The Welch family has saved some money. They can spend it on a vacation to the Grand Canyon or build a swimming pool in their back yard. They decide to spend the money on a swimming pool. What is the opportunity cost of their decision?

Aresearcher conducting behavioral research collects individually identifiable sensitive information about illicit drug use and other illegal behaviors by surveying college students. the data are stored on a laptop computer without encryption, and the laptop computer is stolen from the researcher’s car on the way home from work. this is an unanticipated problem that must be reported because the incident was (a) unexpected (i. e., the researchers did not anticipate the theft); (b) related to participation in the research; and (c) placed the subjects at a greater risk of psychological and social harm from the breach in confidentiality of the study data than was previously known or recognized. according to ohrp, this unanticipated problem must be reported to the irb in which timeframe? promptlywithin 48 hourswithin 24 hourswithin two weeks

Some european explorers sailed west looking for the passage to india

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