Educator · Reasoning
Reasoning
Probability, expected value, house edge, and the cognitive distortions that hide them.
Why Reasoning matters
Understand probability, house edge, expected value, and the thinking traps that distort risk.
Your progress in Reasoning
Reasoning mastery
0 of 10 mastered1 in progress · 9 not started
Units in this domain
Unit · 5 items
Five lessons: parlay EV math, house edge across products, skill versus variance, cognitive distortions, and how apps exploit them. Each lesson ends with a six-question check; the unit closes with the Reasoning audit capstone.
0 of 5 mastered
- 01reasoning · 55mParlays, Probability, and Expected Value
Three-layer professional learning: the math (implied probability, EV, vig, parlays), the brain moves that compete with the math in real time during simulation (loss aversion, sunk cost, near-miss, certainty), and the transferable consumer-decision skill students leave with.
Start - reasoning · 35mThe House Edge Across ProductsLocked
- reasoning · 35mSkill, Variance, and Why Sharp Bettors Still LoseLocked
- reasoning · 40mThe Brain Tricks That Help You LoseLocked
- reasoning · 35mHow Apps Exploit These TricksLocked
Supporting materials
Handouts, references, and guides that pair with this unit.
Research Source Library
Per-domain citation library covering every claim in the curriculum, with usage guidance for parent, admin, and media conversations. Names the gaps in the source base where they exist.
Financial Literacy Alignment Guide
A standards crosswalk mapping Safe Bet lessons to JumpStart, Common Core math (S.MD / S.IC), NCSS C3, and NHES standards. Includes a copy-paste pitch for admin and curriculum committee conversations.
Reasoning Unit: Educator facilitation
How to teach the Reasoning unit: pacing, running the Decode a Saturday lab, and debrief prompts.
Research citations
External academic sources that inform this domain.
Cantinotti M, Ladouceur R, Jacques C (2004). Sports betting: Can gamblers beat randomness? Psychology of Addictive Behaviors, 18(2), 143–147.
Experimental study: even expert hockey bettors picked outcomes above chance — but achieved no greater monetary gains, because the sportsbook’s vigorish is structured so that picking-skill alone cannot overcome it. Foundational evidence that sports-betting “skill” is largely cognitive distortion.
Open sourceGoodie AS, Fortune EE (2013). Measuring cognitive distortions in pathological gambling: Review and meta-analyses. Psychology of Addictive Behaviors, 27(3), 730–743.
Meta-analysis across six measurement instruments confirming large, robust effect sizes for cognitive distortions — including illusion of control, gambler’s fallacy, and predictive control — in problem gambling.
Open sourceClark L, Wohl MJA (2022). Langer’s illusion of control and the cognitive model of disordered gambling. Addiction, 117(8), 2126–2129.
Authoritative review establishing illusion of control and the gambler’s fallacy as the two best-characterized cognitive distortions in gambling, central to CBT-based treatment.
Open sourceNCAA (2023). National Study on Sports Wagering Among 18–22-Year-Olds. NCAA Research.
58% of 18–22-year-olds have engaged in sports betting; 67% of on-campus college students bet, with mobile apps the dominant method. 6% reported losing $500+ in a single day.
Open sourceAmerican Gaming Association (May 2024). State of the States 2024 — The AGA Survey of the Commercial Casino Industry.
Sports betting revenue grew 446.1% to $11.04B in 2023. State-by-state hold rates show parlays drive a disproportionate share of operator revenue (e.g. NJ 2024: parlays ~27% of wagers, ~72% of sportsbook revenue).
Open source