caption death_date image_size nationality field birth_date known_for article_title name
ranald roderick macdonald 2007 150px british mathematical psychology 1945 significance testing ranald roderick macdonald
 ranald roderick macdonald
ranald roderick macdonald

ranald roderick macdonald -lrb- 1945 -- 2007 -rrb- was a british mathematician and psychologist .
he was known for his contribution to the foundations of significance testing .
