IPAT - The History of IPAT

1937 - Cattell joins E. L. Thorndike's research staff at Columbia University.

1941 - Cattell joins the Harvard University faculty working with pre-eminent theorists such as Henry Murray, Robert White and Gordon Allport.

1942 - Cattell establishes his theory of fluid versus crystallized intelligence at the APA convention.

1945 - Cattell accepts a research professorship at the University of Illinois where he founded the Laboratory of Personality Assessment and Group Behavior and worked with Ledyard Tucker, Lee Cronbach, O. Hobart Mowrer, Paul Horst, and Henry Kaiser.

1948 - Cattell completes his factor analysis work with Allport's lexical database of personality adjectives, resulting in the first trait-based measure of normal personality: the 16PF Questionnaire.

1949 - The Institute for Personality and Ability Testing (IPAT) is founded by Raymond Cattell and his wife, A. Karen Cattell, who served as director and chairperson of IPAT until 1992.

1949 - The 16PF Questionnaire, 1st Edition is released.

1950 - Work on the Culture Fair Intelligence Test, Scales 1 through 3, is completed and released.

1956 - 16PF 2nd Edition is released.

1960 - Cattell called for an international meeting to increase communication among researchers in the scientific study of personality, founding the Society of Multivariate Experimental Psychology, and the prestigious journal Multivariate Behavioral Research.

1962 - 16PF 3rd Edition is released.

1963 - IPAT's Early School Personality Questionnaire (ESPQ) is released for use in educational, counseling, and developmental settings, completing the personality assessment series spanning the entire age range: Early School Personality Questionnaire (ESPQ) for ages 6-8, Children's Personality Questionnaire (CPQ) for ages 8 to 12, High School Personality Questionnaire (HSPQ) for ages 12 to 18, and 16PF Questionnaire for ages 16 and above.

1968 - 16PF 4th Edition is released.

1972 - IPAT pioneered the first computer-based narrative test interpretation by providing accurate computer scoring along with individualized narrative reports which describe the test takers' strengths and limitations.

1975 - IPAT completed and released the Comprehensive Ability Battery (CAB).

1987 - IPAT released TeleTest, a concept well ahead of its time. This dial-up service enabled customers to transmit item data to IPAT and then receive a report online, leading the way in internet-based technology.

1992 - IPAT introduced the OnSite system software, enabling customers to administer, score, and generate interpretive reports on their personal computers.

1993 - 16PF 5th Edition is released, which includes a combination of the forms, streamlined administration, modernization of the content, and a major normative update.

1995 - IPAT introduces the OnFax service, allowing clients to fax answer sheets to IPAT and receive a scored and interpreted report by return fax, in just minutes.

1997 - American Psychological Association and the American Psychological Foundation nominate Cattell for the Gold Medal for Lifetime Achievement, an accolade awarded only 12 times before.

1998 - Raymond Cattell passes away at the age of 92 in Hawaii.

1999 - IPAT releases NetAssess, introducing online assessment administration, as well as immediate scoring, interpretation, and emailing of an interpretive report.

2001 - An innovative service, 16PFworld.com, is introduced to facilitate assessment for international consultants and multi-national corporations. The service provides test administration in one language with immediate scoring and report generation in the test language or any of the other available language. Today, 25 test and report language are available through 16PFworld.com.

2003 - OPP Limited purchases IPAT, Inc., bringing together IPAT's prestigious brands and decades of research with the comprehensive service and product expertise of OPP.

2003 - IPAT releases the PsychEval Personality Questionnaire (PEPQ), which measures both normal and clinical aspects of behavior and provides a broad assessment of overall functioning. This assessment also culminates major research work in the use of both the 16PF and the PEPQ for evaluating performance and evaluating fitness-for-duty in the protective services industry.

2004 - IPAT launches the first assessment-based certification program in Strategic Talent Management.

2004 - IPAT introduces Online Shopping capabilities for qualified customers.

2007 - IPAT updates corporate branding with introduction of new IPAT logo.

2008 - A major re-branding initiative for the 16PF product line is introduced. Along with a new 16PF logo, this initiative includes an updated style for key 16PF interpretive reports produced through IPAT's NetAssess service.

2008 - Heather E.P. Cattell, Ph.D. authors Exploring Your 16PF Profile, a workbook designed for use with test takers that will help them understand their 16PF profile.

2008 - Two new 16PF reports released - the 16PF Practitioner Report and the 16PF Profile and Manager Feedback Report.