Harry is in college and is asked to imagine what the world would be like if humans had never invented the wheel. According to Piaget, if Harry is able to think abstractly about this problem, Harry is in the ____ stage of cognitive development.
a. sensorimotor
b. concrete operational
c. preoperational
d. formal operational
Question 2
Recent studies indicate that many people have never developed beyond the stage of concrete operational thought. Which statement lends support to this hypothesis?
a. Many college students feel unprepared to select a career.
b. Many day-to-day tasks require only concrete operational skill levels.
c. Many adults are unable to solve problems requiring abstract reasoning skills.
d. There is a wide variation regarding when people can solve conservation problems.
Phylogenies showing the relationships of some Old World primates
Underwater World
Primary School Attendance in World Regions Attending primary school is common but not universal, wo
Matthew Ritchie, No Sign of the World.
Oil sands reserve in the world
Arctic tundra on the world map