During conditioning experiments involving food rewards, pigeons ...

[DyllonKazuo]

During conditioning experiments involving food rewards, pigeons are often food deprived to the point where they are at
 
  A) 80-85 of their free-feeding weight.
  B) 90-95 of their natural weight.
  C) 80-85 of their natural weight.
  D) 90-95 of their free-feeding weight.

Question 2

The most cited criticism against animal research is that
 
  A) it is difficult to assess the animals' learning history .
  B) animals can't talk and therefore can't communicate.
  C) it is morally wrong.
  D) Both b and c are correct.

[sierramartinez]

Answer to Question 1

A

Answer to Question 2

C