Adrienne's parents enjoy discussing politics and historical events at the dinner table and often engage Adrienne in their discussions. This is an example of a/n ________ trajectory.
Fill in the blank(s) with correct word
Question 2
If a loud siren is sounded, any newborn infant will automatically scream. In classical conditioning terminology, the siren is a(n) ____.
a. conditioned response c. unconditioned stimulus
b. unconditioned response d. conditioned stimulus