It is important to pay attention to the sign of the difference score when interpreting your results.
Answer the following statement true (T) or false (F)
True
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A group of students was tested after a week of final exams. They were found to have a lowered antibody count, indicating a suppressed immune system. Which of the following is correct?
a) Their antibody count returned to normal in 48 hours. b) Within 48 hours they were all sick. c) They still had a low antibody count 2 weeks later. d) Two weeks later, they still felt very stressed.
A researcher wants to examine whether teachers show any bias in calling on male students over female students. The best method for answering this question would be
a. experimental. b. correlational. c. observational. d. archival analysis.
Which personality types make more money?
What will be an ideal response?
In their experiments on the brain and perceptual features, Blakemore, Cooper, Grobstein, and Chow found that
a. the kittens raised in the vertically-striped rooms ran into chair legs in the normal environment. b. the kittens raised in the horizontally-striped rooms had difficulty jumping onto a chair in the normal environment. c. there was an actual decrease in brain cells tuned to the missing features. d. all of these findings were true.