An experienced driver can drive while holding a relatively complex conversation. this combination of activities is difficult, however, for a novice driver. which of the following explanations is most likely to explain the difference?

a. the two activities are very different, so the task combination creates no problems with channel segregation.
b. practicing a task leads to a decline in the resource demands for that task.
c. the two activities are very different, so they rely on different sets of task-specific resources.
d. practicing the tasks improves confidence in the task.

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