Project overview
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In this project, we calculated multiple reliability metrics for the Alternating Serial Reaction Time (ASRT) task, in a large sample of 180 subjects.
Data
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The ASRT_master csv file contains the only dataset that this project was based on. We now offer a short explanation of each variable.
- Subject: Participant ID
- Block: Block number (out of a total 45)
- ACCmean: Mean accuracy of subject per block
- RTmean: Mean RT of subject per block
-CorrectResponse: Key on a
standard (Hungarian) QWERTZ keyboard, that corresponded to the
correct response in a given trial
- event: Trial location among 4 possible locations (same information as CorrectResponse, but in the more abstract space)
- finalRT: Final reaction time of trial, i.e. duration from stimulus presentation to correct (not necessarily first) response
- firstACC: Accurate or not. Based on first given response. 1 = accurate, 0 = inaccurate
- firstRESP: First response key pressed
- firstRT: First reaction time of trial, i.e. duration from stimulus presentation to first (not necessarily correct) response
- LearnTrialList.Cycle: Sequence cycle (8 trials in a sequence)
- TrialType: Type of trial, based on generative model. Prac = Practice, R = random, P = Pattern.
- TripC: Triplet
- TT: Triplet type based on probability, see the manuscript for more details on how this is calculated and what it means. H = High-probability, L = Low-probability
- epoch: Epoch (1 epoch = 5 blocks)
Code
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There are two R scripts, associated with the results of this project.
ASRT_reliability_main.R calculates the main analyses. It loads and preprocesses the master datafile, then proceeds to calculate the various reliability metrics presented in the manuscript.
ASRT_reliability_permus.R performs the permutation based analyses, in order to estimate the scaling of obtained reliability with task length and sample size.
Note that due to the permutations, these scripts my take a relatively long time to run. You can change the nr of permutations by changing the variable N, in the beginning of both scripts.
