Roger Ellis Millsap (November 18, 1954 – May 9, 2014) was an American psychometrician known for his research on

measurement invariance Measurement invariance or measurement equivalence is a statistical property of measurement that indicates that the same construct is being measured across some specified groups. For example, measurement invariance can be used to study whether a giv ...

. Millsap was born on November 18, 1954, in Olympia,

Washington Washington most commonly refers to: * George Washington (1732–1799), the first president of the United States * Washington (state), a state in the Pacific Northwest of the United States * Washington, D.C., the capital of the United States ** A ...

. He was the only child of Max Ellis Millsap, who was a general manager for the Olympia Oil and Wood company, and Lillian Rogers Millsap (née Turner), an executive director of two chapters of the

Red Cross The organized International Red Cross and Red Crescent Movement is a Humanitarianism, humanitarian movement with approximately 16million volunteering, volunteers, members, and staff worldwide. It was founded to protect human life and health, to ...

. He received his BS degree from the

University of Washington The University of Washington (UW and informally U-Dub or U Dub) is a public research university in Seattle, Washington, United States. Founded in 1861, the University of Washington is one of the oldest universities on the West Coast of the Uni ...

in 1977, followed by an MA in

statistics Statistics (from German language, German: ', "description of a State (polity), state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. In applying statistics to a s ...

and a PhD in

quantitative psychology Quantitative psychology is a field of scientific study that focuses on the mathematical modeling, research design and methodology, and statistical analysis of psychological processes. It includes tests and other devices for measuring cognitive a ...

. He received both of his advanced degrees in 1983 from the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California), is a Public university, public Land-grant university, land-grant research university in Berkeley, California, United States. Founded in 1868 and named after t ...

, where he was supervised by Bill Meredith. After receiving his PhD, Millsap taught industrial/organizational psychology at

Baruch College Baruch College (officially the Bernard M. Baruch College) is a public college in New York City, United States. It is a constituent college of the City University of New York system. Named for financier and statesman Bernard M. Baruch, the colle ...

until 1997, where he eventually became a full professor. In 1997, he joined the quantitive psychology faculty of

Arizona State University Arizona State University (Arizona State or ASU) is a public university, public research university in Tempe, Arizona, United States. Founded in 1885 as Territorial Normal School by the 13th Arizona Territorial Legislature, the university is o ...

, where he taught until his death in 2014. He served as

editor-in-chief An editor-in-chief (EIC), also known as lead editor or chief editor, is a publication's editorial leader who has final responsibility for its operations and policies. The editor-in-chief heads all departments of the organization and is held accoun ...

of '' Multivariate Behavioral Research'' from 1996 to 2006, and of ''

Psychometrika ''Psychometrika'' is the official journal of the Psychometric Society, a professional body dedicated to psychometrics and quantitative psychology. The journal focuses on quantitative methods for the measurement and evaluation of human behavior, in ...

'' from 2007 until his death. He also served as president of the Society of Multivariate Experimental Psychology in 2001–2002, of Division 5 of the

American Psychological Association The American Psychological Association (APA) is the main professional organization of psychologists in the United States, and the largest psychological association in the world. It has over 170,000 members, including scientists, educators, clin ...

in 2004–2005, and of the

Psychometric Society The Psychometric Society is an international nonprofit professional organization devoted to the advancement of quantitative measurement practices in psychology, education, and the social sciences. The society publishes a scientific journal called ...

in 2006–2007. His awards included the Society for Multivariate Experimental Psychology's

Raymond Cattell Raymond Bernard Cattell (20 March 1905 – 2 February 1998) was a British-American psychologist, known for his psychometric research into intrapersonal psychological structure.Gillis, J. (2014). ''Psychology's Secret Genius: The Lives and Works ...

Award (1993) and Herb Eber Award (2001), as well as three Tanaka Awards (1995, 1999, and 2005) for work in '' Multivariate Behavioral Research''. Millsap died suddenly on May 9, 2014. He was survived by his wife and four children.

References

{{DEFAULTSORT:Millsap, Roger Ellis 1954 births 2014 deaths 20th-century American psychologists Psychometricians American statisticians People from Olympia, Washington University of Washington College of Arts and Sciences alumni University of California, Berkeley alumni Baruch College faculty Arizona State University faculty Psychometrika editors Quantitative psychologists Presidents of the Society of Multivariate Experimental Psychology