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1-All standard tests in your factory is the first because these tests are giving you the activity of a product feature
2-The feedback from customers
Every product have a standared type of tests to ensure the compatability with the needed function like the road test been made by car manufactrures to ensure that the product is good functioning resist load of use and offcourse ensure customer satisfaction so there is no a certain steps for all products just follow the requirements of each
To test the activity of a product features you should have a quality system have a test method that can measures these features accurately before reaching customers in case of Electronics or Electrical productions you may have two methods of testing features Attribute test and Early life test, attribute test mainly checks the functional operations of the product and3 F (Feel, Fit Finish), early life test measures the durability of the product by testing the products in a long terms of operations may reachs24 hours continuous operations and in some cases reaches120 hours continuously this all tests only to ensure that products will reach the customers in a high quality.
Render that product to your relative or a friend and sense their response.
1-methode analytique :
a-energie par rapport a consommation
b-taux de rebut et non conformité
c-reclamation clients
d-taux d'occupation personnels
...
2-methode strategique:
suivre une approche de controle et de gestion (management de qualité)
The method can be doing the field survey about the product features or focus group discussion with the few customers.
Emails or questionnaires can be sent to different customers.
to make customer satisfaction questionnaire and then an evaluation for it.
to evaluate also demand on if increase or not.
