Pigeons and rats who are reinforced on fixed interval schedules stop responding immediately after they receive a reinforcer and do not start again until just before the next scheduled reinforcement. This illustrates that these animals are

a. "stuck in time.".
b. intuitive thinkers.
c. cognitive time travelers.
d. strongly influenced by circadian rhythms that can help or hinder training.


C

Psychology

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Answer the following statements true (T) or false (F)

1. E-cigarettes are now the MOST commonly used form of tobacco among teenagers. 2. Most people who have successfully quit smoking have made about 10 unsuccessful 3. The STRONGEST predictor of current smoking among adolescents is the number of friends who smoke. 4. The biobehavioral model is primarily a physiological model of nicotine addiction 5. The treatment of alcohol use disorder is largely unsuccessful over the long term. 6. As they grow up, children’s expectations regarding alcohol’s effects become 7. Approximately 20% of Americans report having used an illicit drug in the past month. 8. Project DARE is an example of a primary prevention strategy for preventing substance abuse

Psychology

Which statement about sleeping medications is TRUE?

A) Sleeping pills usually are effective for the long-term management of insomnia. B) Sleeping pills reduce the time spent in both REM sleep and the deep stages of sleep. C) Sleeping pills increase the quality of deep sleep but decrease time spent in REM sleep. D) Most sleeping pills are not addictive.

Psychology

Dr. Patel wants to determine which neurochemicals are released in the brains of rats following social defeat. What instrument should Dr. Patel use in the brain to answer this research question?

A. EEG B. dual cannula C. microelectrode array D. stimulating electrode

Psychology

Aggressive behavior has its brain basis in the _____

a. adrenal glands b. brain stem c. mirror neurons d. limbic system

Psychology