The authors interpret the null result as partly reflecting a tension between adaptive mastery learning and curricular coverage: students who master early topics slowly may not reach later topics tested by the state assessment¶

Claim · All claims
Evidence · 1 study · causal r2 · q1
Currency · newest study 2019 · checked against its sources 2026-10-14 (automated, 1 of 1 entry) · not reviewed by a person

Subclaims¶

q1 i? The authors argue that wide variation in coverage of learning objectives, and pacing that slows struggling students, may have interfered with raising achievement on the all-topics state accountability measure; this is an interpretation, not a tested result. → Nicole Shechtman 2019

Evidence¶

Nicole Shechtman 2019¶

Nicole Shechtman, Jeremy Roschelle, Mingyu Feng, Corinne Singleton. (2019). An Efficacy Study of a Digital Core Curriculum for Grade 5 Mathematics. AERA Open. https://doi.org/10.1177/2332858419850482

q1 · i? · causal · r2

Authors' discussion interpretation of the null main effect, citing treatment-condition variation in coverage of learning objectives and frequent teacher complaints that students were not experiencing all tested material. The article notes Burris, Heubert, and Levin addressed a similar pace tension in Accelerated Math and suggests RM-CC5's pacing for struggling students may need further adjustment.

"If too much time is spent on mastering topics early in the curricular sequence, the lack of coverage of later topics may interfere with raising achievement on accountability measures such as the WVGSA; assessments like these are designed to gauge progress on curricular expectations across all the topics in a school year."

Discussion¶

Related Claims¶

• Intelligent tutoring systems improve achievement over non-individualised instruction — the general claim this finding bears on, with the studies behind it

• Mastery learning implementation did not reduce material covered or instructional pace, contradicting the Robin Hood contention — the general claim this finding bears on, with the studies behind it

• A null study finding can have multiple possible causes and requires interpretation before it informs decisions — a broader claim this one bears on
• Assigning schools to use RM-CC5 as their core Grade 5 mathematics curriculum for a full year did not significantly change state assessment achievement compared with business-as-usual schools — related
• Treatment students substantively engaged with RM-CC5 across the school year and all treatment schools met the program's implementation intensity benchmarks, though engagement varied widely between schools and students — related
• RM-CC5 treatment teachers shifted toward one-on-one instruction with individual students, while control teachers led more whole-group and small-group instruction — related
• RM-CC5 usage metrics correlated positively with achievement, and together accounted for an additional 7.3% of variance in Grade 5 scores beyond prior achievement, though causality and relative contributions could not be inferred — related
• Practitioners identified classroom complexities and fidelity-of-implementation variability as considerations experimental research should account for beyond causal effects — related
• Teachers viewed district pacing calendars and standardized assessments as impediments when they pressured rushing through material regardless of mastery — related
• SSA should also consider students' expectations about their learning — related
• Similar introductory lessons on the same topics were observed across grades separated by multiple years, indicating little curricular development — related
• The null achievement difference may stem from the two math programs being implemented more similarly in practice than they differ in theory — related
• Longitudinal within-student analysis of a mathematics mastery learning platform replicates positive effects on standardized math test scores — related
• The authors hypothesize that differences in curriculum design could explain the achievement results of the experimental study — related