Autonomous Universityof Baja C alifornia,C alzad a Universid ad 14418,Tijuana 22390,Mexico. Abstract. Intelligent Tutoring Systems (ITS) represent a ...
Available online at www.sciencedirect.com
ScienceDirect Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847
! "#
$ % & & '# &()* $( ) # +,-(.#/! - )0! ! "#
& '# &()'% #1 % 2 &)#) #,( 1 % 1 & )%#3 # 345 ))% & ' % 1 2 # 6# 4 ' # #%% 1( ()# 7%1 ) &,8 )% ,# & ),4' # )# )% & # ( ) % 1 & # ## ( ) %( 1 & # ( # 1 ) % % %1 ), ) %% 2 # % & 18 8%) 4 % % % #%(%,#& %# 1 ( # %4 © 2013 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license. 9 # ,-(.#/! - )0!4#1 1(" :4 Selection and peer-review under responsibility of The Association of Science, Education and Technology-TASET, Sakarya Universitesi, % # % 1 ('3 ,"# ' &( '3"', 2 ( Turkey. ; ,'#2(4 $ % & & # &()> == D E4 '( & 8&)F&) 4)
1877-0428 © 2013 The Authors. Published by Elsevier Ltd. Open access under CC BY-NC-ND license. Selection and peer-review under responsibility of The Association of Science, Education and Technology-TASET, Sakarya Universitesi, Turkey. doi:10.1016/j.sbspro.2013.12.096
Carlos Huertas and Reyes Juárez-Ramírez / Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847
) (% 1(5 G 8) ==,' ? ==C,H %,A1 5!2 ==C :# &4" 1 3(), & %1 ))% 8%, & '#()' %) #% 3()%) 1(A 2) $8 4 I & ' , )%#1 #) 81 , # )# % % # # 4' (%2 & (#,1 &#) # & ,=7 31# & # ) 31## 31# % && & , ' ))# 2 & % 6### ) )%# 1
4' (%2 & 1# 1( ' & 1 (1(#) ) & & # ,==
1 ) 2 &# , # & %) )2 % 1#%EM # , & & 1 (# : #8 ) , G I ) 2 =M % 1( G , # #% ? )2) 4()% %, %(%' 1 & % ) &C44C4,%
#)# # # 7 &, )% '' 2 (, )% & % 2$#%%, ) # >1 ##%% % %1 )% &# ( 2 & & #4 '%#1 %(% .# , 1( ( 8 # 1 2 # 1 ( (,A % ; A; & )% "
Carlos Huertas and Reyes Juárez-Ramírez / Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847
, & ?&4 ) # ', % ) &) , 1) ) )# 4
?&44 I ' #
5 ) &) ?&4,%,# & ) &, & ! D 1 % # = % ) ) %1 )1 ) , )?&4,1),# %% %(%1 ) ) (N %% # & %1 )4 & # # 8%) %( & # ( #%%) ) 4
843
844
Carlos Huertas and Reyes Juárez-Ramírez / Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847
3 # ,)% #, ' 2 &, % # ) 2 &, ')#1 1 %1 ) ), %1 ) ( ) ) % # 1( #) # 3 (), %) 8 # & % ' % 1 ( %1 ) & & ( )) 4'%) # ()% , 8%) 2 & 1 ) 2,#8%) %1(- @' 2I & ! , % ) # % ( % > )% =>4C 2)N )% >4= 2)N ) , # )# ) 6# 6# ) 4)4') %( & 2 8%) , ' 1 ,%# # (# % # 4 ' 1 4$) I ( & # (1 ) 2
'* H , ,: ,')
- >
) >
-
)
- N
) N
-4 3
(# A #%4' I ! I8CI A' #1 #!)#) 3#''CO ( I#1: " #1 #)%! C!' 2 C3# -P'(% C 1 > >* 2 & A'4' DI ! %A' ) =$& &-' ?I# &A' >I#1" %A'
>4 >4> >4> >4D >4D 4E 4= C4E >4D >4 >4> >4 >4 4> C4E C4 C4E
C4D >4E >4> >4D >4C C4 4E C4 >4= >4D >4= >4> >4 4C C4> C4 >4
4E D4E D4 >4 >4 4D 4> 4C >4> C4= >4 >4= >4 4C 4E 4D 4
4 D4D >4D D4 >4 4D 4 4C D4 >4C D4 D4C 4 =4 4 4 4D
4C C4 4= 4E 4= 4 4 4 C4 4E C4 4E 4C 4= 4 4E 4
4 C4 C4 C4 4= 4> 4 4 C4 C4 C4 C4 4> 4> 4 4E 4D
=CM =EM ==M =EM ==M =EM ==M =CM =EM =CM =>M =>M =CM =M =EM ==M =CM
' & # (% &# ' 1 # ) & # # ( %#, 1 ,%( & % &) ) # (=>4EM,)% ) () %1 ) )# ) - @' 2 ) & ! # ) # (, ( ) #, 4&4, & 2 ) ()4 ? , ) DI ! % - @' 2, EM >,M
M N) , % #%( & 1 # , ( , 8% ( & ()##4''%(% 1 1 # &% ) &)# 1 %%%#!1 #",% 1# # & # 8 4
Carlos Huertas and Reyes Juárez-Ramírez / Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847
'%(% 48 # .# C, %) (& #% 1 2 1# % 1 (), ## % )))# ( 1(. # ( , ( #) # ,1 &) 1 ; E#, E I8>, ) 4G%1 2)# # 8%(% ). # ( 48, %(% &## & ( 1## ()1 1 #& ) , ?&4%(%# &1(6# 48#%# 44=4
?&44 ' (% ; &
3 1 ?&4,%(% # &% 4M ) O )% O, )% %,O % # # 4?) )% # # # C,=D>%1 )# I (, #)12%& & QE%24 ' # ) & &() ; # &D,>D)# % C4M , % =E4M, %% C4CM,I8DC4EM, >4M (; K &) > 4M4 ' () 1 & &)) # )%% & &#(), & ## # % ##2
845
846
Carlos Huertas and Reyes Juárez-Ramírez / Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847
! "# $ %(% 4>4C # 44=, 1 &, & (%1 1())# (1 2, C,%1 ) # ( =>M 2%( & 1 #&1 & # 3 # , )) ')%1(#) , % % # 1 )% %) %( & , ) , " ( ( & ( ) 1 )% 4 3 &( % %1 )1 &( )%) , ( % & ) &,###% #) 8) # 1 4G # & (% ( , (&# & 1# # % ) # )% & &) 8% 4' 1 % )) ( ## ( 21( 4 5# ) %# 1 8 & , 1( #% #
" , & )% '#%(% & &,8% )$ ) )%) # & &) 4
$ # # 2 2)(%-(.#/! - )0! 8% #%% % 4 G# (% # 2)# ) %1 ,
2 )7 ,3 ,I( ),3 )-, 1,% 2 ( ,.,I ,)),( , ! &,I #,(H# &,. 2&, , # ) ) # 1 24
%" 3 8 , I4 ===4 R )%# & 3 &1 R, - $ , C, ) %7NN 4) 4#24#N'IN" NN%N% %4% 3 8(A 4#11 ) 2 ) 4=4?)7%7NN1#11 ) 24)N 3 , 4@K &,I44==D4R & # && &(R4 .# 3 & "# , 4 ,4,=4R & '# &()7 & $ R4 " & &- # "- 134'4,K &,K4-4,@3 ,.4-4==D4R & # &()7 12#) )%# R,%%4E= ED43) )7" 4 ?) ,-44RG & # &()S & R,C>4 A 2) ,4 @ $8 , .4 4 R' & ) &1 # & ) )%# # R4' .# )%#3 &1 I ) "# , 4=, 4,%%4DC E
Carlos Huertas and Reyes Juárez-Ramírez / Procedia - Social and Behavioral Sciences 106 (2013) 838 – 847 . ,4@A,344R' 1 # 73 8%) %( && %(R4.# A& %( &"# , 4D, 4,%%4C >D4 :# &,K44R" # & &R4)%# "# , 4, 4,%%4 >4 2 )1#,-4,I!,-4,@# #,.44R3 & # &()R4 1&7% &4 , 44==4R & # &()73 43 & -R,C DD4 5 ,"4@G 8) , 4==4R)% & )%# # # ) ) 3 3) % (# R4 .# # I , 4, 4,%%4D =4 ( 4,4R & '# &()73# R4 ,?