The Hallmark Feature of an Experimental Design Is

question 50

Multiple Choice

The hallmark feature of an experimental design is:

• A) manipulation of one or more variables to determine the effect on another measured variable
• B) random assignment is used to control extraneous influences
• C) a control group which receives none of the manipulation is often included
• D) all of the above

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Definitions:

Cardiac

Relating to or affecting the heart.

Tissue

Groups of similar cells and their extracellular matrix from the same origin that together carry out a specific function.

Neuroglial Cells

Non-neuronal cells in the nervous system that provide support, nourishment, and protection for neurons.

Neuromuscular Junction

A synapse between a motor neuron and a skeletal muscle cell, where electrical signals or impulses are transmitted to initiate muscle contraction.