Examlex
Pigs trained to pick up large wooden coins subsequently delayed receiving a food reinforcer because they would repeatedly drop and push the coins with their snouts.This best illustrates
Levittown
Low-cost, mass-produced developments of suburban tract housing built by William Levitt after World War II on Long Island and elsewhere.
Four Freedoms
Freedom of speech, freedom of worship, freedom from want, and freedom from fear, as described by President Franklin D. Roosevelt during his January 6, 1941, State of the Union address.
Franklin Roosevelt
The 32nd President of the United States (1933-1945), known for leading the country during the Great Depression and World War II.
Cold War
A period of geopolitical tension between the Soviet Union and the United States and their respective allies, from the late 1940s to 1991, without direct military conflict.
Q6: Failing to recognize our potential for error
Q13: Much of what we sense we never
Q39: Nuria is usually timid and fearful,whereas her
Q101: Two people learned nonsense syllables and then
Q134: Although Yusef was having difficulty recalling the
Q182: Many people overestimate how long they actually
Q232: Some people are better than others at
Q242: Audition depends on the movement of _
Q317: Julio's mother has been giving him gold
Q540: Contemporary research suggests that Piaget identified fairly