$1.00 In depth description, complete with an example.
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- Posted on Jan 03, 2009 at 12:02:13PM
A:
Preview: ... is goes for just about anything, not just science fair projects.<br><br>I don't know what your science fair project is, so I'll make something up. Let's say that you're trying to show the effects that a certain chemical has on a houseplant. You're going to do this by having two different houseplants.<br><br>The first houseplant is going to be your control houseplant. It's called this because it shows what happens in a controlled environme ...
The full tutorial is about 389 words long .
$0.95 Detailed answer
- This tutorial hasn't been purchased yet.
- Posted on Jan 03, 2009 at 2:04:30PM
A:
Preview: ... ometimes hard to develop. Without a control you cannot be sure that changing the variable causes the observations seen. <br><br>For example, an investigation into the effect of increased copper in the soil on plant growth wo ...
The full tutorial is about 186 words long .
$0.75 Easy to understand complete with example!
- This tutorial hasn't been purchased yet.
- Posted on Jan 12, 2009 at 03:19:14PM
A:
Preview: ... gas production. Two hours after eating the crabby<br>patties, 30 customers in group A reported having fewer gas problems and 8 customers in group B<br>reported having fewer gas problems.<br><br>The Control group is B.<br>The independent variable is the New sauce ...
The full tutorial is about 212 words long .
