to assist the learning process of children with intellectual
disabilities. In Information, Intelligence, Systems and Ap-
plications (IISA), 2015 6th International Conference on
(pp. 1-6). IEEE.
Culatta, R. (2016). What are you Talking About?! The Need
for Common Language around Personalized Learning.
EDUCAUSE Review. Available at: http://er.edu-
cause.edu/articles/2016/3/what-are-you-talking-about-
the-need-forcommon-language-around-personalized-
learning [Accessed 03 September 2017,].
Da Silva, P.F. (2014). Mental Workload, Task demand and
Driving Performance: What Relation? In: Procedia-So-
cial and Behavioral Sciences, 162, pp.310-319.
De Souza, I., Moura, A. and Ghirello-Pires, C. (2017).
Requisitos para Aplicações Gamificadas e de Realidade
Alternada para Alfabetização e Aquisição da Linguagem
em Crianças com Síndrome de Down. In Brazilian
Symposium on Computers in Education (Simpósio
Brasileiro de Informática na Educação-SBIE) (Vol. 28,
No. 1, p. 867).
Deterding, S., Dixon, D., Khaled, R. and Nacke, L. (2011).
From game design elements to gamefulness: defining
gamification. In Proceedings of the 15th international
academic MindTrek conference: Envisioning future me-
dia environments (pp. 9-15). ACM.
Farias, et al. (2013). Moviletrando: Jogo de movimentos para
alfabetizar crianças com down. In Brazilian Symposium
on Computers in Education (Simpósio Brasileiro de
Informática na Educação-SBIE) (Vol. 24, No. 1, p. 316).
Feng, et al. (2008). Computer usage by young individuals
with down syndrome: an exploratory study. In Proceed-
ings of the 10th international ACM SIGACCESS confer-
ence on Computers and accessibility (pp. 35-42). ACM.
Fernández-López, et al. (2013). Mobile learning technology
based on iOS devices to support students with special ed-
ucation needs. Computers & Education, 61, 77-90.
Frauenberger, C. and Stockman, T. (2009). Auditory display
design—an investigation of a design pattern approach.
International Journal of Human-Computer Studies,
67(11), 907-922.
Ghirello-Pires, C. S. A. Algumas questões sobre a linguagem
oral de crianças com síndrome de down. Comunicações,
23(3), 259-273.
Gravetter, F. J. (2012). Forzano LAB. Research Methods for
the Behavioral Sciences. 4th edn. Belmont, CA:
Wadsworth, 78.
Haro, B. P. M., Santana, P. C. and Magaña, M. A. (2012). De-
veloping reading skills in children with Down syndrome
through tangible interfaces. In Proceedings of the 4th
Mexican Conference on Human-Computer Interaction
(pp. 28-34). ACM.
Holden, R. R. (2010). Face validity. Corsini Encyclopedia of
Psychology.
Hsu, C. C. and Sandford, B. A. (2007). The Delphi technique:
making sense of consensus. Practical assessment, re-
search & evaluation, 12(10), 1-8. Available at:
http://pareonline.net/getvn.asp?v=12&n=10 [Accessed
15 2017].
Jadan-Guerrero, et al. (2015). Kiteracy: a kit of tangible ob-
jects to strengthen literacy skills in children with down
syndrome. In Proceedings of the 14th International Con-
ference on Interaction Design and Children (pp. 315-
318). ACM.
Larman, C. (2004). Agile and iterative development: a man-
ager's guide. Addison-Wesley Professional.
Leffingwell, D. (1997). Calculating your return on invest-
ment from more effective requirements management.
American Programmer, 10(4), 13-16.
Martin, G. E., Klusek, J., Estigarribia, B. and Roberts, J. E.
(2009). Language characteristics of individuals with
Down syndrome. Topics in language disorders, 29(2),
112.
Owens Jr, R. E. (2013). Language disorders: A functional ap-
proach to assessment and intervention. Pearson Higher
Ed.
Park, I. and Hannafin, M. J. (1993). Empirically-based guide-
lines for the design of interactive multimedia. Educa-
tional Technology Research and Development, 41(3), 63-
85.
Plowman, L. and Stephen, C. (2007). Guided interaction in
pre-school settings. Journal of Computer Assisted Learn-
ing, 23(1), 14-26.
Ravden, S. and Johnson, G. (1989). Evaluating usability of
human-computer interfaces: a practical method. Halsted
Press.
Roberts, J. E., Price, J. and Malkin, C. (2007). Language and
communication development in Down syndrome. Devel-
opmental Disabilities Research Reviews, 13(1), 26-35.
Rogoff, B., Mistry, J., Göncü, A., Mosier, C., Chavajay, P. and
Heath, S. B. (1993). Guided participation in cultural ac-
tivity by toddlers and caregivers. Monographs of the So-
ciety for Research in Child development, i-179.
Shih, T. K., Squire, K. and Lau, R. W. (2010). Guest editorial:
special section on game-based learning. IEEE Transac-
tions on Learning Technologies, 3(4), 278-280.
Shneiderman, B. (2017). Designing the User Interface: Strat-
egies for Effective Human-Computer Interaction. Pear-
son, London, UK.
Spirkovska, L. (2005). Summary of Tactile User Interfaces
Techniques and Systems. NASA Ames Research Center;
Moffett Field, CA, United States.
Sweller, J. (1988). Cognitive load during problem solving:
Effects on learning. In: Cognitive Science. 12. pp. 257-
285.
Terton, U. and White, I. (2004). A Computer-based Educa-
tional Adventure Challenging Children to interact with
the Natural Environment through Physical Exploration
and Experimentation. In CSEDU. 3. Pp.93-98.
Tharp, R. and Gallimore, R. (1989). Rousing schools to life.
In: American Educator, 13(2), pp.20-25.
Torrente, et al. (2012). Designing serious games for adult stu-
dents with cognitive disabilities. In Neural Information
Processing (pp. 603-610). Springer Berlin/Heidelberg.
Wells, G. (1999). The Complementary Contributions of Hal-
liday and Vygotsky to “Language-based Theory of
Learning”. University of Cambridge Press, UK.
Wood, D., Bruner, J. and Ross, G. (1976). The Role of Tutor-
ing in Problem Solving. In: Journal of Child Psychology
and Psychiatry. 17, pp 89-100.