Hit Rate

In general, hit rate is a ratio or a proportion, and the term is used in many environments and disciplines with specific definitions for both the denominator and numerator. In the online world, it usually means the number of “hits” a Web page receives during some period of time. In marketing, it can mean the number of sales achieved as a percentage of the number of sales calls made. In survey research, hit rate is most commonly used to refer to the proportion of telephone numbers in a sample that are working residential numbers. However, hit rate is sometimes used to mean incidence. Both meanings of hit rate are essential components of sample size calculations.

In its common usage, hit rate is synonymous with the terms ...