Which Research Technique Is Best at Eliminating Confounding Variables

question 27

Multiple Choice

Which research technique is best at eliminating confounding variables

• A) preexperiment
• B) true experiment
• C) quasi-experiment
• D) correlational

---

Definitions:

Hirschsprung Disease

A congenital condition where nerve cells are missing in the muscles of part or all of the large intestine, causing difficulties with passing stool.

Permanent Colostomy

A surgical procedure that creates a permanent opening in the abdomen to allow for waste elimination.

Daily Enemas

The practice of introducing liquid into the rectum and colon via the anus on a daily basis, typically to encourage bowel movements or cleanse the colon.

Antihistamines

Medications used to relieve or prevent the symptoms of allergies and colds by blocking the action of histamine in the body.