Which of the following is (are) not correct interpretations of Pearson r?
a. ratio of the variability of Y to the variability of X
b. measure of extent to which paired scores occupy the same or opposite positions within their own distributions
c. difference between the variability of Y and the variability of X
d. square root of the proportion of the total variability of Y accounted for by X
e. a and c
E
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Why is color vision deficiency more common in men than in women?
a. It depends on a dominant gene on the Y chromosome. b. It depends on a recessive gene on the Y chromosome. c. It depends on a dominant gene on the X chromosome. d. It depends on a recessive gene on the X chromosome.
When Skyler was first training his dog, Smooches, to heel he would give Smooches a treat when she stayed close during walks. Now Smooches stays right by Skyler's side, even when she is not on her leash. In this case,
a. the dog treats were negative reinforcers for staying close. b. the staying close was a positive reinforcer for receiving dog treats. c. the staying close was a negative reinforcer for receiving dog treats. d. the dog treats were positive reinforcers for staying close.
Dr. Lampert wants to know how college students tend to flirt with each other, so he sits in the college cafeteria and pretends to be doing a crossword puzzle. In fact, he's listening to the conversations of nearby students and is taking notes when he observes flirtations taking place. Dr. Lampert has chosen a __________ research method.
A. case study B. naturalistic observation C. controlled experiment D. Survey
The Food and Drug Administration (FDA) has recently approved the drug Abilify as a treatment for schizophrenia. This means that
a. Abilify may be used for any symptoms that are related to schizophrenia b. physicians, in most instances, may prescribe Abilify for any medical condition that they believe is appropriate c. only adults may be prescribed Abilify d. physicians will need to confirm with the FDA each time they want to prescribe the medication.