Opioid levels are thought to be high in people with bulimia nervosa
Indicate whether the statement is true or false
False
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Mike's research has shown a positive correlation between the number of books in families' homes and the grade-point averages of the children in those families. Mike's results indicate
A. that the presence of many books in a home causes children to be more studious. B. nothing, because the study did not take library borrowing into account. C. parents who buy many books encourage their children to study. D. the children of families with a large number of books at home tend to do well in school.
A researcher who is trying to develop a test of musical aptitude is overheard to say, "I want to make sure that the test that I am developing gives similar results time after time." In the language of psychological measurement,
this researcher is determined to develop a test that has high a. validity. b. reliability. c. applicability. d. standardization.
You are certain that your history teacher is going to ask you for the date of the Battle of Hastings, so you keep repeating "1066" in your head as you walk into the classroom. This rote repetition is an example of elaborative rehearsal
a. true b. false
If a curve is symmetrical, _________
a. most of the scores fall at the lower values of the X axis b. most of the scores fall at the higher values of the X axis c. if folded in half, the two sides of the curve coincide d. most of the scores fall at the higher values of the Y axis