When our results are "statistically significant" we know
A. the independent variable likely produced an effect on the dependent variable.
B. the direction of the effect of the independent variable.
C. the effect size between the independent and dependent variables is large.
D. all of these
A. the independent variable likely produced an effect on the dependent variable.
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Which statement about nightmares is TRUE?
A) Children have more nightmares than do adults. B) Women have more nightmares than do men. C) People who have experienced traumatic events actually have fewer nightmares than do others. D) Nightmares often involve the perception of pain.
The position that there is an ideal level of arousal for various activities and that individuals attempt to keep the activation of their body and nervous system near this ideal level is called the
a. arousal theory. b. activation-synthesis hypothesis. c. equilibration hypothesis. d. biorhythm theory.
When computing m_D±t_(?/2) (s_(m_D )), what is s_(m_D)^2 if sample size is 10, and the variance of the difference scores is 10?
a. 2.53 b. 0.89 c. 8.00 d. 0.80
Val has a crush on Ilene. What is one thing he might do to make himself more desirable?
A) Bring her flowers B) Stop by every day to say hello C) Compliment her on her hair D) Tell her she has nice shoes