, , , .
[11]. . , . ( ), ( ). . , [12].
. ( ): Colgate, Crest, Aim, Aqua-Fresh, Gleem, Pepsodent, Ultra Brite, Macleans, Close-Up Dentagard. (. 21.5) , . 21.7.
. Colgate, Crest, Aim Aqua-Fresh, , Close-Up Dentagard, . , . .
. 21.7.
. : ,
, .
( )
. (, Volkswagen Dodge), , , .
(, Volkswagen Mercedes), , , . . , Honda Toyota Continental Porsche. : "/ " "/ " . .
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. . . , 1 ( II) : Porsche, Jaguar Audi. 2 ( 12) : Continental, Mercedes, Lexus Cadillac.
, , . , , , [13].
, , .
(correspondence analysis) . , .