Dale Wants to Design a Good Experiment and Be Sure

question 139

Multiple Choice

Dale wants to design a good experiment and be sure there are no confounding variables.In other words, Dale wants to avoid:

• A)an uncontrolled variable that changes systematically with the independent variable
• B)an uncontrolled variable that changes systematically with the dependent variable
• C)a controlled variable that changes systematically with the independent variable
• D)a controlled variable that changes systematically with the dependent variable

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Definitions:

Prostatitis

Inflammation of the prostate gland, which can lead to urinary tract symptoms and pain.

Dysuria

Pain or discomfort when urinating, often indicative of a urinary tract infection or other urinary system issues.

Urination

The process of expelling urine from the bladder through the urethra to the outside of the body.

Transillumination

A diagnostic method where light is passed through body tissues to detect abnormalities, often used in dentistry and for assessing swellings or sinuses.