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What is the relationship between Control and experimental groups?
control groups are those which you keep constant you don't do anything to them and experimental groups are the ones which you are adding something to it to see what happens
What does controlled experiment mean in science terms?
All science experiments are performed in a controlled manner which means, there will be a positive control, a negative control and importantly the subject sample(s) who's behavior is not known. The experimental observation must be positive with the positive control sample and negative with the negative control sample, no matter whatever the condition is. Only in this set up the result of a subject (which is the actual unknown experimental sample) would be considered as a faithful result.Any fault or irregularities of the controls will destroy the authenticity of an experiment.
In an experiment the group that is exposed to the variable to be tested is called the?
control group
What is the role of positive control in an experiment?
a control group is a group where nothing is changed. the experimental group is where you change one factor two examples: experimental group: 3 cups vinegar, 1 tablespoon baking soda, 5 drops food coloring control group: 2 cups vinegar, 1 tablespoon baking soda, 5 drops food coloring experimental group: plants with 4 hours of sunlight, 1/2 cup water every other day, fertilizer, warm room control group: plants with 4 hours of sunlight, 1/4 cup water every single day, fertilizer, warm room
The group of experimental subjects which is left natural or left unchanged is called the?
experimental group
