Confidence weighting changed accuracy ranks and increased correlation between memory trial sets in ds000030 controls with at least 64 valid responses

We compared accuracy and a confidence score for memory retrieval in OpenNeuro ds000030, version 1.0.0. The primary sample had 81 controls with at least 64 valid responses. The confidence score reversed 155 of 3,200 participant pairs with different accuracy values. This rate was 4.84 percent, with 95 percent confidence limits of 3.21 to 6.84 percent. Across balanced trial sets, mean Pearson correlation increased from 0.879 for accuracy to 0.917 for the confidence score. The increase was 0.038, with confidence limits of 0.027 to 0.051. The increase remained in controls with complete responses. The package preserves 208 source event files, scores, code, input hashes, plans, and validation checks. These measurements concern one session. They do not establish reliability between sessions or effects in the brain.

memory retrieval · confidence weighting · accuracy · rank reversals · Pearson correlation · OpenNeuro ds000030