1. Adey P. S. and Shayer M., (1994), Really raising standards: cognitive intervention and academic achievement, London: Routledge
2. Akman C., (2005), The effects of instruction with analogy – enhanced model on ninth grade students' function achievement and attitudes toward mathematics, MA thesis, Perth: Curtin University, available at: http://e etd.lib.metu.edu.tr/upload/12606581/index, accessed 17 April 2011
3. Backhoff E., Larrazolo N. and Rosas M., (2000), The level of difficulty and discrimination power of the Basic Knowledge and Skills Examination (EXHCOBA), available at: http://redie.uabc.mx/vol2no1/contents-backhoff.html, accessed 19 February 2011
4. Baser M., (2007), The contribution of learning motivation, reasoning ability and learning orientation to ninth grade international program students’ understanding of mitosis and meiosis, MA thesis, Ankara, Turkey: Middle East Technical University, available at http://etd.lib.metu.edu.tr/upload/12608544/index.pdf, accessed 21 March 2010
5. Bean T. W., Searles D. and Cowen S., (1990), Text-based analogies, Read. Psychol., 11, 323–333