L'identificazione del DSL in età scolare: analisi delle categorie funzionali in narrazioni semispontanee

(1)

(2)

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(3)

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(4)

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(5)

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(6)

A' 1 C "+ #'*' #(A * , *'$ " A' " =* * 1 A' $ ( '( '$ A# %+A *'- 8 * " "' %* " ## .' *F@ CA (A C * $- " * '#'$ +# % 1 = ( = $'.' "+ (A $#'" "$ (A $#'" C A '( 1 ( "+% +' - #-'" +'$ ! =' #* A' - 1 A' * %$= * " =*' A' 1%"( " ( '+ # '* %"$'# +'"'# .' # (A@ " #$'# .'# 1= A' , = 1 " ## .' '* $ *(# - " ' ,' C''" A' C % "* A * '* * , *'$ " A' * #= , F B # +@ CA'#' #' = %D "$ C * # . $'$ ,= # $ . " @ *=(A + * A' ( G' A % A # = " $'" @ "$ # '* %(( A * C #F * # * C A +'"'# ( .'#. 'C " "+% +' ()% * " " = ( = $'.' "+ (A $#'" "$ (A $#'" C A '( 1 ( "+% +' - #-'" "$ =* * '( 1 ( '" " 1%"( " ( '+ # '* A' # ( " *9 $ 11'#'" +' * # (% # = - # " * "(' C* 1 C , A A' "+% * ( "$ (# " + ( $'.' -'" A'"@ - .'* A' $'*(# " 1 A' * %$= ( "$%( '$ ,= A' #'*' #(A +# % " $'" @ #' # "+ A' "%-,'# 1 # ( " *@ A' - '# A'= %*'$@ A' #'*% * "$ A' ( "( %* " %# "+ A' # * %$=@ A'= %*'$ *'.'# '. % " "$'H'*@ #' '$ A#'' $ 11'#'" 1%"( " *'( #*; + , * #%( %#'@ ( "+% * ( * #%( %#'@ "$ # +- ( -'(A " *-* "+% * ( * #%( %#' * A' - * - # " *'( # 1 # %# + * # "+ 1# - A' # ( "( %* "*@ ' A' $' A A' '. % " 1 A' " ## .' , '* *A % $ ,'( -' ** , ' "* #%-'" *% '#. *' "$ '. % ' % ( -'*@ A * * %$= 'H - "'* A' #' '11 ( '"(= 1 " ## .' '* " $'" 1= "+ (A $#'" C A + '* A# %+A )% " .' "$ )% .' " =* * 1 A' $ ,*'#. "+@ - "+* A'#*@ A' ( " 'H * " CA (A A'*' 1%"( " ( '+ # '* #' - * = - '$ # #' # $%('$ " C# "+ C = A * *'( " * * #%( %#'$ " A#'' - " *%,8*'( "*@ $' '"$ "+ " A' ,*'#.'$ ( '+ #=; $' '#- "'#*@ ( ( # " %"*@ "$ #' * "* # ' (A ( '+ #=@ #' # * A' $ , A 1# - = ( = $'.' "+ (A $#'" "$ 1# -(A $#'" C A "$ ( - #'* A' # # $%( "* A'#'1 #'@ %* # '* A' #'*% * ,= %* "+ *'.'# , '*@ $ *(%**'* CA '-'#+'$ 1# - A' * %$= "$ ( - #'* A'-C A A' 'H * "+ $ " A' '# %#' A' " =* * * ( "$%( '$ " $' '#- "'#*@ ( (* "$ #' * "* 1 " = ( - #'* A'*' 1%"( " ( '+ # '* "' A' A'# " #$'# $'" 1= CA (A 1 A'- * - #' - #'$

(7)

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(8)

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(9)

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

(10)

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'# )% " # +% #$ # $%& "'@ "+% ++ " & $ '-'#+'#' +# & ' '#('& "' $'+ * - * " # #'*'" "' 9 -, '" ' ' *%(('** . -'" ' ( " # ' & "' $ ( J (A' , -, " A "" '#(' " * '** @ " " * " ' " " ** '**'#' ( "* $'# ( -' .'# ' # # "+% ++ @ ( * % *(' %" # - 1 #- $ ( -%" ( & "' '$ " '# & "' # , -, " ' +'" #' ' # -' # * ' +# $ " ( - " " #" 84 -'* @ '# $ " (% "' " ( - "( ( " # #' # # * * '- "'#. * ('" # ' ' ( "*'+%' %" $ - "%& "' $' 1#')%'"& $' - . -'" # 1 '** $' , (( " 1 . #' $ %" ( - # -'" *'- #' I . " #

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%'* 1 *' ? $%")%' % ' "' " '# - #' ' # # ' # $%& " '@ #'*M@ '# 11 " #' ( " # - # ' *. % #' %" - ++ #' 1 %'"& "+% * ( *% **'"& #',,' * +" 1 ( #' #'*'"& $ %" # #$ $ * %#, $' "+% ++ * * " $%' $ & "' (A' ** ( '* * '#'; & "' ' & "'

(11)

" '" # -, ( * ' * ,' * " ( * % ' $ 9 '#" "& $ *% " . ( ( ' *% " ( "* " " ( L % . @ -'" #' "' # - ( * "' " # ' ' *'- #' * '** * , <'* , , , >@ "' *'( "$ ( * * , ( -, <'* , $ , > " & -'" ' *% " # $ * " ,, * "& - @ "' " *. % %" #'1'#'"& '# ' . ( - ++ #-'" ' # $ ' "' # # "+% - $#' 9 # # " )%'* '# $ (A' " & #'$ +'#' *% " $ * " . $' "+% )% ' ? '* * ' *%, #' "1 %'"&' $ * '( 1 ( -, '" ' "+% * ( " (% ? "*'# %# " ' 1 *' $' & "' "' " A - $ $ *( #' # # . (' ' .'# 1 ( #' " (A' - *%# *% " (A' # $%(' * .. ( " " *% " %$ $ + $% # ( -%")%' $ # $%& " "( # # .' $ ( " '"% *'- " ( '# )% " # +% #$ & "' - "% ' # $ $ , -, " * #$ @ '** " " * $ *( * $ # $%& "' $' , -, " %$'" ; ?( * % $ # ' & "' $ *'+-'" *'+" ( @ # # $%(' # - ' $%# $ %" *'+" #%$ -'" ' '$ ? * - ' K%* $' K (('" ' $' K " " & "' "' & "' $' , -, " %$'" " #'@ '" # -,' '-'#+ " ( #( *' ' -'* $ ' 2@ * " $# "'++ $ '( -'* ' #'*'" " ( -, " & " 1 " + ( -'" ' ( '#'" ( " '** ( $' "+% < ' ' #'" ' '@ 33 > 9 $' $ 1 "$ ? (A' 1 *' $' & "'@ "$ '"$'" '-'" ' $ - $ 2 '* #'** . % && $ , -, " @ ? %" * ' " %# ' ' "'('** # $' # ('** $ ()% * & "' $ %" "+% @ # .'#* )% ' , -, " %J ( * #% #' %" * * '- "+% * ( - %# @ # $ $ %" * " "+% ++ "" ' - $ '@ (A' " " $ '"$' " (%" - $ $ - $ 2 '* #'** . %# " ' )%'* 1 *'@ % . @ , -, " " " ? "( # '" -'" ' ( "* '. ' $' ' '"& 2 ( -%" ( .' $' "+% ++ " )%'* #'* $ ( *( '"& # ( # " %" #% 1 "$ -'" ' +'" # @ (A' ** " ( + '#' ( - # -'" #'.'#, $' , -, " '$ # ,% #' # " '"& " 2L " )%'* - $ , -, " * " * # " $ % && #' "% . -'" ' ' * '**' 1 #-' ( -%" ( .'@ )%'* . " - $ " '"& " ' ' # -' 1 #-' ( -%" ( .' " " * " ( * % ' * -'" ' $ " ' . ( && @ - * " (( - +" ' $ %" - ++ #' # ('#( $ '"& "' ( "$ . * @ ( * % $ %" ( " (% #' ( " 9 " '# (% #' ' $ . " 2 $ $ #'& " #' *+% #$ .'#* %" ++' ( -%"'@ $ %" %* $ * * '"* "' (A' #'('$' # * * $ # ' $' 9 $% ' $ %" *'# ' $ ' '-'" +'* % < '## ' @ 066 > %'* % - * # # ## "" '# # - "" $ . ' ** " '**'#' *%$$ . * " +'* ' +'* ; -'" #' # - * " * #' -'" ' '+ ( " '* "

(12)

(% * " # $ @ '#(AE % && '# # 1'# #* $ ++' * % & " #'*'" @ *'( "$ A "" %" * +" 1 ( "$ '"$'" ' "(A' " )%'* ( * @ ( -' '# & "'@ ? ** , ' "$ . $% #' %" # ' # & "' %$'" ' ' & "' * #$ L "' # # - $%' "" $ . % , -, " @ "$ '"$'" '-'" ' $ $ " % (A' # ('. " @ # ( ## " - $ 2 - "% ' '# ( -%" ( #' '$ ? * ' 1 "$ -'" ' "' 1 *' $ # "* & "' $ %" $%' ' '-'" ( * % . $' 1# *' < #( ' @ 0660> " $ " '#'** " ' # +% #$ ".'(' # ( -, " & "'@ " )% " * " , -, " * #$ #'*'" . " 9 (( * -'" $ $%' +'* # #'*'" . %'* $

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

(13)

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

(14)

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

(15)

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

'*'-' 1# * #'*'-' .'; ' '# & " * " (A' #'. * ' " )%'* '"%"( * " 1 #- & "' $ %" # (( <' '-'" .% " " # "%"( >@ K **'+" & "' $' #% '- (

# (( ' (#' & "' $ %" ( '" (A' # *1'# *( #% '- ( $ * & "' $ , *' " (% " *(' ( * %'" ' * & "' $ ## . $' 9' '-'" - ** ' %" $ )%'* * ' ? $'1 ( # @ ( - #'"* "' ' # $%& "' $' 1# *' * " ( - # -'**' " #'@ " , *' * ' - "( " '@ * %J 1 #' %" $ * "& "'

K " '#" $' & "' ( " $'1 ( "+% * ( @ # (% @ * #$ ' 1 * ( +# -- ( 9 ** , ' 1 #' %"9% '# #' $ * "& "' *% , *' $' $ * "& (A' " '#( ##' # * & "' " (% K' '-'" . '"' # "%"( ' * & "' " (% '** . '"' " '# #' ; " )%' ' * ++' @ " (% K' '-'" - "( " ' A 1%"& "' $ * ++' $' .'#, *%, #$ " @ )%'* $ * "& ? I ,#'.' -'" #' "' ' #' .' '

(16)

" '## + .' ++' * " #'*'" ' '-'" $ $ * %#, (A' " '#.'"+ " K " '#" $' ( '" * " ( ' # -'@ - " '"'"$ %" #$ "' ( " " ( $' ( * %'" @ * " " '# #' ' I 1 ( -'" ' * $ & "' *. % ( * $ ' & " ( " # , '- "+% * ( .. -'" ' ( "* $ -'" $' "+% ( " "%'#2 " ' 2 *( #'; , -, " ## ((A #2 # # . ( , # ' #'"$'#2 " - $ '* ( ' #'+ ' +# -- (

' * " (A'@ #' *. % #' 1%"& "' # +- ( ' '"& #' "+% ++ ( -' * #%-'" $ '"* '#

,&

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< > * " '"$' %" ( "$ & "' " (% ? #'*'" ' %" $ * %#, "+% * ( " **'"& $ $ *1%"& " "'%# + (A'@ $ * %#, - # @ $'1 ( ( +" . * #$ 2 .'# 1 ( )% "$ %" $ ** ( & "' # ' , 2 "+% * (A'@ $ %" @ ' ' #' , 2 ( +" .' <-'- # @ '#('& "' ' '"& "'> $ 9 # L '#- "' "' * "' " %# #' -'" ' "+% * ( 9 %" $ * %#, (A' " '#'** ( #( /N $' , -, " ' *'-,# '**'#' 84 . ' I 1#')%'" ' "' - *(A # * ' ' 1'-- "' < + ' ,,# @ 066!> " * " ' "%-'# * * %$ *% )%'* & "'@ " & )% * $%'('" "" 1 @ 9 # + "' $' $ * %#, #'* "( # ( (A # L *'-,# % . *'- #' I $ (%-'" 1 # ' ( - "'" ' +'"' ( < (' ' @ 337L . " $'# ' = ' C'#(F@ 33!L *A @ # A ' " "@ 33 L *A @ $ -* ' #,%#=@ 066!> ,' @ ' , # $ ' " #$ <06 4>@ - * # + * ' #'* " ( "* $'# & "' '# $'" 1 ( #' %" * ++' ( " * %#, '( 1 ( $' "+% ++

(17)

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

(18)

'*'- @ A "" '* *. % "+% * ( " %" +#% $ , -, " $ "" @ (% '# * $ +" * ( 9' 2 $ / "" ; * " 0N *'-,# .'# # * # , '- @ -'" #' 7N # '" # "( # "' # -' # $' ' "' #'* " , -, " '#* * ' %" "+% ++ "1'# #' " #- # # + && '* # - . *' ' "" ' "% . -'" ' .'" )% # @ - * # " '#* * '" $ 11 ( 2 "+% * (A' "' ' " '# & " ' "' # (( " @ ( " %" * " ** ( *. % < CA $ ' @ 0666> * '** # *% '-'#+' " %" * %$ ( " # + && $ ' 2 *% '# #' < 4 "" >@ ( " # *. "'+ . " -, * ( ' ' - '+ & < C ' @ 0663> $ * %#, '#* * '" ' %J "1 .'#' # '#(%** " " . # -, ; (( $'- ( @ * ( '@ '- . '$ '( " - ( < ' " #$@ 06 4> * %#, '( 1 ( $' "+% ++ * $ * "+%' $ * %#, '( 1 ( $' 9 #'"$ -'" < >@ (A' ? " +'"'#' $ +" * ( " ' 2 I . "& @ )% "$ , -, " #'"$' , 2 ( -' '++'#' ' *(# .'#' %'* " " '*( %$' %"K ** ( & "' # $%' $ * %#, ; " %" , -, " $ * '** ( * '** '-'#+ " $ 11 ( 2 "' ( ( 2 $ ( - #'"* "' ' # $%& "' $ %" '* ' " " * " "' *% $'( $ 1 ( < #$ " ' ' @ 06 L % * @ 066/L % * ' #$ " ' @ 06 4> ,&, (( - % " *%$$ . * "' $' * %#, '( 1 ( $' "+% ++ @ # ( " *( % $ 9 #+ " && & "' - "$ ' $' * " 2@ ? #'*'" 9 " '#" $' $'( - '$ & "' $' < 8 6> '( "$ ' ( ** 1 ( & "'@ , -, " %J #'*'" #' #' $ 11'#'" $ * %#, @ " , *' 1%"& "' ( - # -'** % # , -, " - * # $ 11 ( 2 "' ( - #'"* "' <1 " + ( @ '** ( ' ' - #1 * " ( >@ ( " %" # *% $ -'" 0 "1'# #' -'$ $' , -, " $ # ' 2 (# " + ( @ * # $ < 76 0> )%'* + * " . ** ( %" < 76 >@ (A' ( ". +' # $%& "' "+% * ( $' , -, " < # $%& "' $ *% " @ # ' ' 1# * >@ ' %" < 76 6>@ ( " $ 11 ( 2 1 "' ( 8 # ( # ' " )%'* 9% - ( * ? I - "(A' -'- # $ . # < + ' ,,# @ 066!>@ '# (% ** " "* #+'#' $ 11 ( 2 "' 9 #'"$ -'" $' ' %# <$ * '** /

(19)

'. % . > ' $' *(# %# <$ *+# 1 '. % . >

%'* ( ** 1 ( & "' 1%"& " ' ? * 11 "( $ #' ( ** 1 ( & " $ " %# "+% * ( @ (A' #'"$ " " ( "* $'# & "' 9 * ' "+% * ( I " '#'** $ $ * %#, # )%'* '@ # . - # * $ # '$- "" ' . +# $*F= <0667>

# '"$ $ #'*% * (A' " * # * * '- "+% * ( ? ( - * $ - $%

< $ #@ 37 > ' $ ( "* '. '&& (A' ? %" $'1 ( ' '# +'"' @ ' % # ( && " 9'* * '"& $ $'1 ( * '( 1 ( '# +" - $% "+% * ( ' )% "$ #'*'"&

$ * +#% $ * %#, '( 1 ( $' "+% ++ ; " ( @ " + ( @

# +- ( ' '** ( ' % , *' $ )%'* *% * & "'@ A "" ( "$ %" * %$ *% %" ( - "' $ 4 , -, " $ "+% ',# ( @ $ ' 2 ( - #'* # /L ' 4L! <' 2 -'$ 0L6>@ )% A "" * * . # '* <( - #'"* "' ' # $%& "' * " ( @ $'" - " & "' '** ( '@ # ' & "' $ " " # ' ' " ## & "'> # *% ? '-'#* (A' (%" , -, " #'*'" " $ 11 ( 2 *' ' .' "' ( - #'"* "' ' "'

# $%& "' $ 1# * #' .' ' " '## + .' ++' @ # "' # ' & "' $ " " # ' </4N ( ##' ' ( " # 3/N $' +#% $ ( " # > ' $ # ' ( - '**' <77N ( " # 33N>@ # "( # "' ( - $ $'" - " & "'@ " (% % && " ( #( " (%& " A "" $ 11 ( 2 #' '# #' '#- "' ( ##' @ "(A' " '* $ # $%& "' * " "'

+%# %* # *%$$ . * "' $' , -, " " , *' - $% "+% * ( $'1 ( #

# $ & $ + ( - ) *) & ( * # * + (45 .,//601 & , 7&

** " .'#' $ * %#, * '( 1 ( '# %" * - $% %#' ( "$ & " $ ( - #, 2 # * %$ * A "" * * '"% '* $' ' '# +'"' 2 $' < *A @ 33/L 066!L ' " #$@ 337L (' O P'H '#@ 33 L . " $'# ' =@ 33!> ' $' "'('** 2 $ *%$$ . $'# " * +#% " , *' ( - "'" ' "+% * ( ( ". < *A @ 066!L # '$- "" '

(20)

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

(21)

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

"+% ++ " " * " '-'#+' " # #$ # * ' ( ' "' @ - ( " "% *. % #* " - $ # '" ' $ 11'#'" '

) &,& " + ( $ ( ( ; '$ ( % & ( *

(22)

) &7& " + ( $ ( ( '$ ( % -- & ( * . & 9901 & & 1 ,/ 91 2 3 ((&

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

# -' # $%& " - * # (A' " '" # -,' ' & " ' # ' # '"+ " ( - *'- " ( $' 1 - + 1 "" # 1'# -'" $ ++' $ %* )% $ "

"(A' 9 " * )% " . " " # # (%" $ 11'#'"& "' . # ' 2 $ . ( , , -, " ( " @ ( *M ( -' & "' *. % ( @ #'*'" " %" )% " 2 - ++ #' $ . ( , (A' * # 1'# *( " $ ++' % * (A' $ & " < ' " #$@ (AC # & ' @ 370> ' *'-,# " '**'#' I 1 ( "' 9 ()% * & "' $' ' # ' (A' " & " ( " %" ( "* " " ' + 2 #'*'" ' "' # #' '# # $ # $%& "' 1 " + (

" # * %$ < * P' *-'# O G'*F' A@ 33 > .'# 1 ( *' 9 ()% * & "' '** ( ' %J '**'#' "1 %'"& " '#.'"'"$ *% # * $ (( - +" "$ . ( , ( " +'*

% , -, " *'-,# " .'#' $ 11 ( 2 "' ( - #'"* "' $' ' # ' 9 " '#" $

(23)

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

# #'*'" . ' $' ( ( 2 $ ( '+ # && & "'@ (A' '#-' " # $ # ('$'#' '# ** ( & "' ' $ # ++#% #' . ( , '# ( ** *'- " (A' " )%'* 1 *'@ , -, " ( --' " '## # $ * .# '* '"* "' (AE@ *' " " * " " **'** $ %"

'#- "'@ # ('#( " '# ** ( & "' "' # # $ , *' ' % && " )%' (A' # '"+ " ,, I # , , 2 $ '**'#' ( ##' , -, " ( " * " -'"

# '"* $ % && #' )%'* * # +'-- '# " - " #' + ++' '# (% )%'* '## # $ * .# '* '"* " * # # "+ " - " "%-'# "1'# #' %'* # - "( "& ?

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

(24)

' "' ( - #* $' ' # -' # ' *. % "+% * ( ( *'-,# '**'#' '+ # "( -'" ' ' '- * (A' $ ()% * & "'@ 1 *' $' # ( -, " & "' - * # %" - ++ #' $ *(#' "& # ' $%' & " "" "& % @

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

(25)

)% " 2 $ .'#, #'*'" "' # , + + '** ( ' ' # *% (A' $ * "+ " $ %" ".'" # # $ # * ' $ '" # -, +#% $ ( " # @ - (A' $ .'#, % && ( " - ++ #' 1#')%'"& ? - * - ' <P F "*@ (' ' &@ 33 >

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

7&

-' '-'#+' 1 " )% @ * %#, '( 1 ( $' "+% ++ ? %" $ * %#, ' '# +'"' @ ( # '# && $ %" . # ' 2 $ * +#% (A' #'*'" " $', '&&' " $ .'#*' #'' "+% * (A' '# )%'* - . @ * " * ' . "& ' "%-'# *' # * ' ' # (A' (A' ('#( " $ " && #' %" I * ' $'1 ( # ' * '+ #"' # *. "+% * (

# - # * # ' $ 9 **%"& "' (A' 1 " $ %" ('# ' 2 (%" * ' $' # -- ( " .'#* ' " " * " "( # $ * " , , -, " ' (A' * *

'-"+% * ( ? "( # , + ( -'" ' -- %# % , *' $ )%'* ( "* $'# & "'@ " " $'* # ( #' #' ((% & "' (A' , -, " # $%( " '# %" ('# '# $ 1# *

(26)

$ (A # .' 9 "1 " @ "1 " .'* < *> (( -' , -, " ( " * %#, '( 1 ( $' "+% ++ #'*'" " )%'* ' 1# * ,'" #' 84 "" $ ' 2@ ..'# I %"+ $' , -, " *. % ( @ (%" # ('#( # # "+ " (A' )%'* # # #* $' '# $ $ # $%& "' $' ' * * $ .% $ %" - %# & "' #$ . $' * * '-"+% * ( ; $% & ! ' ( $&! < ('@ P'H '#@ ' .'@ 33 L (' ' P'H '#@ 33!> " #' 2@ ( -' ,, - . * @ )%'* , -, " ( " "%'# "" $ .'#' *'# # , '- ( " - #1 + 1 '** . 1 " 9' 2 $%

(A% &' ' P'H '# < 33!> # . " 1 #-% #' %" - $' (A' * '+A " %# - #1 * " ( $' ' *L )%'* - $' #'"$' " -' $ ' )* & + ,'*&+- '( "$ # # * @ , -, " -' " " - $ '#" 9 (( #$ $' * ++' $' .'#, '# (% 9'## #' $'# . $ 1 (A' %" $' $%' # * #2 *'- #' * * '( 1 ( ; US '"*'@ 8 +#V U8 '"*'@ S +#V .'$ - I "' $' + $ ( * * # @ # # "$ * #% %# * " ( (A' % && " '# * '+ #' )%'* $ '"%"( < +%# 0> # $ &,& $ $ ( % (" " $ %% &

"& (AE ( '+ # 1 '** . < >@ #'*% "+ " #'*'"& $ $%' ( '+ # ' $ * " ' '# '- < > ' '# 9 (( #$ $' * ++' < *> '( "$ # # * @ "' 1 *'

$' ' * ' $%' ( '+ # ' " " * " # ' ' ( " '- # "' -'" ' '# (% @ " #'*'"& $' 9 +#''-'" @ " " * A # '& "' $' '"*' ' . ('.'#* ' # - ( * @ , -, " # $%(' %" 1# *' ( -' @ $ .' # ('.' ( * " - " . +# & ' #'*'"& $' 9 +#* -'" #' " " # ('.' - #1'- $ '#& '#* "

* "+ #' '#(AE )%'* # (A '$' #'*'"& $' # US '"*'V * '** $ *( #* . ' '# 1 #- & "' $' 1 #- ** @ # $ %+% -'" ' ( -'

' *'( "$ ( * @ ".'('@ , -, " # $%(' @ '# (% "' '( $

(27)

# . - # " -' (A' " " # ('.' ( * " - " . ' "' '* $ .'#, 1 #- , *' %'* '#(AE # $%& "' $ # (A '$' '" # -, # US '"*'V ' US +#V 1 #- ** ".'(' " " (#' (%" # , '- '#(AE " " . "( $ #'*'"& $' 9 +#@ '# (% , -, " # $%( " ( ##' -'" ' " # -,' ' #'('$'" ' # ' * " % + %* 1 ( #' ( - # -'" "+% * ( $' , -, " "+ '* @ - # *% " " $ ' '# #' "+%' )%'* *( @ P'H '# < 337> A ' , # %"9% '# #' # * @ " +# $ $ * '+ #' - . '# (% @ $ '*'- @ ' " " " " # # " .'#, 1 #- , *' - * ( # '# && " ( -%")%' '# ( * " ' - ** "' $ %* # @ ( % ' ( ( %'* ' # @ (A - " < >@ # ' $ 9 $' (A' " %" * * '-"+% * ( $% @ * ++' $'.' .'# 1 ( #' # # # # .'#* %" $

'# & "' $ " $' ' ( '+ # ' 1%"& " @ " $%' * & " * " (A' $ .'#*'

' 1# *' #'* " '*'- # - < >@ # , , -'" ' # " +#* ?

# %*( 1 # * #' * ++' "' * & "' $ '( " +#* @ $ .' ? ..'"%

# - (A'(F "+ ( %* $ %" * * '- "+% * ( "( # -- %# @ , -, " " " ? % . " +# $ $ % #' *'( "$ '# & "' "'('** # '# 9 (( #$ $' .'#, @

(A' # (A '$' (A' # " # ++ * ++' ' 1 (( * #' "' * & "'

$ '( $ %'* - '@ (A' '#-' ' , -, " $ '11' % #' %"9%" ( '# & "' "& (AE $%'@ * '+ - . '# (% "' ' "+%' * ++' "% , -, " # '*( " 1 ' '#' #& -'" ' .'#, "& (AE # $%# "' *% 1 #- "1 " ; " )%'* '

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

(28)

+# -- ( ( -' # " - ( ( @ + %* # ' ' 1 #-' ( % .' % . @ , -, " ( " #'*'" " $ 11 ( 2 "(A' ( " # ' '-'" +# -- ( @ (A'

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

(29)

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

(30)

"%-'# A # ,'"'1 ( "' ( - #'"* "' $' ' 1# * #' .'

9&

-$ %

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

(31)

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

) &=& ( * ( & & . >>601 & ,><&

*(' $ * %$ #' . # ( " '* $'# . $ 1 (A' " - $ )%'* 9 # ( " " # (%" ( " # ,% *'- " ( " " @ + # ( ** '$ " # # ' 2 *'- " (A' ' # # ' 2 * " (A' # # ' 2 *'- " ( * '( 1 ( # 1'# -'" $' 9'* #'** "' " - " ' " (% * # . '@ " # ( #'@ * 1 %" $ * "& "' # %" # 1'# -'" * '( 1 ( <%" #'( * "$ . $% + 2 " # $ "' $ *( #* > %#' %" # 1'# -'" "$'1 " <'* #'** "' " - " ' "*'# "' $ *( #* '# # - . > # ( " '* ' '"( "' ,' !@ 9 # ( $' '#- " . " " # (%" ( " # ,% *'- " ( )% "$ ? # $ ( " " - # # @ ( " ' '* #'** " +'"'# (A'@ ( " " - $ #'" ' ' ( " ' '* #'** " $ - (A' " % )%'* ( * 9%* $' 9 # ( ? %# -'" ' '* ' . @ ( ? *'#.' * " '# # '- #' * & "'

(32)

* " ( $' $' '#- " " ' # US $' '#- " " 'V ? %" # -' # # # $' "+% " '# (% @ *'( "$ #')% * $' $' '#- " " '@ ' '* #'** " " - " $' ' * & " #+ -'" $'. " ( " '"'#' %" * & "' (A' $'.' '**'#'

((% # *% - * # " (A' 9 # ( ? # $ " '#('" % #' . -'" ' ' )% "$ 9'* #'** "' " - " ' ? US #'1'#'"& 'V@ ..'# )% "$ *'#.' 1 #" #' %"9 " '# #' & "' *'- " ( ( " # # @ )% "$ A %" 1%"& "' '* ' . U8 #'1'#'"& 'V@ ? -'** /7N 9%" ( ( * " (% 9 # ( ? # $ " " * " ' " " * # '. " ' $ %" $ . * *'- " ( ? 9 " '#" $' ' '* #'** " $ - (A' < N $ # $%& " >@ # , , -'" ' '#(A? , -, " A "" - # 1 #-% -'- # ' " " # ,% *( " 9 # ( %" 1%"& "' * '( 1 ( * %$ # ('$' ( "1# " "$ $' '#- " " ( " #' ( '+ # ' 1%"& " <( % @ ( ( @ %* # ' #' * & " > ' **'#. (A'@ # 2 $ * '"& 1 " + ( @ ( '+ # I -'** #'* 9 # ( )% "$ )%'* A 1%"& "' '* ' . " $'1 " . @ 9 * ' # '. " ' $ )%'* # *% ? (A' + # ( ** " .'#' %" #% '* ' . @ -'" #' ' #' ( '+ # ' 1%"& " " " ** '$ " )%'* %* * #' -'" ' +# -- ( ' " # $ " '#'** " ' # +% #$ # $%& "' $ # - #1'- < . ( G*> # - #1'- * " ' '-'" . ( ( (A' " # - $' " -' ' # '- " * & "' @ * $$ *1 ('"$ #')% * $' $' '#- " " ' , -, " @ ( " )%'* ' 1 #-'@ # $%( " %" ' '-'" *'- 1 ( $ %" $ . * 1 " + ( *( $ ( * #% #' %" * " +- " - " ' ( - ' . @ # -

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

(33)

( -' "( ##' ' ' - ** " ' + '## # $ +'"'#' < 3N> ' + '" 1 **'# * ( "* $'# ( -' '## # @ 6N $' ( ( ++' $ - "% #',,' 7N@ .. ( " "$ * % '# #-'" ' $ *% 1# "('*' ( "1# " # # " - ' # ( @ "1 "'@ * " (A' + # ( " " #'*'" " - '## # $ +'"'#' <0Q 67 '## # $ +'"'#' " # ( .*

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

"+% * ( *% - # ++ ; * " ( @ - #1 + ( ' # +- ( ' , -, " *. % ! "# $# %# $# %# "# & "# ' "# & "# ' "# & "# '

(34)

( # " - ( - " # $%' ' #' "" @ " ( ## * "$'"& $' 9'* * "' $' +# -- ( @ ' %" . ()% * .'"+ " # $ ( ##' -'" ' '# (% " " * # *( " # " '## # $ * & " -'" (( #$ < % * @ 066/> ( " # # @ "' ' # $%& " $' * ++' ( " ( * " * # *( " # (%" ( - # -'" # ( ##'" (A' A "" '#-'** $ # ( " *('#' 9 - ** "' $' ( ( ( -' - #( #' ( " ( < # " ' @ 066!L # * ' @ 06 4> 9 ()% * & "' $' # " - ( ( ? * * %$ " - $ ((%# $ . # $ G - "" ' ' ' <066!> * %$ @ ( "$ *% ' "+%' # - "&' ( " %" # ( #' 1 (%* *% 1# "('*'@ ? # . )% # $ .'#*' & " ; * ++' - " "+% @ $% 0@ * ++' , "+% ' , -, " ( " *(' $ **'#. #' *. % "+% * ( $ %" *'( "$ "+% < 0> ? $ .% 1 (A' +# -- ( *. % " 0 ? "( - ' ' #',,' #'*'" #' $' ' * - %$ " ( " +# -- ( $' * ++' ( " ( " #' 2@ "' ( #* $' * %$ * .'$#2 (A' *. % $' "+% "' , -, " ( " ? I * - ' (A' " " 0 " #' (9? %" 1 "' $ # ('#( @ $ (% %" ('" # * '( && %#* ? +% $ $ %# (' % '#@ (A' * ((% $ " && #' + '## # ( --'** " 0 ' ( #' )% $'# . " $ %" $ 11 ( -'" ' # ( " *( , ' " 0

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

--' " # * #% %# & "' * " - $ @ .'#, * ' % < '

3 > ' .'#, $ - <4 ' > %'* '

1# * " " . " - . -'" ( ' $' # " -' *' ( "* $'# - B D ( -' %"9%" ( 1# *' " (% .'#, ? .'#, '** ( ' $' 1# *' ' - $ '

(35)

1%"& " ( -' %" %* #' '## # 1 " )% " && * # 1'# *( " ( ( ++' @ - 9 # ( $ G - "" ' ' ' # "(A' $' ( ( * ++' " )%'* ( * @ " " ? ** , ' %" # ' ( " 9 " '#(AE@ '**'"$ %" "+% # 8$# @ " " #'*'" ( ( * ++' < .* Y - ( ( * ++' ' ++' * ** - + " '# - ' # # ' 2@ ( -' 1 (A' " " ** " * #' " * -'" " * & "' $ , *' ' (A' * " 1 #-' "' % . @ $ %" %" $ . * * " ( @ # " - ( ( * ++' $' 1# "('*' ((% " * & "' $ '( $ -'" #' ( ( ++' )%' $ '* < * '( ' Z >@ ( -' %* # "' 1 +%# # $ &7& $ $ ( % ( & ( ( * ++' * ( - # " * " ( -'" ' ( -' $' * ++' " #- < " '(> ' * " ( "* $'# ( -' # " - $', ' " " # # -'" ' ( -' ( ( %'* # ( # '# * ( #'"$' I *'- ( '@ ( -' .'$#'- @ " 1 *' $ ()% * & "' ( - " # - $' ( ( ++' % ' ' "+%' A "" $%' # $ +- '# # " - ; %" " ( 1 # ' ' %" " ( " $ * # ,%& "' * '( ' ' # # ' 2 *'- " (A' * " )% "$ $ * # ,% ' ( -' *'+%'; # " - 1 # < > #'*'" " # US %- " V@ # " -$', < > U[ %- " V@ $ - * # . " ( < > U8 %- " V %'* 9% - *'#.' '# * '# #' - "( "& $ %" # " -' 1 # ' ( " %" # U8 %- " V * %$ $ G - "" ' ' ' <066!> #'"$' %" ( - "' $ ! , -, " 1# "('* @ , -, " - " "+% ( " @ 0 $% 0 ' 4 , -, " , "+% ' * "' # %" '* $ # $%& " * " "'' ' ' #' & " *. % ( @ ' % # ( #'+ * # " %" # #$ $ #' ! -'* "' ( - #* $' ( ( ++' # * ' ( ( '# %"9 " * $' ( ( * ++' "' $ ' " *' '" # " @ * .'$ " . # $ #$ " ' ' ' ' <0667L 06 6>

9

<* '(> 9 -' < '* > -' '