Full Idea
Because of their narrow focus, children's sensitivity to categories as the basis of induction is a reasoning bias that, though useful much of the time, results in systematic errors.
Gist of Idea
Children make errors in induction by focusing too much on categories
Source
Susan A. Gelman (The Essential Child [2003], 06 'The role')
Book Reference
Gelman,Susan A.: 'The Essential Child' [OUP 2005], p.150
A Reaction
This is the bad sense of 'essentialism' which worries its opponents. Presumably, though, my favoured scientific essentialism will be 'scientific', and avoid this problem. The relation between categories and induction needs to be clear.