference between two
stimuli is based on a proportion of the original stimulus rather than
on a fixed amount of difference
◉ Fechner. Answer: father of psychophysics, the study of the relation
between physical stimuli and the perception they elicit
◉ Fechner's Law. Answer: sensation is a logarithmic function of
physical intensity
◉ Gestalt Psychology. Answer: the whole is greater than the sum of
its parts
◉ Law of Proximity (Gestalt). Answer: elements close to one another
tend to be perceived as a unit
◉ Law of Common Fate (Gestalt). Answer: visual elements that move
in the same speed and/or direction are parts of a single stimulus
◉ law of closure (gestalt). Answer: we tend to see complete figures
even when part of the information is missing
◉ Law of Similarity (Gestalt). Answer: objects that are similar tend
to be grouped together
