Teachers implemented interleaved practice without training and, surveyed before learning the results, mostly judged it useful and viable though slightly harder and more time-consuming¶

Claim · All claims
Evidence · 1 study · causal r3 · q2
Currency · newest study 2019 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q2 i? Most of the 15 teachers agreed interleaved practice improves exam scores, suits low- and high-achieving students, and that they would recommend it. → Doug Rohrer 2019 q2 i? A majority reported students found interleaved practice slightly harder (9) and more time-consuming (13) than blocked practice. → Doug Rohrer 2019

Evidence¶

Doug Rohrer 2019¶

Doug Rohrer, Robert F. Dedrick, Marissa K. Hartwig, Chi-Ngai Cheung. (2019). A Randomized Controlled Trial of Interleaved Mathematics Practice. Journal of Educational Psychology. https://osf.io/pfeg4/

q2 · i? · causal · r3

Anonymous 23-item paper-and-pencil survey completed by all 15 teachers several weeks after the test, before they were told the results, preceded by a brief tutorial. "a good way to improve students' scores on unit exams (14)".

"Teachers agreed (or strongly agreed) that interleaved practice is a good way to improve students' scores on unit exams (14) and final exams (14) and is appropriate for both low-achieving students (13) and high-achieving math students (15)."

Discussion¶

Related Claims¶

• Interleaving category examples improves inductive category learning for visual and mathematical materials, but not for expository texts or word categories — related
• Learners overwhelmingly judge blocking more effective than interleaving even when their test performance favors interleaving — related
• Retrieval practice and spaced retrieval improve achievement and retention by medium amounts, while interleaving helps category learning only for some materials and blocking beats it for words — related
• Stakeholder reflections judged the ten-week, 30-minute-session facts intervention feasible within the elementary schedule, with moderate-to-high student engagement — related