From c4e3d52f5a3bb0e439950ed9dcbe9e4549aadf97 Mon Sep 17 00:00:00 2001
From: Nicholas Karlson <nicholaskarlson@gmail.com>
Date: Sun, 9 Nov 2025 10:08:12 -0800
Subject: [PATCH] docs: add Stroop example README

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 docs/ch13_stroop.md | 19 +++++++++++++++++++
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 create mode 100644 docs/ch13_stroop.md

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+# Stroop Example (Chapter 13)
+
+**Data**: `data/synthetic/psych_stroop_*.csv` generated by `scripts/sim_stroop.py`.
+
+**Run**:
+```bash
+python scripts/sim_stroop.py
+python scripts/ch13_stroop_within.py --save-plots
+```
+
+**Columns** (trials):
+- subject: int (1–60)
+- condition: congruent|incongruent
+- trial: 1..100 per condition
+- rt_ms: reaction time (ms)
+- correct: 0/1
+
+Outputs in `outputs/`: subject-means spaghetti & trial-level violins.
+