A regression coefficient indicates
A) whether the correlation is significant or not.
B) how many units of change in the predicted value of the criterion variable for each unit of change in the predictor variable.
C) the accuracy of predictions based on the reduction in squared error as a proportion of the total squared error.
D) the fixed amount that should be added when making a prediction for any particular person.
B
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Tanya experiences pulsating, intense pain in her head. Prior to these attacks, her vision is distorted or she feels numbness in her fingers. The headaches are caused by excessive dilation of blood vessels. Tanya can be diagnosed with ____
a. migraine headache b. cluster headache c. common tension headache d. stabbing headache
Autocratic leaders usually are task oriented and tend to provide close supervision.
Answer the following statement true (T) or false (F)
Eduoard spreads a rumor about Nicholas after Nicholas is cast as the lead in the school play, the role Eduoard desired. This is an example of __________ aggression
A) physical B) proactive C) reactive D) verbal
Sarah is scheduled for a hysterectomy. A health psychologist visits her in the hospital and finds that she is worried about the pain involved in the surgery. The psychologist clearly explains the procedure to Sarah and answers her questions to ease her worries. He also teaches her a relaxation technique that she can use before the surgery to control her anxiety. The psychologist explains the drug-delivery method to her so she understands when and how much of the pain-relief drug she will receive. In this case, the health psychologist is conducting a(n) ________ intervention.
A. expressive-writing B. tangible assistance C. control-enhancing D. informational support