A research assistant in a lab conditions dogs to salivate at the sound of a bell. During conditioning, the assistant rings a bell and then presents the dog with food. After conditioning, the dog salivates when it hears the bell. The bell is the _ stimulus, and the food is the _ stimulus.

Fill in the blank(s) with the appropriate word(s).

conditioned; unconditioned

Psychology

The fetal period of prenatal development begins at ________ and ends at _______:

a. conception; birth b. conception; the end of the 2nd month c. the end of the 1st month; birth d. the end of the 2nd month; birth

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Psychology

Which of the following regions does a metastatic tumor not typically originate in?

a) lungs b) intestines c) breasts d) uterus e) kidneys

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Psychology

A research assistant in a lab conditions dogs to salivate at the sound of a bell. During conditioning, the assistant rings a bell and then presents the dog with food. After conditioning, the dog salivates when it hears the bell. The bell is the _____ stimulus, and the food is the _____ stimulus.