Among his contributions to psychology are the PASS theory of intelligence and the Das-Naglieri Cognitive Assessment System.
[2] JP Das was born in Puri, a city on the coast of the Bay of Bengal in Odisha, India.
In 1963, he was awarded a Kennedy Foundation Visiting Professorship at the Peabody College of Vanderbilt University in Nashville.
Das received the Order of Canada, on 1 July 2015, "for his internationally recognized work in the field of cognitive psychology, notably in the development of a new theory of intelligence.
In addition, he has received: In recognition of his work, Timothy Papadopoulos, Rauno Parilla and John Kirby edited Cognition, Intelligence and Achievement: A Tribute to J.P. Das, which was published in 2015 (New York: Elsevier/Academic Press, 2015.