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Amine6666 Amine6666
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6 years ago
A correlation of +.60 is _________ as strong as a correlation of +.30.
 
  a. half
  b. twice
   c. four times
  d. thirty times
  e. none of the above


In an experiment, the variable that is manipulated by the researcher is the variable.
 
  a. independent
  b. control
  c. empirical
  d. dependent
  e. operational


On a scatterplot, a correlation of -1.00 appears as a
 
  a. straight line that slopes upward to the right
  b. horizontal straight line
  c. curved line
  d. vertical straight line
   e. straight line that slopes downward to the right


One-tailed is to two-tailed as
 
  a. alpha is to beta
   b. directional is to nondirectional
  c. randomized is to matched
  d. posttest only is to pretest-posttest
  e. Type II is to Type I


If you are computing a Pearson product-moment correlation, there might be a relation between two variables but your correlation coefficient might not reflect that relationship. One problem could be that the relation between the two variables
 
  a. involves latent variables.
  b. is nonlinear.
  c. involves homogeneous subgroups.
  d. has a directionality problem.
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ZheroZhero
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Amine6666 Author
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6 years ago
Thanks
Ifekwunigwe
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Yesterday
Just got PERFECT on my quiz
Hellish Lover
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2 hours ago
Good timing, thanks!
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