Emily owns an ice cream parlor. in an hour she can produce 40 milkshakes or 40 ice cream sundaes. ben also owns an ice cream parlor. in an hour he can produce 20 milkshakes or 10 ice cream sundaes. emily's opportunity cost of producing 1 milkshake is ben's opportunity cost of producing 1 milkshake is

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.

The american public was excited by the invention of the railroad system. true false

Population parameters are difficult to calculate due to