Show Notes: "Why do you work? Are you just in it for the money or do you do it for a greater purpose? Popular wisdom says your answer depends on what your job is. But psychologist Amy Wrzesniewski at Yale University finds it may have more to do with how we think about our work. Across groups such as secretaries and custodians and computer programmers, Wrzesniewski finds people about equally split in whether they say they have a 'job,' a 'career' or a 'calling.' This week on Hidden Brain, Shankar Vedantam talks with Wrzesniewski about how we find meaning and purpose at work."