Assessing the Psychometric Properties of the Practice and Product Inventory of Supporting Students with Autism (PPISSA) with an Italian sample: An Assessment Tool to reimagine Inclusive Teaching in classroom

With an emphasis on teachers’ practice and output in helping students with autism in inclusive education, this study evaluated the Practice and Product Inventory of Supporting Students with ASD (PPI-SSA) psychometric qualities with a European sample. PPI-SSA reveals to be a concise tool, especially suited for quantitative research with ASD in a Western context. The paper presents the exploratory and confirmatory factor analyses conducted with a sample of 358 primary, middle and secondary school teachers, aimed at identifying the latent structure underlying the data collected. The extraction returned a four-factor solution, consistent with the expected theoretical dimensions, but with interesting peculiarities, regarding promising research-based educational informal practices to support students with autism in social contexts.