Random assignment reduces the odds that something other than the independent variable is responsible for differences between the treatment and control groups.
An independent variable is exactly what it sounds like. it's far a variable that stands alone and is not changed via the alternative variables you are trying to measure. for example, someone's age might be an independent variable.
The independent variable is only the experimenter controls. The dependent variable is the variable that modifications in response to the unbiased variable. the 2 variables can be related with the aid of motive and effect.
The easiest way to discover which variable in your experiment is the independent Variable (IV) and which one is the structured Variable (DV) is by putting both the variables in the sentence below in a way that makes the experience. “The IV causes a change in the DV.
Learn more about independent variables here: https://brainly.com/question/82796
#SPJ4