course hero "how did the researchers control for external variables in this study"

by Margret Yundt 6 min read

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What are the three types of variables that affect the results of experimental studies?

Three types of variables which can affect the results of the experimental studies are independent, dependent, and extraneous variables . The focus of the research is to understand the causes of phenomena.

What is extraneous variable?

Extraneous variables are all variables, which are not the independent variable, but could affect the results of the experiment (McLeod. S., 2019). Different variables play important roles in performing research. Researchers use many techniques to control the extraneous control the extraneous variables. By.

Is an extraneous variable dependent on an independent variable?

On the other hand, dependent variable literally depends on the independent variable. It is the dependent variable that the researcher is usually most interested in understanding and possibly interested in predicting ( Flannelly, Flannelly, & Jankowski., 2014). Extraneous variables are all variables, which are not the independent variable, ...

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