Certainty Beats SeverityThe most replicated finding in deterrence research, and what follows.Criminal JusticeDeterrence depends far more on the perceivedcertainty of being caught than on the severity of thepenalty imposed.Certainty > swiftness > severityLonger sentencesLittle deterrent gainSeverity effects weakMore visible patrolDeterrent effect foundRaises perceived riskSlow, uncertain caseWeak deterrenceCertainty is lowTHE COMMON MISTAKERaise the maximum sentence to deterRaise the chance of detectionReviews consistently find severity has weak or no marginal deterrent effect,while perceived certainty of detection does deter.Educational reference. This finding is heavily replicated, though effectsizes differ by offence, population and setting.Certainty Beats Severitylearnposters.com
Certainty Beats Severity — printable law & society wall chart from LearnPosters. Free vector PDF, US Letter and A4.

What’s on the Certainty Beats Severity poster

The rule, 3 worked examples, and the mistake everyone makes.

Educational reference. This finding is heavily replicated, though effect sizes differ by offence, population and setting.

Questions about the Certainty Beats Severity poster

What’s on the Certainty Beats Severity poster?
The rule, 3 worked examples, and the mistake everyone makes. Deterrence depends far more on the perceived certainty of being caught than on the se…; Certainty > swiftness > severity; Longer sentences = Little deterrent gain; More visible patrol = Deterrent effect found; Slow, uncertain case = Weak deterrence; Common mistake: Raise the maximum sentence to deter → Raise the chance of detection. Educational reference. This finding is heavily replicated, though effect sizes differ by offence, population and setting.
Who is the Certainty Beats Severity poster for?
Certainty Beats Severity belongs to the Criminal Justice section rather than to a school year, because law & society is not something one grade owns. Anyone learning policy & evidence can pin it up — a beginner, a student mid-course, or someone revising years later.
When should you use the Certainty Beats Severity poster?
Use it whenever a longer maximum sentence is proposed as a deterrent. A wall chart earns its place by being glanceable from where the work is happening, so Certainty Beats Severity belongs on the wall where that law & society work actually happens, within glancing distance, rather than filed away.
What other posters go with Certainty Beats Severity?
Cost-Benefit in Justice Policy, Measuring Disproportionality and Drug Policy and Evidence sit alongside Certainty Beats Severity in the Criminal Justice section. Printed together they make a wall rather than a single sheet, which is how a reference set actually gets used.Cost-Benefit in Justice PolicyMeasuring DisproportionalityDrug Policy and Evidence
Is the Certainty Beats Severity poster free to download and print?
Yes. Certainty Beats Severity downloads as a free PDF with no account, no email and no watermark, like everything else in the Criminal Justice section. Print as many copies as you like for a home, a classroom, a library or a tutoring group; reselling the file is the only thing the licence rules out.Read the licence
What size does the Certainty Beats Severity poster print at?
Certainty Beats Severity is a vector PDF laid out for US Letter, and prints on A4 with Fit to page — the same file, no separate download. Because every mark on it is drawn rather than photographed, it stays sharp enlarged to A3, A2 or A1 at a copy shop. Colour carries emphasis only, so a greyscale print of Certainty Beats Severity loses nothing.Printing guide

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