Markus and Nurius (1986) are credited with developing the concept of possible selves, which represents individuals' ideas of what they might become, what they would like to become, and what they fear becoming. It has been applied in research and practice with adolescents exploring career choices; adults in transition; and older adults envisioning…

Although evidence for the existence of multiple careers is limited, the literature of career development, training, and human resource development has predicted that individuals will have many careers as well as jobs across the lifespan, and small-scale studies and trend analysis suggest that individuals may need to plan and prepare for different…