To Compare Verbal Intelligence at Different Age Levels,researchers Tested and Retested

question 220

Multiple Choice

To compare verbal intelligence at different age levels,researchers tested and retested a group of children from the time they were 2 until they reached the age of 20.The researchers were clearly using a

• A) longitudinal study.
• B) correlation coefficient.
• C) cross-sectional study.
• D) regression toward the mean.

---

Definitions:

American Hospital Association

A national organization that represents and serves all types of hospitals and healthcare networks in the United States.

American Medical Association

The American Medical Association (AMA) is a professional organization for physicians in the United States, dedicated to promoting the art and science of medicine and the betterment of public health.

American Pharmacists Association

A professional organization representing pharmacists in the United States, focusing on improving medication use and advancing patient care.

American College of Physicians

A professional organization for internal medicine physicians aimed at promoting excellence and professionalism in the medical field.