A4
Framing & ReferenceMental Accounting
Fungibility of money should be respected
5
Models Tested
3
Confirmatory
0.676
Mean Effect
1.801
Max Effect
Theoretical Context
Theoretical Anchor
Thaler (1985)
Normative Violation
Fungibility of money should be respected
Cross-Model Comparison
Effect sizes for Mental Accounting across all tested models
OpenAI
GPT-5.4 Thinking
The Deliberative Calibrator
h = +1.801Confirmatory
OpenAI
GPT-5.3 Instant
The Directive Optimist
h = +0.804Confirmatory
OpenAI
GPT-5.2
The Steady Traditionalist
h = +0.621Confirmatory
Google
Gemini 2.0 Flash
The Consistent Optimist
h = +0.290
Anthropic
Claude Sonnet 4.6
The Cautious Contrarian
h = -0.134
Statistical Details
Full results with confidence intervals and sample sizes
| Model | n (A) | n (B) | Cohen's h | 95% CI | Status |
|---|---|---|---|---|---|
| GPT-5.4 Thinking | 50 | 50 | +1.8011 | — | Confirmatory |
| GPT-5.3 Instant | 50 | 50 | +0.8042 | — | Confirmatory |
| GPT-5.2 | 50 | 50 | +0.6209 | — | Confirmatory |
| Gemini 2.0 Flash | 50 | 50 | +0.2897 | — | Exploratory |
| Claude Sonnet 4.6 | 50 | 50 | -0.1340 | — | Exploratory |