Full Idea
Peacocke's Simple Account fails to connect the psychology and philosophy of concepts, it subordinates psychology to specific field of philosophy, it is committed to analytic/synthetic, and (most important) its method is very sketchy.
Gist of Idea
Peacocke's account separates psychology from philosophy, and is very sketchy
Source
comment on Christopher Peacocke (A Study of Concepts [1992]) by Edouard Machery - Doing Without Concepts 2.3.5
Book Reference
Machery,Edouard: 'Doing Without Concepts' [OUP 2009], p.47
A Reaction
Machery says Peacocke proposes a research programme, and he is not surprised that no one has every followed. Machery is a well-known champion of 'experimental philosophy', makes philosophy respond to the psychology.