What was the ratio of a weight to its just noticeable difference weight when they were lifted? What was the ratio of a weight to its just noticeable difference weight when the weights were placed in the subject's hands?

a. ?1:40; 1:30
b. 1:30; 1:40?
c. ?1:40; 1:25
d. ?1:25; 1:50
e. ?None of the choices are correct.


a

Psychology

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