The null hypothesis in a repeated measures t test is
a. the hypothesis that the mean difference score is equal to 0.
b. the hypothesis that the mean difference score is different from 0 in either direction.
c. the hypothesis that post scores are larger than pre-scores.
d. the hypothesis that the variance of scores stays constant from pretest to posttest.
A
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Messages are more credible when they
a. reflect the interests of the communicator. b. go against the interests of the communicator. c. are irrelevant to the interests of the communicator. d. are not accompanied by relevant counter-arguments. e. are not often repeated.
What are some of the findings regarding sex differences in children's mental health problems?
What will be an ideal response?
Which of the following has been found by researchers examining cerebral asymmetry?
A. When most people experience positive emotions, they have higher levels of electrical activity in their right hemisphere. B. Most people have more electrical activity in the left hemisphere than the right hemisphere. C. Changes in electrical activity can be detected when people experience negative emotions, but not when they experience positive emotions. D. Differences in hemispheric activity levels can be detected in children less than one year old.
When Maslow talks about an intensely positive experience that is effortless and spontaneous, he is speaking about a ______________ experience
Fill in the blank(s) with correct word