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Author Question: If, in a correlational study, a researcher calculates the correlation coefficient to be r = +.5, ... (Read 94 times)

waynest

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on: Jun 20, 2018
If, in a correlational study, a researcher calculates the correlation coefficient to be r = +.5, what would the coefficient of determination indicate?
 
  a. The results suggest that 50 of the total variance is being shared by the two variables.
  b. The results suggest that 25 of the total variance is being shared by the two variables.
  c. The results suggest that 5 of the total variance is being shared by the two variables.
  d. The results suggest that .25 of the total variance is being shared by the two variables.

Question 2

Variability resulting from individual differences among research subjects is referred to as
 
  a. systematic variance.
  b. error variance.
  c. analysis of variance.
  d. none of the above


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javimendoza7

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Reply #1 on: Jun 20, 2018
Answer to Question 1

b

Answer to Question 2

b


waynest

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Reply 2 on: Jun 20, 2018
Gracias!

bassamabas

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Reply 3 on: Yesterday
Wow, this really help

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