Influence: The Psychology of Persuasion · chapter 7 · id influence-c7-05-the-dade-county-phosphate-ban-
“The Dade County phosphate ban (1972) demonstrated reactance -- residents rated banned phosphate detergents as gentler, more effective, and better-pouring than residents in nearby Tampa where detergents were still available.”
VERIFIEDconfidence: high⚠ extracted by pipeline, re-audit pending
Receipts
Mazis, Settle & Leslie (1973), Elimination of Phosphate Detergents and Psychological Reactance, JMR 10DOI registry: valid
Dade County residents rated phosphate detergents as gentler, more effective, more powerful on stains, and easier pouring compared to Tampa residents.
Steindl et al. (2015), Understanding Psychological Reactance: New Developments and Findings, Zeitschrift fur Psychologie 223(4)DOI registry: valid
Reactance theory research confirms that restrictions on consumer choice consistently increase preference for restricted options, as demonstrated in field and lab studies including product bans.
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