You are standing outside with a friend as an airplane flies over your head. you watch as the plane appears to get smaller and smaller and is eventually gone from your visual field. which aspect of perceptual constancy allows you to understand that the airplane is not shrinking?

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

11. why do citizens have to register to vote?

Which term describes a possible explanation of, or answer to, a scientific question that is based on prior knowledge or research and that is testable?