Structural equation modeling (SEM) is a versatile statistical modeling tool. Its estimation techniques, modeling capacities, and breadth of applications are expanding rapidly. This module introduces some common terminologies. General steps of SEM are discussed along with important considerations in each step. Simple examples are provided to…

Guidelines for appropriate test preparation practices are presented to ensure that tests used in high-stakes situations generate scores that represent their domains validly. These guidelines do not rely directly on two evaluative standards proposed by W. J. Popham (1991), although they share the concern for appropriate test preparation. (SLD)