William Raymond Shadish Jr. (November 3, 1949 – March 27, 2016) was an American psychologist and statistician who was a distinguished professor and founding faculty member at the University of California, Merced.
He was known for his work in the field of behavioral science, especially on the topics of program evaluation, causal inference, meta-analysis, and the study of methodology.
[2] Shadish Jr. was raised in Redding, California,[3] and received his bachelor's degree in sociology from Santa Clara University in 1972.
There, he designed the psychology major at the then-brand-new university, which did not have any students or buildings when he first joined its faculty.
[6] Shadish died at his home in Mariposa, California, on March 27, 2016, of complications from prostate cancer.