Interactive Demo

The Discretion Engine

The Discretion Engine is a free, interactive learning demo from the Criminology and Criminal Justice course on Lykke. It helps you build intuition for Peelian Principles, Policing Eras, Police Discretion, Community Policing. Play with it directly in your browser — it features 4 sliders and 4 buttons. This demo lives in the “Policing and Law Enforcement” section of the course.

Preview of the The Discretion Engine interactive demo
Preview of The Discretion Engine — play the live version below.
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How to use this demo

  1. Drag the “Operational Era”, “Offense Severity: Mid”, “Suspect Demeanor: Neutral” sliders to change the inputs and watch the result update live.
  2. Use the “Political”, “Reform”, “Community”, “Homeland Security” buttons to trigger actions or reset the demo.
  3. Experiment freely — there's nothing to break, and every change is reversible.

What you'll explore

Frequently asked questions

What does the The Discretion Engine demo do?

The Discretion Engine The Discretion Engine Adjust the variables to see how an officer's "Invisible Power" shifts between a warning and an arrest. The Discretion Engine lets you explore this hands-on instead of only reading about it.

What Criminology and Criminal Justice concept does The Discretion Engine teach?

The history, evolution, and modern challenges of policing in the United States. It focuses on Peelian Principles, Policing Eras, Police Discretion, Community Policing, Accountability from the “Policing and Law Enforcement” section.

What can I control in The Discretion Engine?

The “Operational Era”, “Offense Severity: Mid”, “Suspect Demeanor: Neutral” sliders change the key inputs; the “Political”, “Reform”, “Community”, “Homeland Security” buttons run actions or reset the demo. Every change updates the visualization in real time, so you can see exactly how each variable affects the outcome.

How does The Discretion Engine fit into the Criminology and Criminal Justice course?

This course provides a comprehensive exploration of Criminology and Criminal Justice, blending theoretical frameworks with the practical operations of the American legal system. Students will examine the causes of crimi… This demo is the interactive piece for the “Policing and Law Enforcement” section. Open the full Criminology and Criminal Justice course wiki at https://www.getlykke.com/explore/public/criminology-and-criminal-justice-f6d79bda-1ca6-42f1-9940-643cb1edfe95 for notes, flashcards, quizzes and the other demos.

What will I understand better after using The Discretion Engine?

You'll build intuition for Peelian Principles, Policing Eras, Police Discretion, Community Policing, Accountability — and, crucially, see how they behave when you change the inputs, which is hard to get from a textbook or lecture on Criminology and Criminal Justice alone.

From the Criminology and Criminal Justice course

This interactive demo is part of the Policing and Law Enforcement section. Explore the full Criminology and Criminal Justice course wiki on Lykke — with notes, flashcards, quizzes and more interactive demos.

Open the Criminology and Criminal Justice course →