| 2.3 Write student's
preferences on the broad, then reveal which brand was which sample. Are
the results what you had expected? Why or Why not?
Link to Student's Preference Broad Yes, the research results is similar to our expectation. According to the favorable choice. We forecast the favorable choice is fanta, that refers the market promotion is the most positive, and the USA Classic is the less. Other hands, we know the taste of USA Classic is more differ to others two brand, and the results is many people is get the right choice, so we can state the research results is more similar to our expectation. |
| 2.4 Present your group's
result in appropriate charts and diagrams.
Link to (a) What brand do you normally prefer? |
| 2.5 What are the
advantages and disadvantages of doing blind taste-test?
Advantage: The method is so fair, because the interviewer can not see the any characteristics to define the brands of product, they must provide some choice or idea by their feeling, so the results is more actually. Other hands, we can ask the interviewer other's relative question. For example: taste of product (too sweet or not enough), etc. So we can know more the idea by each interviewers. Disadvantage: The research must be execute by individual testing, because interviewers can easily affect by the others. For example, the (c) question is choose the right brand for each product, interviewer can easily to choose the same product to the results. These can affect the accuracy of the ending results. |
| 2.6 List and discuss any
possible source of experimental errors.
~ Quantity of product: the quantity of testing product can affect the feeling of interviewers. If a interviewer testing much products in same time, his tongue's feeling will be decrease, so it can affect the testing results. ~ Environment: The "Blind" Taste test is execute in a individual is more preferable, because interviewers will be affect each other's choice. |