Describe the Fundamental Flaw That Prevents a Pre-Post Design from Being

question 32

Essay

Describe the fundamental flaw that prevents a pre-post design from being a true experiment.(That is,why can't these designs produce an unambiguous cause-and-effect explanation?)Explain how the series of observations before the treatment help reduce this problem.

---

Definitions:

Rebound Tenderness

A clinical sign indicative of peritonitis, where there is pain upon the sudden release of pressure on the abdomen.

Lower-Quadrant Pain

Pain located in the lower left or right area of the abdomen, potentially indicating conditions ranging from appendicitis to gynecological issues.

Phantom Pain

Pain felt in an area that has been amputated or is otherwise missing.

Above-The-Knee Amputation

A surgical procedure where a leg is removed from above the knee due to injury or illness.