Control Group vs Experimental Group

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Presentation transcript:

Control Group vs Experimental Group Aim: How to correctly design the control and experimental group?

In a controlled experiment You must have two groups Control group vs Experimental group The experimental group gets whatever it is you’re testing (independent variable) Beside that, every other factors must remain the same/constant between the two groups(aka constant variables)

Part B: Controlled Experiment Hypothesis Experimental Group Control Group If a plant gets light then it will grow more. 50 tomato plants, nutrient rich soil medium pot size 2 cups of water a day Light No Light If students listens to music then they will do better on math problems. If a person exercises then their heart rate will increase. If the salt concentration is high then more brine shrimp will hatch. If a soil is acidic then the plant will grow faster.