Extraneous variables may have an influence on the dependent variable. In what ways do researchers attempt to control extraneous variables? Support your answer with current literature Variables can cause influential changes in the data thereby influencing the results and skewing the research. By attempting to control these extraneous variables, the researcher can more accurately determine the effect of that variable (Burns 40). Controlling variables can be done by stringent inclusion and exclusion criteria. This would ensure that the amounts of variables are diminished and a narrow focus on the identified sampling is controlled by the inclusion and exclusion criteria thereby reducing extraneous variables that would influence the dependent ones. Manipulating the setting of the...