Each time Charles, who has a lisp, says "Mithithippi" or the like, his wife, Evelyn, yells, "Idiot!" However, there is no evidence that Evelyn's efforts to reduce the frequency of such mispronunciations have been effective. We can therefore conclude that ______
a. Charles's behavior is due to a neurological problem
b. Charles's behavior has not been punished
c. Evelyn's efforts to punish Charles's behavior have actually reinforced it
d. Charles is lisping deliberately to annoy Evelyn
B
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Why is it optimal for a researcher to ensure that only one variable changes throughout an experiment?
a. Because more than one variable creates a statistical nightmare that is exceedingly difficult to interpret. b. Because multiple variables will require more research participants, and thus more funding. c. Because more than one variable changing can influence our results and lead to incorrect conclusions. d. Because the definition of a true experiment is that only one variable should change at a time; otherwise, it is not an experiment.
According to the chapter Behavioral Treatment to Change Vocalization Patterns in a Person with
Schizophrenia, schizophrenia is caused by: (a) environmental toxins (b) poor parenting (c) abnormal proteins consumed in some meats (d) scientists don't know the causes of schizophrenia