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A _____ Is a Sudden, Involuntary Contraction of One or More

question 38

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A _____ is a sudden, involuntary contraction of one or more muscles.​


Definitions:

Dependent Variable

The variable in an experiment that is observed and measured for changes, which are thought to be influenced by the manipulation of the independent variable.

Interaction

In research, this refers to the effect that variables have on each other when combined.

Independent Variable

The variable in an experiment that is manipulated or changed by the researcher to observe its effects on the dependent variable.

Manipulation Check

A measure used to determine whether the manipulations in an experiment have the intended effect on the subjects.

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