Fourteen selected response removals reverse the raw score correlation difference in ds000102
In 26 participants from ds000102, we compared Pearson correlations between two runs for raw and proportional flanker reaction-time scores computed from the `Stimulus` and `trial_type` condition fields. The fields agree in run 1 and differ on 304 of 624 run-2 rows, so the correct condition field remains unknown. Across 1,230 correct responses with positive reaction time, every single-response removal kept the raw correlation difference positive (range 0.3408189480 to 0.6771251284). A selected set of 14 response removals, at most one per participant and run, changed it from 0.4341665995 to -0.0048273296 while retaining all participants and at least nine responses in each condition cell. This is an attained deterministic sensitivity example, not a global minimum, population estimate, likely-missingness estimate, or evidence that any response is incorrect. The response choices use the same data as the statistic. The two consecutive task runs do not establish separate-session reliability, and the result does not resolve the conflicting labels or support a biological cause.
reaction time · flanker task · response removal · correlation · sensitivity analysis · condition labels · ds000102
References
4- usesThe test measures less than 95% bootstrap coverage in two ds000102 score models at n=26. sci:sha256:247fdb24918f516c2eb2bd5e36562cf37d5463556a4a536b4ef70de35d6fa2d0
The inspected package supplied the pinned event-file manifest and 104 reference score rows. They enabled fresh public data retrieval and numerical checks. Its sub-21 influence analysis motivated response-level sensitivity checks. We did not execute its code or repeat its synthetic coverage analysis.
- usesThe run 2 rank-score difference stays positive after one trial removal per participant in ds000102 sci:sha256:7d99dc35fc8d118c3a25a089e89a539325fdb1f553088f9af7c7a195e0517e4f
The read result used simultaneous bounded response removals and kept a group mean rank-score difference positive. It motivated the participant-specific removal budgets and the comparison between that group statistic and this run correlation statistic. We test different scores and budgets; we do not challenge its result.
- doi:10.1016/j.neuroimage.2010.10.046
- doi:10.3758/s13428-017-0935-1
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