The principle that the just noticeable difference of any given sense is a constant fraction or proportion of the stimulus being judged is called __________

a) the opponent-process principle.
b) the doctrine of specific nerve energies.
c) the phi phenomenon.
d) Weber's law.

d

Psychology

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Most parents cite the financial burden children bring as the greatest cost of parenting

Indicate whether the statement is true or false.

Psychology

Harry is facing an important test and expects to do poorly. He is so anxious that he cannot concentrate or study effectively, but he figures that since he's going to do badly anyway, he should not bother. This is an indication of Harry's __________

a) self-esteem b) self-concept c) social reality d) social comparison

Psychology