
AM è un pacchetto software statistico per l'analisi dei dati provenienti da campioni complessi, in particolare valutazioni su larga scala.

AM è un pacchetto software statistico per l'analisi dei dati provenienti da campioni complessi, in particolare valutazioni su larga scala come il National Assessment of Educational Progress (NAEP) e il Third International Mathematics and Science Studies (TIMSS).



The American Institutes for Research (AIR) is a non-profit organization focused on behavioral and social science research and evaluation, dedicated to improving people's lives through evidence-based solutions. They address critical issues in education, health, workforce development, and international development. With a strong commitment to rigorous research and practical applications, AIR provides insights and resources that policymakers, practitioners, and the public can utilize to foster positive social change.