Member (Full Member). Any individual who has shown noteworthy achievement as an original investigator in a field of pure or applied science is eligible for election or promotion to full membership in the Society by a chapter or the Committee on Qualifications and Membership.

Associate Member. Any individual who has, through initial research achievement in a field of pure or applied science, shown aptitude for research which is expected in due course to lead to the fulfillment of the requirements for full membership, is eligible for election to associate membership by a chapter or the Committee on Qualifications and Membership.

Students. Students members are classified as either full or associate members based on the criteria above. Reduced dues category in place for students and transitional (<5-yrs post doctoral). Associate membership for students is offered to encourage young investigators with promise to continue careers in research. In making the nomination, both the nominator and the seconder attest to the nominee’s potential for future promotion to full member.

Some Definitions

“Noteworthy Achievement”: Noteworthy achievement in research specified for election or promotion to full membership…must be evidenced by publication, patents, written reports or a thesis or dissertation, which must be available to the Committee on Qualifications and Membership if requested. Membership in the Society is neither linked to the possession of any degree nor contingent upon belonging to some other organization.

“Research Aptitude”: Research aptitude specified for election to associate membership… must be evidenced by independent investigation ordinarily resulting in a written report, which must be available to the Committee on Qualifications and Membership if requested.

Sigma Xi Affliate Circle The Sigma Xi Affliate Circle recognizes important contributions to scientific research made by science teachers, clinicians, technicians and others who are not eligible for Sigma Xi membership.

Dues and membership categories.

Page updated June 23, 2010