In terms of the scientific method,what are variables

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Variables are measurable items that are controlled or observed in a study. They are the changes or conditions that are manipulated or observed in an experiment in order to study their effects on the outcome. Variables can be independent (manipulated by the researcher) or dependent (affected by the independent variable). Other types of variables include confounding variables (which can affect the results of an experiment but are not manipulated), extraneous variables (which are uncontrolled variables that may influence the outcome), and intervening variables (which are variables that come between the independent and dependent variables and affect the relationship between them).

In Terms of the Scientific Method,what Are Variables