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Cocofpopcorn Cocofpopcorn
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6 years ago
Explain the differences between internal validity and external validity. What can you do to increase both simultaneously?
 
  What will be an ideal response?
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skeenan42skeenan42
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6 years ago
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This verified answer contains over 150 words.
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Cocofpopcorn Author
wrote...

6 years ago
Thank you, thank you, thank you!
wrote...

Yesterday
Just got PERFECT on my quiz
wrote...

2 hours ago
this is exactly what I needed
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