How much literature review is enough?

This is a response I gave to a fantastic question: How much literature review is enough? My reply: First, think of the lit review chapter as being "book-ended" by the introduction (chapter 1) and the methods (chapter 3)– assuming you are doing a standard 5 chapter dissertation. Then the amount of lit review (conceptually) should be the "filler" to tie together chapter 1 and chapter 3. You don’t want to introduce too much in your lit review that does not have …