Guy Montrose Whipple (June 12, 1876 – August 1, 1941) was an American educational psychologist known for developing psychological tests of human intelligence and personality.

[7][8] A 1997 article about giftedness described Whipple as "an all-but-forgotten pioneer in this field".

He received his Ph.D. from Cornell in 1900 under the supervision of Edward B. Titchener,[1][4] who gained a negative impression of Whipple's interest in psychology during this time.

[4] Whipple was a founding member of the advisory committee for the Division of Applied Psychology at the Carnegie Institute of Technology (now known as Carnegie Mellon University),[1] as well as one of four founding editors of the Journal of Educational Psychology.

[4] He also served alongside Lewis Terman as a member of the American Psychological Association's Committee on the Psychological Examination of Recruits, which helped to develop the Army Alpha and Beta tests used on American soldiers during World War I.