A control group helps the scientist contrast between what normally happens and what happens when he/she does something to affect it.
For example, fruit flies living in tropical areas have the tropical ds2 allele, which is helpful in tropical areas. A scientist puts some of the flies into a place where there's less vegetation, and two of those migrated flies produce an offspring with a mutated ds2 gene that helps that mutated fly survive where there's less vegetation. In this whole experiment, the fruit flies with the tropical ds2 allele living in the tropical areas would be the control group, which is important because it helped the scientist contrast the survival of flies in different environments.
A control group is must for every new experiment or uncommon experiment. Because when an experiment is being done anything unexpected could happen and to control the hazard a control group should be ready everytime. Otherwise it can be very dangerous for the experiment holders. to help you conclude that no uncontrolled factors significantly influenced your results
An experiment must have a control to show what would happen if no factors were changed.
An experiment is something like if we don't know if, for example, the result of salt solution. Then we must do it for real to find out the answer. An experiment is not only in the science lab. We can do an experiment everywhere, such as: Our homes, the park,... So that's what a science experiment means. People who haven't done an experiment yet must try some time.
Different types of clothing and a backpack. A backpack must be controlled in this experiment. Hope this helps students. ( Science Teacher ) :)
To eliminate the possibility of hidden or unknown variables the scientist must a control experiment.
A control group is must for every new experiment or uncommon experiment. Because when an experiment is being done anything unexpected could happen and to control the hazard a control group should be ready everytime. Otherwise it can be very dangerous for the experiment holders. to help you conclude that no uncontrolled factors significantly influenced your results
indipendante variable, dependant variable, and a control group
A valid experiment must include a control group for comparison, random assignment of participants to groups, manipulation of an independent variable, and measurement of a dependent variable to test the hypothesis.
An experiment must have a control to show what would happen if no factors were changed.
to elliminate soures of error
Because it helps them know the results of the objects in the experiment and how they differ. This way the scientist knows which succeeded and which failed.
Experiments that test to see if dogs are color blind must use a control group. Otherwise, the results are inaccurate and not scientifically valid.
An experiment is something like if we don't know if, for example, the result of salt solution. Then we must do it for real to find out the answer. An experiment is not only in the science lab. We can do an experiment everywhere, such as: Our homes, the park,... So that's what a science experiment means. People who haven't done an experiment yet must try some time.
A control group is not provided any treatment, while the experimental group is the one to which a treatment is applied. The control and experimental groups are chosen to be as similar as possible, so that the observed effect (if any) can be attributed to the variable: what only the experimental group consumes, uses, or participates in.
The control in a science experiment is the same thing as a constant. It is something that you keep the same the entire experiment. For example if you were testing how various locations affect temperature your constants would be the thermometer you used and the time for measuring the temperature. If you don't have a constant than your experiment results won't be accurate.
Different types of clothing and a backpack. A backpack must be controlled in this experiment. Hope this helps students. ( Science Teacher ) :)
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