What is a Duchenne smile?
a. a fake smile
b. a suppressed grimace
c. a smile in response to another person smiling
d. a type of smile resulting from the facial-feedback effect e. a genuine smile
e
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In the curve of forgetting developed by Ebbinghaus, the greatest amount of forgetting occurs _____________
a) within the first hour after learning new material b) within the first day after learning new material c) near the end of the retrieval period d) near the middle of the retrieval period
The visible spectrum refers to the
a. portion of the whole spectrum of light that is visible to the human eye. b. effect of intensity on how we see dark to grey to white. c. effect of the sound density on the perceptions of those with synesthesia. d. well-known fact that colors are less visible to some men's eyes. e. radiation waves that fall between 20 and 20,000 hz.