John Donahoe and David Marrs trained a pigeon in a discrimination task.They found that the bird discriminated correctly after a retention interval of .
A)6 months
B)2 years
C)8 years
D)12 years

Question

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The Answer of John Donahoe and David Marrs trained a pigeon in a discrimination task.They found that the bird discriminated correctly after a retention interval of .
A)6 months
B)2 years
C)8 years
D)12 years

John Donahoe and David Marrs Trained a Pigeon in a Discrimination