Which number tells us the most about how the scores in a frequency distribution are dispersed around the mean?
a. range
b. correlation coefficient
c. standard deviation
d. probability ratio
Answer: c
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Diademe is a beautiful singer. She sent a wonderful audition tape to a national talent show and sang really well for the individual judges. However, when she stood before 5,000 people at a live show, she sang off key, forgot the words, and was short of breath. How might you explain her inconsistency in performance?
A. She is not really that good and just lucked out when she did her tape and performed before the judges. B. She was too aroused during the live show, and her performance suffered as a result. C. Because she had already proven herself in front of the judges, she was no longer motivated to do well. D. The wonderful feedback she had received from the judges made her overconfident.
A researcher reports an independent-measures t statistic with df = 16 . How many participants were in the entire study?
a. 17 c. 33 b. 18 d. 34
A mentor
A. Can be someone inside your organization or outside your organization but in your profession B. Should be someone you respect C. Both answers are correct.
Describe the sequence of developments that are observed in the emergence of a child's first
words. What will be an ideal response?