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Direct linkPeltier, Corey; McKenna, John W.; Sinclair, Tracy E.; Garwood, Justin; Vannest, Kimberly J. – Behavioral Disorders, 2022
Single-case experimental designs (SCEDs) are frequently used to evaluate whether a functional relation exists between interventions and student outcomes. A critical factor in decision making is the evaluation of graphical data, typically displayed in time-series graphs. Distortion in the graphical display of data can lead to invalid decisions on…
Descriptors: Periodicals, Graphs, Research Problems, Behavior Disorders
Cook, Bryan G.; Therrien, William J. – Behavioral Disorders, 2017
Researchers sometimes conduct a study and find that the predicted relation between variables did not exist or that the intervention did not have a positive impact on student outcomes; these are referred to as null findings because they fail to disconfirm the null hypothesis. Rather than consider such studies as failures and disregard the null…
Descriptors: Publications, Bias, Special Education, Educational Research
