https://schooling-frontier.pages.dev/tags/randomized-controlled-trial/ Recent content in Randomized Controlled Trial on Schooling Frontier Hugo en Mon, 11 May 2026 00:00:00 +0900 https://schooling-frontier.pages.dev/posts/seven-weeks-of-changing-how-to-talk/ Mon, 11 May 2026 00:00:00 +0900 https://schooling-frontier.pages.dev/posts/seven-weeks-of-changing-how-to-talk/ A randomized controlled trial across 15 elementary schools in Montreal evaluated a 7-week parent training program grounded in self-determination theory. Externalizing problems dropped significantly in the treatment group and the effect persisted at the 6-month follow-up.