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Author Question: A tea manufacturer is trying to decide whether to add peach flavoring or mango flavoring to green ... (Read 175 times)

xroflmao

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A tea manufacturer is trying to decide whether to add peach flavoring or mango flavoring to green tea for a new product. A study is done by stopping customers at a grocery store and asking them to drink a small cup of tea with each flavoring, then to rate each of the two flavors on a scale from 1 to 10 . The order in which the teas are presented is randomly assigned for each person. What type of study is this?
 a. An observational study.
  b. A sample survey.
  c. A case-control study.
  d. A matched-pairs design.

Question 2

A difficult birth may put a baby at greater risk for autism, according to a study that may provide clues to the causes of the devastating neurological disability. The Centers for Disease Control and Prevention said that in a study of 698 Danish children who had the developmental disorder (autism), researchers found a disproportionately high number had been born before the 35th week of pregnancy, had suffered from low birth weights and were in a breech position at birth. What type of study is this?
 a. Retrospective
  b. Prospective



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morganmarie791

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Answer to Question 1

D

Answer to Question 2

A




xroflmao

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Reply 2 on: Jul 24, 2018
Gracias!


bitingbit

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

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