The WHAAM Application: a Tool to Support the Evidence-Based Practice in the Functional Behaviour Assessment

Gianluca Merlo, Giuseppe Chiazzese, Manuela Sanches-Ferreira, Antonella Chifari, Luciano Seta, Colin McGee, Alberto Mirisola, Isabella Giammusso


Background: The most recent computing technologies can promote the application of evidence-based practice (EBP) in the field of Applied Behavior Analysis (ABA).

Objective: The study describes how the use of technology can simplify the application of evidence-based practices in applied behaviour analysis.

Methods: The WHAAM application demonstrates this in the following two case studies. We are monitoring dysfunctional behaviours, collecting behavioural data, performing systematic direct observations, creating a visual baseline and intervention charts and evaluating the planned interventions using the TAU-U statistical index.

Results: Significant positive changes of children's problem behaviours are observed and recorded. Both the duration of the identified behaviour "to get out of bed in time" (r = -.79, TAU-U = -.58, p < .05) and the frequency of the behaviour "interrupting others" (r= -.96, TAU-U = -.82, p < .01) decreased.

Conclusion: the WHAAM application is an effective tool to support functional behaviour assessments and it is an example of how technology can support practitioners by facilitating the application of evidence-based practices and increasing the communication among clinical, educational and family environments.


ADHD; behavioural assessment; behavioural interventions; information processing; effect size; eHealth system

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