mdoggg: How many times should you test an object for a science fair project?
I have a science fair project on dogs and puppy smarts. I am wondering if i should test the experiment on one dog, or multiple dogs. And if I should test it on multiple dogs, how many? HELP!

Best answer:

Answer by KenK
One dog might be interesting, but multiple dogs would be necessary to be more scientific. Try looking at these sites on

1) Standard deviation.

http://en.wikipedia.org/wiki/Standard_deviation

2) Deductive and inductive reasoning.

http://en.wikipedia.org/wiki/Deductive_reasoning

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