Practice: Write a hypothesis for each of the statements and identify the variables and experimental group.

1. Cigarette smoking increases the risk of lung cancer.

Hypothesis: If ____, then ____.

Independent Variable: ____

Control Group: ____

Dependent Variable: ____

Experimental Group: ____



Answer :

Final answer:

The hypothesis states that cigarette smoking increases the risk of lung cancer, with smoking as the independent variable and the risk of lung cancer as the dependent variable.


Explanation:

Hypothesis: If cigarette smoking increases, then the risk of lung cancer also increases.

Independent Variable: Cigarette smoking

Dependent Variable: Risk of lung cancer

Factor to keep constant: Other risk factors for lung cancer, such as exposure to air pollution or genetic predispositions, must be kept constant during the investigation.


Learn more about Experimental Study Design and Variables here:

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