In older adults, ________ is related to higher levels of ego development

Repeated use of drugs over a period of time can result in a need for a higher dose to get the intended effect. This condition is known as:

a. addiction. b. dependence. c. withdrawal. d. tolerance.

After being bitten by a dog, Jose finds that he feels afraid whenever he sees a dog. He goes for treatment, where he is gradually exposed to dogs, until he can be in the same room with a dog without feeling any fear

Three weeks later, while walking in his neighborhood, Jose hears a dog barking viciously. For a few weeks after this, his fear returns. This shows a. the treatment had no effect. b. extinction. c. stimulus-stimulus expectancy. d. spontaneous recovery.