Although there has been much empirical study within what has been referred to as "functional approaches to child language," there has yet to be a major attempt to compare and contrast such proposals. In addition, much of the work carried out within child language from a functionalist perspective has not been specific with regard to the nature of the approach adopted. In attempting to fill the gap, the author of this book begins with a comparison of various functionalist approaches. By concentrating on one domain -- agentivity and control -- Budwig develops a set of research questions based on...