A four-year-old boy is playing by himself. He is pretending to be a doll's father and asks the doll if he wants to go outside and play ball after lunch. The classical theory of play that BEST explains this behavior is:.

Which of the following statements most accurately describes the requirement for the documentation of minors’ assent to participate in research? parents must approve written documentation.documentation is required unless waived by an irb.to protect minors documentation is always required.federal regulations do not require the documentation of minors’ assent.

Researchers have found that it takes to view a mental image that is larger or covers more distance than a smaller or more compact one.

In your opinion, howell does the constitution strike a balance of authority among the three branches of government? explain your view using examples from recent and current events.