[
 {"id":"C1","text":"The one-way ANOVA does not reject equal weekday mean changes (F=0.263, p=0.902).","results_keys":["anova_f_stat","anova_p_value","n_analysed"],"status":"supported","caveat":"Equal-variance assumption is rejected by Levene's test; Kruskal-Wallis (supplementary) agrees with the null."},
 {"id":"C2","text":"The Monday contrast is +0.05 bp with 95% Welch CI [-0.32, 0.42] bp, indistinguishable from zero.","results_keys":["effect_estimate","effect_ci_low","effect_ci_high"],"status":"supported","caveat":"iid assumption; no HAC adjustment for volatility clustering."},
 {"id":"C3","text":"Weekday-specific estimation-period means do not improve out-of-sample RMSE over the zero-change forecast (4.884 vs 4.876 bp).","results_keys":["model_metric","baseline_metric","n_train","n_test"],"status":"supported","caveat":"Difference is not significant at 5% by a supplementary Diebold-Mariano test (p=0.063)."},
 {"id":"C4","text":"Overall, the day of the week carries no detectable predictive content for daily 10-year yield changes in 2000-2019.","results_keys":["conclusion","anova_p_value"],"status":"supported","caveat":"Absence of evidence: effects below about 0.4 bp/day cannot be ruled out."}
]