Confounding Variables In Psychology. 1 It occurs when an investigator tries to determine the effect of an exposure on the occurrence of a disease or other outcome but then actually measures the effect of another factor a confounding variable. A confounding variable is an outside influence that changes the effect of a dependent and independent variable. A Confounding Variable is an extraneous variable whose presence affects the variables being studied so that the results you get do not reflect the actual relationship between the variables under investigation. What are Confounding Variables.
Simply a confounding variable is an extra variable entered into the equation that was not accounted for. A factor other than the independent variable that might produce an effect in an experiment and be influencing the results. A confounding variable also called a confounder or confounding factor is a third variable in a study examining a potential cause-and-effect relationship. This extraneous influence is used to influence the outcome of an experimental design. How does A affect B. Here are the learning targets and the glossary for this topic of study.
In your caffeine study for example it is possible that the students who received caffeine also had.
Confounding variables can ruin an experiment and produce useless results. These unwanted influences are called confounding variables. A confounding variable is an outside influence that changes the effect of a dependent and independent variable. A variable that is not included in an experiment yet affects the relationship between the two variables in an experiment. Confounding variables are factors other than the independent variable that may cause a result. Simply a confounding variable is an extra variable entered into the equation that was not accounted for.