Graduate Student Researcher
This position varies in percentage, usually between 40-50% in fall and spring. These positions are usually supported by money from a professor's grant, with hours somewhat more flexible than those of Graduate Student Instructors.
There is also a partial or full fee remission which is determined by the percent time of the appointment.
As with the Graduate Student Instructor, there are raises in pay earned through time in step.
In the Museum of Vertebrate Zoology, the Museum of Paleontology, and the University Herbarium, Graduate Student Researchers are generally hired at 50%, and are sometimes referred to as Curatorial Assistants, but are still hired and paid as Graduate Student Researchers.