highly significantp < 0.001
For responses associated with remembering, analysis confirmed accuracy was significantly higher at the highest bin of confidence ≥ 76 ( M = 0.79) than for all other bins [(51–75, 26–50 and 0–25, M = 0.61, 0.59 and 0.61 respectively, independent two-sided samples t -tests all highly significant p < 0.001, (Cohen’s d = 0.38, 0.46 and 0.42 respectively)].