Abstract
Statistical analysis of behaviorae desings: ßn, Statistic. The statistical techniques were progressively incorporand in the analysis of data proceeding from behavior designs. In some cases specially conceived tests were developed for the designs in question. Characteristics such as the scarcity of data, especially within the applied investigation, make statistical analysis impossible, justified on ocasions for ethical reasons. This article lays out and justifies a technique, titled ßn, statistic, designed for the analysis of data from behavior designs A-B with a single observation in the A phase.