Jim and Jamal are lifting weights together before football practice. Jim is doing a bench press with 240 pounds, and just to be funny Jamal slides an extra 5 pounds on the bar when Jim is not looking. Jim bench presses the new weight,

245 pounds, without even noticing that the weight had increased. If Jamal had added 50 pounds, however, Jim would probably have noticed .Which law explains why a small change to a large stimulus will be harder to detect than a small change to a small stimulus?
a. Frank Colaverta
b. Ernst Weber
c. Hermann von Helmholtz
d. Richard von Kraft Ebbing


Answer: B

Psychology

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Using MRI techniques, researchers have observed that, when they are exposed to pictures of strangers, shy people exhibit

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Psychology