“…They are more useful for visual learners who can memorise information contained in a picture and for learners who have good synthesis skills (Cicognani, 2000). Some studies were addressed to evaluate the effect of concept maps on students' achievements in technical areas such as science: ecology and genetics (Esiobu & Soyibo, 1995), diffusion and osmosis (Tekkaya, 2003), physics (Taber, 1994), chemistry (Brandt et al, 2001), maths (Afamasaga-Fuata'i, 2004), economics (Marangos & Alley, 2007), therapeutic education (Marchand et al, 2002), pharmacology (Laight, 2004), nursing education (Hsu & Hsieh, 2005;Gul & Boman, 2006), weathering, the nature of soil, soil erosion, erosion by gravity, and erosion by winds (Know & Cifuenttes, 2009), computer science and in theoretical areas such as psychology (Rueda et al, 2009;Elorriaga et al, 2011) or vocabulary teaching (Wilson et al, 2010).…”