Control groups are required when performing _____ studies.

Question

Quizplus · Accepted Answer

Control groups are needed in analytical epidemiological studies to establish causality and to compare the outcomes between the exposed and unexposed groups. Descriptive epidemiological studies do not require control groups as they are focused on describing the distribution of a disease or condition within a population. Universal precaution, superinfection, and nosocomial are not types of epidemiological studies and do not require control groups.

Control Groups Are Required When Performing _____ Studies