This is a freely available collection of intervention plans to target past tense production for early school-aged children with Developmental Language Disorder. The Theoretically Motivated Past Tense (ED) Intervention programme - also known as TheMEDI for short - is a grammar intervention which was designed, developed, and evaluated by Samuel Calder as part of his doctoral research. Links to published papers reporting on intervention efficacy are on the PUBLICATIONS page on this website.

Additional information about Sam's thesis and links to his publications are available throughout this website. Please use the search bar at the top of this page.