Which Is True About a Dependent Variable in a Research

question 39

Multiple Choice

Which is true about a dependent variable in a research study? It is

• A) manipulated by the researcher to test the research hypothesis.
• B) the cause of changes in other variables in a research study.
• C) the experimental variable in a research study.
• D) the outcome the researcher wishes to predict.

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Definitions:

Nervous System

The complex network of nerve cells and fibers that transmits nerve impulses between parts of the body, overseeing both voluntary actions and involuntary responses.

Axon

A nerve fiber that conducts electrical impulses away from the neuron's cell body, facilitating communication with other neurons or muscles.

Myelin Sheath

A fatty layer that surrounds nerve fibers, aiding in the rapid transmission of electrical signals.

Neural Messages

Neural messages are electrochemical signals transmitted along neurons, enabling communication within the nervous system.