Examlex
Dr. Skinner wants a pigeon to learn to peck a button in its cage. He first records how often the pigeon pecks the button. Then, after 3 days, he begins to give food to the pigeon every time it pecks the button. The pigeon's rate of pecking the button increases. After 3 days, he quits giving the pigeon food contingent on its pecking the button. The pigeon's rate of pecking the button decreases. After 3 more days, Dr. Skinner begins giving the pigeon food for pecking the button again, and its rate of pecking increases again. What kind of experimental design has Dr. Skinner used?
Ottoman Turks
Members of the Ottoman Empire, a historically powerful Turkish state that existed from around 1299 to 1922, spanning parts of Europe, Asia, and Africa.
Atlantic Exploration
The period of history in which European nations explored the Atlantic Ocean and its surrounding lands, starting in the late 15th century, leading to the discovery of the Americas, and establishing sea routes to Africa, Asia, and Oceania.
Technological Developments
Advancements or innovations in the field of technology that contribute to progress in various industries and aspects of daily life.
Titles of Authority
Formal designations or names granted to individuals who hold specific positions of power or responsibility within an organization, society, or government.
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