Pina is working a puzzle while a PET scan is performed. The PET scan indicates high activity in Pina's frontal lobe. Which conclusion can we draw from the PET scan results?
a. ?Pina has worked this puzzle many times before.
b. ?Pina is bored by the task of building the puzzle.
c. ?Pina has never worked this puzzle before and she finds the task difficult.
d. ?Pina is an expert puzzle builder and is finding this puzzle easy to complete.
ANSWER:
c
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Harlow's monkeys raised without mothers
a. preferred the wire "mother" that gave milk b. didn't cling to the wire mother c. used the "cloth mother" as an attachment object d. showed equal attachment to the "milk" and "cloth" wire "mothers"
Data analysis indicated differences between the experimental and control groups at a probability value of .05 with d = .15. These results indicate
a) statistically significant differences, but very little effect size b) no statistical differences and very little effect size. c) statistically significant differences and strong effect size. d) no statistical differences, but very strong effect size.