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Author Question: A researcher found a correlation of .40 between aptitude test scores and school achievement. What ... (Read 171 times)

humphriesbr@me.com

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on: Jun 20, 2018
A researcher found a correlation of .40 between aptitude test scores and school achievement. What proportion of the variance in school achievement can be attributed to variables other than aptitude?
 
  a. .16 c. .60
  b. .40 d. .84

Question 2

How does replication of experiments contribute to external validity?
 
  What will be an ideal response?


InfiniteSteez

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

D

Answer to Question 2

If experiments are repeated and the outcome is the same, one has more confidence in generalizing the findings to other subjects and settings.


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