The ROOTS kindergarten mathematics intervention significantly improved fall-to-spring gains on three of six outcome measures compared with control, with positive effect sizes on all measures¶

Claim · All claims
Evidence · 1 study · causal r2 · q3 · i2 medium
Currency · newest study 2017 · not yet checked against its sources · not reviewed by a person

Subclaims¶

q3 i2 ROOTS students made significantly greater gains than control students on ASPENS (g = 0.52), TEMA standard scores (g = 0.25), and RAENS (g = 0.76). → Clarke 2017 q3 i? No statistically significant differences were detected on NSB, oral counting, SESAT, or SAT-10. → Clarke 2017

Evidence¶

Clarke 2017¶

Clarke, B., Doabler, C. T., Kosty, D., Kurtz Nelson, E., Smolkowski, K., Fien, H., & Turtura, J. (2017). Testing the efficacy of a kindergarten mathematics intervention by small group size. AERA Open, 3(2), 1–16. https://doi.org/10.1177/2332858417706899

q3 · i2 · causal · r2

Partially nested Time × Condition mixed-model analysis of the RCT comparing ROOTS students nested within small groups with unclustered controls. The article reports gains of "18.3 for the ASPENS (g = 0.52)", "2.0 for the TEMA standard score (g = 0.25)", and "4.7 for the RAENS (g = 0.76)".

"Students in the ROOTS condition made greater gains than control students on the ASPENS (t = 6.41, df = 272, p < .0001), TEMA standard scores (t = 3.76, df = 263, p = .0002), and RAENS (t = 9.36, df = 315, p < .0001)."

Discussion¶

Related Claims¶

• Student outcomes did not differ significantly between two-student and five-student ROOTS groups on any measure — related
• Kindergartners with mathematics difficulties randomly assigned to the ROOTS intervention made significantly greater fall-to-spring gains than control students on the NSB, ASPENS, TEMA-3, and RAENS — related
• The ROOTS intervention produced greater fall-to-spring kindergarten gains than control instruction on four of five outcome measures for at-risk students — related
• ROOTS effects on mathematics achievement were not detected on first-grade follow-up measures — related
• ROOTS students made greater gains than their not-at-risk peers, reducing the achievement gap — related
• At-risk kindergarten students receiving the ROOTS Tier 2 intervention made significantly greater mathematics gains than at-risk control peers on the TEMA standard score — related
• The Boston replication reproduced significant effects on the TEMA-3, ASPENS, and RAENS and newly found significant effects on the NSB and SESAT, with effect sizes within or exceeding the Oregon study's bounds — related
• An earlier preliminary investigation of ROOTS found small-to-medium positive effects on kindergarten mathematics achievement measures — related
• Year 1 of the ROOTS efficacy trial used a classroom-blocked RCT assigning at-risk kindergartners to ROOTS-large, ROOTS-small, or no-treatment control conditions — related