By definition, one can never obtain a statistic unless
a. the entire population has been measured
b. a random sample has been measured
c. a quota sample has been measured
d. none of these, since a statistic refers to a measure of any type of sample
d
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Aggressing against a substitute target because aggressive acts against the source of the frustration are inhibited by fear or lack of access is called
a. catharsis. b. displacement. c. rumination. d. desensitization.
A prompt should be delivered ____________ the discriminative stimulus and ____________ the behavior
a. after ; before b. before; after c. before; before d. after; after
Which of the following statements about the types of trauma associated with the development of posttraumatic stress disorder (PTSD) is true?
a. Natural disasters are the most likely cause of PTSD, but PTSD also occurs as a result of combat, automobile accidents, and physical assaults. b. Combat is virtually guaranteed to result in PTSD, which is why the disorder used to be known as "shell-shock.". c. Combat is a common trigger of PTSD, but PTSD also occurs as a result of natural disasters, automobile accidents, and physical assaults. d. Combat rarely results in PTSD, but automobile accidents produce PTSD in a majority of survivors.
Among the three natural disasters described in Focus On 4.2, the largest numbers of death occurred in:
a. New Orleans and the Gulf Coast after Hurricane Katrina in August 2005 b. Haiti after the earthquake in January 2010 c. Japan after the earthquake and tsunami in March 2011 d. Haiti in connection with the cholera epidemic from October 2010 throughJanuary 2011 e. none of these