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README.md

COIL PHP – Published Results Table (IRB-safe Recreation)

This package recreates the final manuscript results table for the COIL PHP manuscript using published summary statistics only.

What this is

  • A frozen, publication-aligned table recreation.
  • Intended for transparency, teaching, and reproducibility documentation when participant-level data are IRB-protected.

What this is NOT

  • This is not a re-analysis of participant-level data.
  • This does not recompute t-tests or p-values from raw observations.

Files

  • coil_php_published_recreation.py — script that prints the table and optionally exports CSV/XLSX
  • COIL_PHP_published_recreation.ipynb — notebook version of the same table
  • METHODS_language.md — methods/notes file (see below)

How to run

pip install pandas openpyxl
python coil_php_published_recreation.py

Outputs (optional)

If left enabled in the script, it will write:

  • results_table_published.csv
  • results_table_published.xlsx

Notes on p-values

The manuscript p-values are presented as published. They are not recomputed from rounded t-statistics because rounding can change computed p-values at the reported precision.

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Collaborative Online International Learning (COIL) module evaluation using t-test and Cohen's d effect size

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