The gene responsible for sickle-cell disease is thought to have arisen from a mutation that protected against

Consider a middle-aged man who has been a well-respected high school teacher for over 20 years. His self-schema includes the characteristics of "outstanding" and "experienced" teacher. When a student gets upset at this man after receiving a bad grade, telling the teacher "You're the worst teacher in the school," this man can easily dismisses the comment. He knows better, and this assertion does not fit his self-schema. This is illustrative of which of the following concept.

a) Identity regulation b) Identity restraint c) Identity assimilation d) Identity accommodation

"Claims processors in an insurance company shows that effective practice—at both the individual and group level—is bound up in the acquisition and exercise of patterns that recur in the endless flow of claim forms (e.g., which claims look problematic and so should be put aside for later in the workday). They learn shortcuts and "work arounds" that allow them to meet their production quotas without substantively compromising quality. Moreover, they participate in a "community of practice" distributing across individuals such that no single individual needs to know everything (adapted from Joseph A. Horvath)." The aforementioned process is an example of ____________.

a) logico-mathematical knowledge b) social knowledge c) professional knowledge d) tacit knowledge