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Direct linkPeltier, Corey; Muharib, Reem; Haas, April; Dowdy, Art – Journal of Autism and Developmental Disorders, 2022
In single-case research designs (SCDs) to determine a functional relation a time-series graph is constructed. Preliminary evidence suggest the approach used to scale the vertical axis and the data points per x- to y-axis ratio (DPPXYR) impact visual analysts' decisions. We conducted a systematic review to evaluate time-series graphs published in…
Descriptors: Research Design, Graphs, Scaling, Error Patterns
Prathiba Natesan Batley; Erica B. McClure; Brandy Brewer; Ateka A. Contractor; Nicholas John Batley; Larry Vernon Hedges; Stephanie Chin – Grantee Submission, 2023
N-of-1 trials, a special case of Single Case Experimental Designs (SCEDs), are prominent in clinical medical research and specifically psychiatry due to the growing significance of precision/personalized medicine. It is imperative that these clinical trials be conducted, and their data analyzed, using the highest standards to guard against threats…
Descriptors: Medical Research, Research Design, Data Analysis, Effect Size
Peer reviewedFong, Margaret L.; Malone, Christine M. – Counselor Education and Supervision, 1994
Asserts that much of research currently conducted in counselor education and supervision is unreliable and invalid. Presents tabulation of research designs and errors in manuscripts submitted to "Counselor Education and Supervision." Notes that over 80% of submitted studies were descriptive designs and nearly one-half had errors that invalidated…
Descriptors: Content Analysis, Counselor Educators, Counselor Training, Data Analysis
