Types of variables ndependent Dependent Controlled The one thing The change that hand Limit to only one 自变量 In an e Indepe variables 导致结果产生 water each plant. health of the plant. amount of liquid, 因变量 Dependent Independent Dependent Controlled Variable Variable Variables variables 混杂变量 要观察的结果 Controlled c(目 variables 千扰研究结果自变量 Independent variables 导致结果产生 混杂变量 Controlled variables 干扰研究结果 因变量 Dependent variables 要观察的结果