If the value of r does not differ significantly from zero, as one variable increases, the other variable _____
a. increases c. first increases, then decreases
b. decreases d. does not change systematically
D
A zero correlation means that knowing the value of one variable tells us nothing about the value of the other variable.
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A psychiatrist orders a series of tests including an IQ test, personality inventory (MMPI), neuropsychological test (Halstead-Reitan), and a brain scan (CT scan) for a 10-year-old boy who has recently been acting aggressively. Explain what each test measures and how the psychiatrist would use the results of each test to help diagnose or rule out potential causes of the boy's behavior
What will be an ideal response?
Sammy and Deidre married within six weeks of meeting. Their relationship has commitment and passion, but no intimacy. It is also known as ________ love
a. fatuous b. empty c. companionate d. romantic
Matthew wants to be an educated consumer of new social science discoveries. This involves
A) searching the Internet for amazing facts. B) telling his friends about the remarkable information he heard on a radio talk show. C) comparing new discoveries to what is already known and trying to decide if the differences make sense. D) All of the above.
Which of the following explains the purpose of using a Punnett square?
a. Predicting gene interaction in offspring b. Identifying genetic linkages in twins c. Describing a gene’s range of reaction d. Measuring genetic environmental correlations