Question

what is variable and its types of variables my event scale ​

Answer 1

Answer:

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Variables represents the measurable traits that can change over the course of a scientific experiment.

In all there are six basic variable types:

$\longrightarrow$dependent,

$\longrightarrow$ independent,

$\longrightarrow$intervening,

$\longrightarrow$moderator,

$\longrightarrow$controlled

$\longrightarrow$ extraneous variables.

Answer 2

Answer:

A variable is any factor, trait, or condition that can exist in differing amounts or types. An experiment usually has three kinds of variables: independent, dependent, and controlled. The independent variable is the one that is changed by the scientist

Scale Variable: basically, another name for a measurement variable. Study Variable (Research Variable): can mean any variable used in a study, but does have a more formal definition when used in a clinical trial. Test Variable: another name for the Dependent Variable