Like A Four Year Old?

Here are some extracts from a pdf document available at Iowa State University.

• dresses self without much help
• walks a straight line
• understands the concepts of tallest, biggest, same, more, on, in, under, and above
• asks and answers who, what, when, why, where questions
• likes to talk and carries on elaborate conversations
• persistently asks why

Of course, I picked favorable characteristics of four year olds. There are others that are more like ... well, like what you would expect from a four year old ... or ... fill in the blank.