Which of the following is the best description of Piaget’s “symbolic thought”?

Lucas calls every four-leg animal he sees a cat. According to Piaget’s theory, this is an example of:

The adult thinking process in which every idea implies an opposite idea, and both the idea and its opposite can be integrated into a synthesis is referred to as:

The belief, often observed among adolescents, that one cannot be harmed by things that would hurt most people is referred to as:

A dialectical thinker is likely to recognize the:

Marco, a 15-year-old, is playing soccer. Despite having great strength and conditioning, he often seems to trip over his own feet, and he is struggling to master complex ball-handling maneuvers that require constant, rapid adjustments to his body position. His coach suggests this might be due to a temporary developmental challenge. As discussed in your textbook, this period of “transient motor awkwardness” in adolescence is thought to be related to the incomplete maturation of which sensorimotor skills?

By the age of two, most toddlers can use two-word sentences and __________ speech where non-critical words of a sentence are left out.

Luke is playing with a bouncing ball in his playpen, and accidentally the ball bounces out of the playpen and rolls under a nearby chair. Luke tries to get his mother to retrieve his ball by pointing in the direction of where the ball went under the chair. Piaget would say that Luke is showing 

George, 88, participates in a university study and scores as well on tests of episodic memory and attention as the average 55-year-old. This impressive cognitive performance, which defies typical age-related decline, places George in the category of:

Some adolescents engage in risky behaviors, because they believe they are invulnerable to the negative consequences of these actions. This is an example of: