If you posit that a relationship between two variables will be either positive or negative, what type of test should you use?
a. two tailed
b. ANOVA
c. one tailed
d. Cohen’s d
Ans: c
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Another name for the Premack Principle is
a. grandma’s law. b. proximity control. c. behavior momentum. d. backward chaining. e. punishment.
A distribution of scores may have more than one ______.
a. mean b. median c. mode d. standard deviation
A college claims that 80% of its graduates obtain a job in their field within one month of graduation. A random sample of 45 students one month after graduation shows that 32 are employed in their chosen field. What test of significance would you use to test the claim made by the college?
a. z test for a single mean b. z test for the difference between means c. z- test for a proportion d. any z test can be used in this situation e. None of the above.
Answer the following statement(s) true (T) or false (F)
Dichotomous variables are measured on a scale, such as from 0 to 5.