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Penguin Random House publishing sent three different versions of an email to customers to determine which message was most effective at getting customers to make online purchases. While online sales rose by nearly 10%, one of the versions demonstrated higher than normal click-through rates. Experimentation conducted in a realistic environment is called a:

Assuming a normal topic, which of the following is the most common size of a focus group?

What is the difference between observations and experiments?  (50 words or more for full credit)

What are the major differences between secondary research and primary research?   (50 words or more for full credit)

 A causal research design is typically concerned with:

Indirect Object Pronouns and Gustar type verbs: 1.  A mí, [I] [like] (gustar) la comida.

Indirect Object Pronouns and Gustar type verbs:  5.  A nosotros, [us] [seem] (parecer) bien las flores.

Please fill in the blank with the correct form of either ser or estar. 7.  Vosotros __________ buenos amigos. 

Please translate: 4.  I always ask Jane to dance.  (use the verb pedir)

Please fill in the blank with the correct form of either ser or estar.  3.  Mary ____________ lista. (smart)