A scientific study done to answer a clinical question or solve a practice problem. A scientific study done to create new knowledge for the purpose of learning or finding truth. Also see nominal scale. Researchers use these statistics to describe the most typical scores in a set of data. A statistic used to compare frequencies of two or more groups.
Researchers often use chi-squares to test nominal data.
Also see nominal scale. A research design used to test the effects of a treatment such as a therapy approach or medication. Researchers compare treatment group results with control group results. Also see control group. A statistic that represents reliability or internal consistency.