1 Introduction 2 Interrogative model of inquiry

! " # # # $ %
# # & # # & & ' !# ! # # # # # # # % ! ! & "( ) # ! ) ( ! !
* ) # + # )
! " # "
" # " !
,
! ( ( # ! # % ( # # " ( ! ! # " ( ! ( # ! ( ! # &
# ( ! -
( ( ! ! #
! ! ! " ( & # . !/ ( 0 1 ( # ! !/ (
2 ! % # ( %
# ! ! # !
$ # # .
01 . 0 1
01 (. ! # 0 !%
(1 ! # 01 ! 01 # ( %
# 0 1
2 3 ! ( ! % 0 )#)1 ! % 0! #1 4 3
# 0!1 5 2 ! % 2 ! ! # 0 1
! ( # $ % " % & " ' ( )**
6
! " (
! # ! " ( # ! #
- # $ # 2 ! ! # ( 3 ( 7 " 8
+ # (+ ( #
! - & & 01 # !
& # - 9 + ! #
( " ! #
! " ! # ! & # & # " ! # !
& # ! !#
# 8 & # ! &
# 01 ,:;< " 0 1 2 ! # ! - # 0 1 4 # ! 0 1 0 1 + & +
,
$ -
.
+ % ,
=
0 1 " ( ! # #
( ! " # 0# 1 ! # ' " ( ( #
" ( ( # # ! !/
( " ( % # (
# # % # . !/
! ( !/ ! & ! ! # ( " / - # !
# " # % !/ !
! - ) )
2 # # " $ ! ( # 8 /
00
<
- # ! ( & # #
" (%
& > ( ( # # ! !
# ' ' ! ' ! 7 ( ! # '
!# ( ! & #
) !# # #
% )
!/ $ # # $ # ! & " & ! ( 3 " ( 3 # ( 3 ! # ( !/ ( ( ! ! #
?,@ A 8 6BB, ! *# !
1 -. % % 2"
%
% 2 ! %
% 3 "
# " + &)
4 &
+ )**
C
?6@ ,:;6 <D =:%C:
?=@ ,:;< 2 - 2 ( * 01 - ,:;< , - %
E 2 ,DD%,;C
?<@ 4 ,::, " #$$$% &' ! F
?C@ 7 ,::= ( G F! F%
!
?H@ * * ,::H ! # >& I# J >&
?D@ 2 2 ,:DD ) )* + 4 F ?;@ * ,::< *# 4% ! K
?:@ - ,::= - E& ) C, CC%;,
H