This report evidences the soft skills improvement through the AIC methodology:
https://piccolescuole.indire.it/wp-content/uploads/2020/10/QUADERNO_7_STRUMENTI.pdf
AIC means Apprendimento Intervallato delle Competenze (something like Skill Learning “with breaks”) and foresees an extension of the Space Learning method (3 inputs with 2 breaks) by adding of other 2 lab steps.
Enjoy your reading.