02
Sep
Confounding Variable Definition Psychology. This extraneous influence is used to influence the outcome of an experimental design. A somewhat formal definition of a confounding variable is an extraneous variable in an experimental design that correlates with both the dependent and independent variables. For example a study in energy drinks. Is any variable other than the IV that can cause a change in the DV and therefore affect the results in an unwanted way Confounding variable Any variable other than.
One of the most common types of confounding occurs when an experimenter does not or can not randomly assign participants to groups and some type of individual difference eg ability extroversion shyness height weight acts as a confounding variable. An example may be gender your hypothesis may be statistically significant for one gender but not the other. Confounding variables can ruin an experiment and produce useless results. In your caffeine study for example it is possible that the students who received caffeine also had. Age might great a confound. In the diagram below the primary goal is to ascertain the strength of association between physical inactivity and heart.
Similarly what is a confounding variable in statistics.
A confounding variable is an extraneous variable that is related to your independent variable and might affect your dependent variable. For example a study in energy drinks. This extraneous influence is used to influence the outcome of an experimental design. One of the most common types of confounding occurs when an experimenter does not or can not randomly assign participants to groups and some type of individual difference eg ability extroversion shyness height weight acts as a confounding variable. A variable that is not included in an experiment yet affects the relationship between the two variables in an experiment. There is no list of confounding variables as the confound depends upon your hypothesis.