The world of competitive Scrabble: Novice and expert differences in visuopatial and verbal abilities
Journal of Experimental Psychology Applied (2007) - Comment
pubmed: 17535133  doi: 10.1037/1076-898x.13.2.79  issn: 1939-2192  issn: 1076-898x 

Diane F. Halpern, Jonathan Wai