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A researcher believes consuming hot tea can act as a memory aid. Subjects consume cold beverages and have their memory tested through a test of recall of a series of picture cards. Other subjects consume tea and have their memory tested in a similar fashion. The researcher decides to allow a third group to be tested after consumption of hot water without tea. Why did the researcher include this third group?

A researcher believes consuming hot tea can act as a memory aid Subjects consume cold beverages and have their memory tested through a test of recall of a serie class=

Respuesta :

Hello!

Considering the information contained in the exercise, we know that:

He tested:

• consuming cold beverages;

,

• consuming hot tea

Now, he wants to test the consumption of hot water to act as a control and check if the memory was aided by the tea or just hot beverages).

Answer:

Alternative D.

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