In testing the difference between two means, which of these is implied by the null hypothesis (H0)?
a. ?1= ?2
b. ?1 > ?2
c. ?1 < ?2
d. 
a. ?1= ?2
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Write an equation for the following statement. Tell what each variable stands for
Amanda is years older than her brother Jerry.
a. a =
j, Amanda’s age is a and Jerry’s age is j.
b. a =
, Amanda’s age is a and Jerry’s age is j.
c. a = j
, Amanda’s age is a and Jerry’s age is j.
d. a = j +
, Amanda’s age is a and Jerry’s age is j.
e. None of the above
A good candidate for cognitive therapy might be:
A. Someone who loses a loved one and feels very sad. B. Someone who is deeply depressed 18 months after losing a loved one. C. Someone who gets a low test grade and resolves to study harder next time. D. Someone who is rejected by their first choice of colleges feeling very disappointed, and subsequently applies to the college of their second choice. E. All of the above
The predominant worldview in the United States does NOT emphasize
A. Harmony with nature and the importance of reflection before action. B. "Rugged individualism" and emphasis on personal energy and initiative. C. Pragmatism, technological superiority, and efficiency. D. Concern about human welfare. E. The importance of freedom and democracy.
When establishing content validity for a subject matter test, one way to determine that you have it is ______.
a. to rely on face validity b. to seek approval validity c. to ensure that the number of items reflects time spent teaching a concept d. use Cronbach’s Alpha