Answer:
3
Explanation:
Conditioned
learned: originally the newspaper didn't cause a fear response, but after repeated pairings, it caused a fear response in the puppy
Answer:
double-blind study
Explanation:
According to my research on different experimental procedures, I can say that based on the information provided within the question the procedure that is being defined in the question is called a double-blind study. This (like defined in the question) is a study in which neither the participants nor the experimenters know who is receiving a particular treatment.
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Answer:
a message sent by telegraph and then delivered in written or printed form.