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External validity is the validity of applying the conclusions of a scientific study outside the context of that study. [1] In other words, it is the extent to which the results of a study can generalize or transport to other situations, people, stimuli, and times.
Teaching effective hand raising to children with autism during group instruction. Journal of Applied Behavior Analysis, 43, 493–497. Esch, B.E., LaLonde, K.B.,& Esch J.W. (2010). Speech and language assessment: A verbal behavior analysis. The Journal of Speech-Language Pathology and Applied Behavior Analysis, 5, 166–191.
The average percent of the total possible scores along with the range from the highest to the lowest scores for the sample at each 3-month age intervals are presented. The data clearly indicate that typically developing children demonstrate most of the basic language and learning skills measured by the ABLLS-R by the time they are 4 to 5 years ...
This strategy is advantageous because it moderates several threats to validity, and history effects in particular. [2] [4] Concurrent multiple baseline designs are also useful for saving time, since all participants are processed at once. The ability to retrieve complete data sets within well defined time constraints is a valuable asset while ...
ABA is an applied science devoted to developing procedures which will produce observable changes in behavior. [3] [9] It is to be distinguished from the experimental analysis of behavior, which focuses on basic experimental research, [10] but it uses principles developed by such research, in particular operant conditioning and classical conditioning.
Ecological validity, the ability to generalize study findings to the real world, is a subcategory of external validity. [6] Another example highlighting the differences between these terms is from an experiment that studied pointing [7] —a trait originally attributed uniquely to humans—in captive chimpanzees. This study certainly had ...
With children, applied behavior analysis provides the core of the positive behavior support movement [72] [73] and creates the basis of Teaching-Family Model homes. Teaching-Family homes have been found to reduce recidivism for delinquent youths both while they are in the homes and after they leave. [74]
Test validity is the extent to which a test (such as a chemical, physical, or scholastic test) accurately measures what it is supposed to measure.In the fields of psychological testing and educational testing, "validity refers to the degree to which evidence and theory support the interpretations of test scores entailed by proposed uses of tests". [1]