This document is the second in a series of 11 subvolumes of a handbook providing training for educational research and development personnel in the development of instructional materials. This subvolume deals with the task of collecting and analyzing data about criterion behavior. The document content is divided into the following five steps for completing the task: (a) collect description of critical elements of criterion behavior from job holders; (b) plan the sequence for collecting from individual performance experts or knowledge domain experts the types of information needed to perform the various required types of analysis of criterion behavior; (c) collect task description information about criterion behavior; (d) collect task analysis, learning analysis, and competency analysis information about criterion behavior; and (e) collect information necessary to perform a mode analysis of inputs, actions, and outputs for each criterion behavior. More specific substeps are listed for performing the steps. (PD)