If Physical Control,randomization,and Design Features Do Not Eliminate the Differential

question 69

Multiple Choice

If physical control,randomization,and design features do not eliminate the differential effects of extraneous variables among treatment groups,the experiment

• A) has been confounded, but causal statements are still possible
• B) has been confounded, and no causal statements are possible
• C) must be repeated without the presence of extraneous variables
• D) loses external validity, but can still salvage internal validity

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Definitions:

Tortfeasor

A person or party that has committed a tort, which is a wrongful act leading to legal liability.

Intentional Tort

An Intentional Tort is a civil wrong resulting from an intentional act on the part of the tortfeasor (wrongdoer) that causes harm to another.

Felony

A serious crime, typically one punishable by imprisonment for more than one year or by death.

Negligence

A failure to exercise the care that a reasonably prudent person would exercise in similar circumstances, leading to causing harm or damage.