If the Weber fraction for the perception of difference between weights that you hold in
your hand is 1:
40, then how much weight would you need to add to a 10 lb. weight to make
it just noticeably heavier?
a. 0.10 lb
b. 0.25 lb
c. 0.40 lb
d. 1.0 lb
e. 4.0 lb
b. 0.25 lb
Psychology
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Freud referred to a lingering focus of pleasure-seeking energies at an earlier psychosexual stage as
a. displacement b. projection c. fixation d. repression
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Children typically say their first word at about _____ months and have mastered a large vocabulary and most grammatical constructions by _____ years
A) 6; 2 to 3 B) 9; 3 to 4 C) 12; 4 to 5 D) 18; 5 to 6
Psychology