When Conducting Experiments, How Is the Experimental Group Different from the Control

question 58

Multiple Choice

When conducting experiments, how is the experimental group different from the control group?

• A) The experimental group includes people who are very different from those in the control group.
• B) The experimental group is administered the dependent variable, while the control group is not.
• C) The experimental group is administered the independent variable, while the control group is not.
• D) The control group is administered the independent variable, while the experimental group is not.

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Definitions:

Intercalated Discs

Specialized structures located at the cell boundaries in cardiac muscle fibers that facilitate the coordinated contraction of the heart muscle.

Cardiac Muscle

Involuntary, striated type of muscle found in the vertebrate heart. Compare with smooth muscle and skeletal muscle.

Rigor Mortis

A temporary stiffening of muscles occurring after death as a result of chemical changes in muscle tissues.

Calcium Ions

Charged particles of calcium that play key roles in blood clotting, muscle contraction, and nerve function.