In science in general and in the context of single-case experimental designs, replication of the effects of the intervention within and/or across participants or experiments is crucial for establishing causality and for assessing the generality of the intervention effect. Specific developments and proposals for assessing whether an effect has been…

Questions regarding the generalizability of results from educational experiments have been at the forefront of methods development over the past five years. This work has focused on methods for estimating the effect of an intervention in a well-defined inference population (e.g., Tipton, 2013; O'Muircheartaigh and Hedges, 2014); methods for…

Measures of agreement are used in a wide range of behavioral, biomedical, psychosocial, and health-care related research to assess reliability of diagnostic test, psychometric properties of instrument, fidelity of psychosocial intervention, and accuracy of proxy outcome. The concordance correlation coefficient (CCC) is a popular measure of…

Information technology (IT) is increasingly being used to facilitate, complement, and support the implementation of evidence-based practices (EBP) in psychology. This article reviews recent randomised trials that evaluate the integration of IT applications into the process of delivering EBP. More specifically, we review 11 studies that illustrate…

An international movement has focused on identifying evidence-based interventions that were developed to change psychological constructs and that are supported by controlled studies. However, inconsistent findings within individual intervention studies and among multiple studies raise critical problems in interpreting the evidence, and deciding…

Describing the state of the science of ABA, this comprehensive handbook provides detailed information about theory, research, and intervention. The contributors are leading ABA authorities who present current best practices in behavioral assessment and demonstrate evidence-based strategies for supporting positive behaviors and reducing problem…

A review of research on state behavior among students with profound disabilities is presented, and a model depicting interactions of state with endogenous and exogenous variables is offered. Applications of the model are illustrated through four case studies displaying different state patterns. Measurable attributes of state having implications…

An introduction to the concepts and terminology of chaos science and a discussion of its implications for the behavioral and social sciences are provided. The paper points out that chaos science assumptions pertaining to nonlinearity, controlled randomness, and dynamic system modeling offer challenging new directions to assessment and intervention…

Selecting a statistical framework for a behavioral study has profoundly different results than does a linguistically framed research strategy. The linguistic strategy overcomes many limitations inherent in statistical strategies and offers more meaningful results. Inferential statistical studies often discuss how the findings "explain" the results…

This commentary on assessing the social validity of behavior-change programs examines which groups should be included in the assessment, whether social validity assessment should be required, and whether new methods are needed. The paper notes that social validation should be an interactive process between researcher and consumer. (JDD)

Incorporating statistical process control (SPC) methods into applied behavior analysis is discussed. It is claimed that SPC methods would likely reduce applied behavior analysts' intimate contacts with problems and would likely yield poor treatment and research decisions. Cases and data presented by Pfadt and Wheeler (1995) are cited as examples.…

This article challenges applied behavior analysts to use their knowledge of consumer behavior and effective educational strategies to provide consumers with useful information, thereby enabling them to make informed decisions. This will decrease the misconceptions that many consumers have about behavior analysis, thus improving the social validity…

This paper reviews functional analysis' historical development as an important pretreatment assessment and analysis strategy for academic and social behavior problems. It examines seminal and influential studies to document historical and contemporary progression, functional analysis' contributions, and future directions. Conclusions focus on…

This paper discusses the practice of social validity assessment in applied behavior analysis, proposes elements that should be included in state-of-the art assessment procedures, offers a taxonomy of consumers to guide the construction and circulation of assessments, and suggests strategies to improve social validity assessment. (JDD)