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Home Q & A Board Laboratory Help Introductory Courses
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smorgan6616 smorgan6616
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11 years ago
In a scientific experiment, a control group:

check all that apply

1. is less important than an experimental group.
2. can be compared with an experimental group to assess whether one particular variable is causing a change in the experimental group.
3. must be kept in a laboratory.
4. is essential.
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wrote...
#1
11 years ago
2 & 4

Not 1 because without a control the results would not be considered valid

Not 3 because you can conduct experiments in places other than in a laboratory.  To take an extreme example, robotic Mars explorers conduct experiments to see if there is life on Mars - the nearest lab is millions of miles away from them
wrote...
#2
11 years ago
well i guess u could have 3 in there because the experiment would be done in a lab, but you would also defiantly have 4 in there
wrote...
#3
11 years ago
I agree with GLH. 2 & 4
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