A researcher compares motivation in employed adults that have been working at the same job for less
than 5 years to employed adults that have been working at the same
job for more than 20 years. The
researcher also compares different workplace environments
including corporate, academic, and non-
profit environments. The independent variable(s) is (are):
Motivation
Motivation, years at job
Years at job, workplace environment
Motivation, years at job, workplace environment