.


:




:

































 

 

 

 


10.2. 1993 . .




: Cooper R.C. (1993, . 75-94).

, , (Daude, 1980, . 44). 10.3.

1. , 50%

60%

40%

2. , 38%

50%

50%

3. 7%

4. 5%

100%

10.3. .

: Daude . (1980).

, , , . , .

,

, (Booz, Allen and Hamilton, 1982), :

85%

62%

52%

45%

33%

31%

15%.

, , , , - . , . 1 .

. 10.2.

10.2. .

: Edgett S., Shipley D. and Forbes . (1992).

 
(n = 116) (n = 86)
. 69, 8 75, 6
:        
, 79, 3 59, 3
, 69, 8 45, 3
/, 58, 6 61, 6
, 55, 2 48, 8
. 41, 4 27, 9
. 39, 7 34, 9
. 36, 2 29, 1
. 27, 6 25, 6
. 27, 6 18, 6
. 20, 7 16, 3
/. 16, 4 18, 6
       
. 7, 8 10, 5
       
. 2, 6 4, 7

, . (1/4), , , .

, , , .

, . , , , . , . - , . , : , , . - , . .





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