Kelly was hired as a statistical consultant to determine whether chocolate bars claiming to be “nut free” were indeed free of nuts. Allergics Anonymous was concerned that these chocolate bars may have trace amounts of nuts that may be harmful to people with allergies to nuts. The Chocolate Association, on the other hand, hoped Kelly would find that there were no nuts in their chocolate bars so that sales would not decrease. In this example, the null hypothesis would be that ______.
A. the groups are the same
B. the groups are different
C. the chocolate is okay (nut free)
D. the chocolate has nuts
C. the chocolate is okay (nut free)
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Answer the following statement(s) true (T) or false (F)
1. Third-party payments are reimbursements for the cost of therapy made by close relatives and care givers of clients. 2. Research knowledge is now assessed on the professional licensing examinations for counselors. 3. Both Medicare and Medicaid, provide payment for approved psychological counseling services provided to clients. 4. Because school counselors are certified by individual states they are not expected to possess skills and knowledge about research and measurement.
Individuals with bipolar disorders often have difficulty with emotional processing. Which of the following best describes the nature of this difficulty?
a. difficulty distinguishing happy from surprised and scared faces b. no preference for faces, even happy faces, over objects c. interpreting neutral faces as sad, angry, or hostile but only when in a depressive state d. interpreting neutral faces as sad, angry, or hostile even when not experiencing mood episodes
The square root of a correlation coefficient gives the coefficient of determination, otherwise known as the shared variance
a. True b. False
The tricyclic antidepressants have the least amount of side effects
Indicate whether the statement is true or false