Sydney, when faced with a problem, starts with a hypothesis, deduces testable inferences, and isolates and combines variables to see which inferences are confirmed. Sydney is in Piaget’s stage of development
A) sensorimotor
B) preoperational
C) concrete operational
D) formal operational

How can congress clarify parts of the constitution that are unclear?

Einar sees alexandra every day across the room in his history class but has never talked with her. einar likes the way alexandra looks, including the way she dresses and how she wears her hair. he's even more attracted to her apparent intelligence and the way she handles herself in class discussions and during interactions with the instructor. he'd like to know more about her, so he asks one of his friends about her. einar, using a passive strategy to gain information about her, is probably in the preinteraction awareness stage of any relationship that might develop between them. t/f

Which was an important long-term result of the civil war? a a feeling of american nationalism developed. b. industrialism increased in the south. c. differences between social classes declined.