Independent variable - The variable that is changed in an investigation, Dependent variable - The variable that is measured as the results in an investigation, Control - An experiment set up to compare results when no treatment is applied., Reliability - Measure of confidence in the results that is increased by repeating experiments, Hazard - Something in an experiment that has the potential to cause harm, Risk - The probability of a harmful event occurring, Aim - The purpose of an experiment: to investigate the effect of the independent variable on the dependent variable, Hypothesis - The predicted effect of the independent variable on the dependent variable,

Experimental design key terms

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