1. Research on vocabulary instruction: Voltaire Redux;Baumann,2003
2. Elaboration of ideas in prose production;Benton;Journal of Experimental Education,1988
3. Chai, C. (2005). The development and validation of procedures to assess writing plans. Unpublished doctoral dissertation, The University of British Columbia, Canada.
4. The phenomenology of writing by hand;Chandler;Intelligent Tutoring Media,1992
5. Statistical power analysis for the behavioral sciences;Cohen,1988