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fstiles93 fstiles93
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6 years ago
Which of the following reduces power?
 
  a. large differences between the means
  b. large levels of variability
  c. large sample sizes
  d. large alpha levels

Question 2

Power is controlled by
 
  a. sample size.
  b. variability.
  c. true mean differences.
  d. all of the above

Question 3

Suppose a weak relationship exists between fetal alcohol syndrome and hyperactivity. We are more likely to find that the sample correlation is significant if
 
  a. we have a small sample.
  b. we have a very large sample.
  c. it doesn't depend at all on sample size.
  d. we choose people who have all experienced fetal alcohol syndrome.
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m0502428m0502428
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6 years ago
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fstiles93 Author
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6 years ago
Just got PERFECT on my quiz
bahajo
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Yesterday
Helped a lot
Natalie Price
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2 hours ago
Correct Slight Smile TY
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