For years, tommy and his younger brother billy argued every night at dinner over who was to get the bigger glass, even though both glasses held the same amount of liquid. one glass was tall and thin, and the other was short and wide, and each boy always wanted to have the "bigger" glass for himself. one evening, to the delight of his parents, tommy said to his mother, "let billy have the taller glass. i know they both hold the same amount." according to piaget, this event is indicative of which stage of cognitive development?

Which is one important element of romantic literature

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. one of the subjects is in an automobile accident two weeks after participating in the research study. is this an example of an unanticipated problem that requires reporting to the irb? yes, this must be reported because it was not listed as a risk of study participation in the consent form (was unexpected) and the subject experienced harm. yes, this must be reported because it involved a subject in a research study and it’s up to the irb to determine if it was related to participation. no, this does not need to be reported because it was assessed by the researcher as unrelated to the research study. no, this does not need to be reported to the irb since the researcher reported it to the sponsor of the study.

Is when a person has given their consent based on understanding the actions and facts of a study?