I discussed in two earlier posts the broad argument of John Dewey's book, HOW WE THINK, introducing a philosophical foundation for a theory of education in which schools have the goal of teaching how to think critically. This week I would like to focus three posts on a single important, though rather dry, issue within that book. What are concepts and how are THEY formed? According to Dewey, a conception is simply "a definite meaning which is standardized." As Dewey would have known, William James once offered a two-word statement of the same point, "thingumbob again". How do we acquire these standardized meanings? Most especially: how do we acquire concepts that may be considered somewhat abstract, where for example the standardized meaning allows for variation? Dewey offers a nice run-down of the standard account here before offering his own. The standard account (one may call it Baconian) is that a child begins with a lot of different particular things. ...