This article reviews conceptual, methodological, and paradigmatic issues related to the acceptability of school-based practices from a behavioral orientation. First, we provide an overview of the acceptability construct from a behavioral perspective including (a) the historical development of the construct of acceptability, (b) the behavioral conceptualization and definition of the construct of acceptability, and (c) the prevailing conceptual models of acceptability. Second, we illustrate the methodology typically used when examining consumers' acceptability of school-based practices from a behavioral perspective using a cross-source, cross-method approach. A review of empirical studies examining the acceptability of consultation, assessment, and intervention practices using a variety of school-based consumers (e.g., school psychologists, parents, teachers, children) is conducted. The importance of examining the acceptability of school-based practices from this perspective is discussed. Third, we discuss important methodological issues that need to be considered in conducting acceptability research. Finally, the advantages and limitations of examining acceptability within a behavioral context are reviewed.Recently, the importance of assessing the degree to which consumers perceive school-based practices as fair, reasonable, and appropriate has been advocated in the school psychology literature (Elliott, Witt, & Kratochwill, 1991;Gresham & Lopez, 1996). Constructs such as social validity, treatment acceptability, and consumer satisfaction are often used to describe the extent to which individuals perceive themselves as "liking" prescribed treatments or procedures (Schwartz, 1996). Although these constructs may be used interchangeably, these terms differ in definition and theoretical conceptualization. For example, social validity refers to the social desirability, usefulness, and importance of treatment programs (Wolf,