The Quality of an Experiment Is Judged by Its Internal

question 16

Multiple Choice

The quality of an experiment is judged by its internal validity. When we say that an experiment is internally valid, it means that

• A) our operational definitions of the dependent and independent variables accurately capture the concepts those variables are meant to represent.
• B) within the context of the experiment, each time we take a measure of the dependent variable from a participant, we get roughly the same result.
• C) our operational definitions of variables are valid, but only within the context of that one experiment.
• D) we can confidently state that any observed changes in the dependent variable result from manipulations of the independent variables) and nothing else.

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Definitions:

Drainage Bag

A medical device used to collect fluid that has been drained from the body, typically used in surgeries or with catheters.

Catheter Tubing

Flexible tubes used in medical settings to administer fluids, medications, or gases to patients, or to drain bodily fluids.

Urinary Diversion

A surgical procedure that redirects urine flow from its normal pathway due to medical conditions affecting the bladder.

Abdominal Trauma

Physical injury to the abdomen that can involve damage to internal organs, which may require immediate medical attention.