One explanation for why the arrows in the Müller-Lyer illusion don't appear to be the same length is that:
a. our previous experience with arrows tells us they aren't the same
b. they really aren't quite the same—there is a tiny difference in length
c. your experience with the corners of rooms makes you see the arrows differently
d. this famous illusion is still unexplained—even Professors Müller and Lyer couldn't explain it
C
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The existence of absolute free will is undisputed amongst social psychologists
Indicate whether the statement is true or false
If the null hypothesis is true and we run the Mann-Whitney test on our data, the expectation is that
a. the difference scores will all be zero. b. the test will be significant. c. the sum of the ranks in the two groups will be approximately equal (assuming equal sample sizes). d. the number of subjects in each group will be about the same.
The cells in the nervous system that remove waste and help neurons communicate more efficiently are:
a. interneurons b. neurotransmitters c. ion pumps d. glial cells
Which example is NOT a secondary gain of illness for a 10-year-old child?
A) resting on the sofa all day B) taking medicine to get better C) not having to eat anything unpleasant D) being helped by her parents