Stroop Test – Football Players

Stroop Test – Football Players

Cognitive performance assessment for football decision-making

Player registry

Players list

Select Name Club Position Age Delete
Instructions and football relevance

How the Stroop Test relates to football performance

The Stroop Test measures three key cognitive abilities that are crucial in football:

  • 1. Inhibitory Control – Ability to ignore irrelevant information (the written word) and respond only to the correct stimulus (ink colour).
    On the pitch: ignoring distractions, crowd noise, opponents shouting, external pressure.
  • 2. Processing Speed – How quickly the brain analyses a stimulus and produces a response.
    On the pitch: rapid decisions in tight spaces, immediate passes, reading trajectories.
  • 3. Selective Attention – Focusing on the correct detail even under cognitive stress.
    On the pitch: choosing the right passing lane, anticipating movements, reacting to game changes.

On screen you will see a colour word written in a different ink colour. The player must click the ink colour , ignoring the written word.

A short PRACTICE of 5 trials is available and is not stored in the log. Each completed test session is stored locally in the browser and can be exported as a CSV file.

Stroop Test

1. Select a player from the list.
2. Choose PRACTICE or TEST.
3. Respond by clicking the correct ink colour.

Results and comparison

Last result (selected player)

Date Player Trials Correct Errors Mean RT (ms) SD RT (ms) CEI

Session log – all tests

Date Player Club Position Age Trials Correct Errors Mean RT (ms) SD RT (ms) CEI

Comparative statistics

Player Club Position Age Sessions Mean correct Mean errors Mean RT (ms) Mean CEI
Print
CEI – Cognitive Efficiency Index

CEI – Cognitive Efficiency Index

BESC Cognitive Performance Framework – Normalized scale for football decision-making.

1. What is the CEI?

The Cognitive Efficiency Index (CEI) is a composite indicator that integrates accuracy(correct responses) and processing speed(reaction time) into a single efficiency score. It reflects how effectively a player transforms cognitive processing into fast and correct decisions.

In this system, CEI is expressed on a BESC normalized scale, aligned with the classification ranges used in performance evaluation (3.0–8.0).

2. CEI Formula (Standard + Normalized)

Step 1 — Raw Cognitive Efficiency

CEI_raw = (Correct Responses / Mean Reaction Time in seconds) × 10

Step 2 — BESC Normalized CEI

CEI_norm = CEI_raw / 40

All CEI values displayed in tables and dashboards use CEI_norm.

3. CEI Triangle

CEI integrates three core cognitive dimensions essential for football performance:

CEI Inhibitory Control Selective Attention Processing Speed

A higher CEI_norm indicates a more efficient integration of these three components.

4. CEI Classification (Normalized)

Standard BESC reference values for adult competitive players.

CEI_norm Range Classification Football Interpretation
≥ 8.0 Excellent Elite-level cognitive efficiency. Fast, accurate, stable decision-making.
5.0 – 7.9 Good Above-average efficiency. Good balance of speed and accuracy.
3.0 – 4.9 Average Adequate but improvable. May struggle under high pressure.
< 3.0 Low Slow or error-prone processing. Difficulty in fast match situations.

5. CEI Dashboard (per player)

This dashboard is populated dynamically from Stroop Test sessions.

Current CEI (Norm.)
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Mean CEI (Norm.)
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Classification
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CEI history (last sessions)
Date Trials Correct Mean RT (ms) CEI (Norm.)