Daryl has a ball of Silly Putty. His 6-year-old son, John, watches as Daryl flattens the Silly Putty into a thin "pancake." When Daryl asks John if there is now more Silly Putty, John replies, "Yes." Piaget would say that John has:.
A. not mastered the concept of conservation.
B. demonstrated scaffolding.
C. an understanding of object permanence.
D. demonstrated fast-mapping.

In at least two paragraphs, discuss the differences between the principles of republicanism and democracy. explain whether you think the united states is more of a republic or a democracy. refer to at least one example from the constitution

When and why were fingerprints first used in the united states

Asociologist wants to study a culture that occurs in some women’s prisons: “state families,” in which individual prisoners take on certain roles within a group of like-minded prisoners. there is previous evidence that younger prisoners will use older inmates who play the roles of grandparents as a resource before they will turn to staff for and advice. the lieutenant in charge of a dorm of long-term prisoners offers to gather volunteers to speak to the researcher and also offers to vouch for the integrity of the researcher. the use of this staff is: a valid use of a statistical technique referred to “snowball sampling” wherein the inclusion of the first subject leads to the recruitment of another one subject.a useful tactic in obtaining a sample of prisoners who both meet the criteria and who will be honest with the researcher.wrong and is prohibited; subject selection needs to be free from intervention by prison authorities or prisoners.acceptable only when the researcher’s irb grants a special waiver.