A practitioner observation supporting separate native- and normalized-proof evaluation; not a controlled trial, not a universal dilution ratio, and not an assurance that estimated drops reach target ABV. Original PDF screen 78, reader location 519.
Carlton, 2017, first edition. E-reader screen captures; not printed page numbers.
In Carlton's private-barrel selections, participants first taste at barrel strength, then sometimes with water when the selected barrel will be bottled at the brand's usual lower proof. She reports that adding water has sometimes changed which barrel the group selected. Barrels of the same batch and age are not necessarily alike.
Original PDF screen 78
Original PDF screen 76
Chapter 2 — A Limited Edition of One
Paraphrase checked in full-source reading with visual review. Verified means fidelity to this supplied source, not independent confirmation. A practitioner observation supporting separate native- and normalized-proof evaluation; not a controlled trial, not a universal dilution ratio, and not an assurance that estimated drops reach target ABV. Original PDF screen 78, reader location 519.
Evidence
In Carlton's private-barrel selections, participants first taste at barrel strength, then sometimes with water when the selected barrel will be bottled at the brand's usual lower proof. She reports that adding water has sometimes changed which barrel the group selected. Barrels of the same batch and age are not necessarily alike.
Location and context
Chapter 2 — A Limited Edition of One. Original PDF screens 76–78; these are capture indices, not printed pagination. 
Annotation
A practitioner observation supporting separate native- and normalized-proof evaluation; not a controlled trial, not a universal dilution ratio, and not an assurance that estimated drops reach target ABV. Original PDF screen 78, reader location 519.