A population of scores has a mean of µ = 26, a median of 23, and a mode of 22 . What is the most likely shape for the population distribution?
a. Symmetrical
b. Positively skewed
c. Negatively skewed
d. Cannot be determined from the information given
B
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Randy is a great football player who would rather be named the most valuable player of the league than have his team win a particular football game. Randy is likely from a(n) ____ culture.?
a. ?collectivist b. ?altruistic c. ?collaborative d. ?individualist
Which statement about specific emotions and physiological reactivity is TRUE?
A) All emotions show the same basic pattern of physiological reactivity. B) Anger produces the largest decrease in finger temperature. C) Fear and disgust produce a higher galvanic skin response (sweating) than do sadness or anger. D) Anger, fear, and sadness produce a lower heart rate than does disgust.
Which statement is TRUE regarding token economies?
a. ?They place the behavior on a variable interval schedule of reinforcement. b. ?They can lead to behavior that is highly resistant to extinction. c. ?They are effective in developing a number of behaviors in a group of people. d. ?They allow for immediate reinforcement through a primary reinforcer.
The ______ and ______ are good measures of central tendency for ordinal data.
A. mean; median B. mean; mode C. median; mode D. mean; outlier