Mean achievement in the studied cohort shows a saw-tooth seasonal pattern, with within-year gains followed by summer declines (summer learning loss)¶

Claim · All claims
Evidence · 1 study · associational r2 · q1
Currency · newest study 2019 · not yet checked against its sources · not reviewed by a person · overdue for a recheck since 2024: baselines and conditions change

Subclaims¶

q1 i? Plots of mean achievement by test administration show gains during the school year and declines in summer, motivating a model accounting for seasonal patterns. → Soland 2019

Evidence¶

Soland 2019¶

Soland, J., Thum, Y.M., & King, G. (2019). Reconciling long-term education policy goals with short-term school accountability models: Evidence and implications from a longitudinal study. (The Collaborative for Student Growth at NWEA Working Paper). https://www.nwea.org/research/publication/reconciling-long-term-education-policy-goals-with-short-term-school-accountability-models-paper/

q1 · i? · associational · r2

Descriptive scatterplots of mean RIT scores by test administration and subject (Figure 1) for the study cohort. The pattern is descriptive and attributed by the authors to summer learning loss; no effect size is printed, so impact is null.

"This pattern typically occurs because students see gains in achievement during the school year followed by declines in the summer, often referred to as summer learning loss"

Discussion¶

Learner Variables¶

• Time and Continuity — outcome: instruction changes it

Related Claims¶

• Summer learning loss is common but not inevitable among K-12 students — the general claim this finding bears on, with the studies behind it
• The proposed seasonal growth model combines polynomial terms for year-to-year growth with piecewise terms for within-year gains and losses — related
• The CP model fits seasonal achievement data better than a traditional polynomial growth model on RMSE, AIC, and BIC while reducing residual autocorrelation — related
• The rural–nonrural achievement divergence is driven by larger summer losses for rural students — a narrower finding that bears on this claim
• Research on seasonal learning and summer learning loss offers insights into the potential achievement impacts of COVID-19 school closures — related
• Ignoring summer loss can impact which schools are identified as low performers under federal accountability — related