A type of research that involves using naturally-occurring changes as a sort of
independent variable is called a
(a) correlational study
(b) quasi-experiment
(c) computer simulation
(d) true experiment
B
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"Whenever I am trying to play a complex piano piece that I've never seen before, my friend usually sits down to listen." Make a likely prediction of the piano player's performance based upon your understanding of social and group influence:
A. the friend will cause social inhibition, since the song is new and complex B. the performance will be better, because of social facilitation C. the performance will be better ,because of social inhibition D. the friend will cause deindividuation
Which statement is true? a. HIV typically leads to AIDS
b. AIDS typically leads to HIV. c. HIV and AIDS are the same disorder. d. AIDS and HIV are unrelated.
We would use a chi-square test if we wanted to learn whether there is evidence to reject the ______ that claims there is no relationship between two categorical variables.
A. alternative hypothesis B. standard deviation C. null hypothesis D. expected frequency
Which of the following statements about the types of trauma associated with the development of 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.