Donald W. Fiske
Donald W. Fiske was a nationally recognized psychologist with specialty in methodological issues in personality
Personality psychology
Personality psychology is a branch of psychology that studies personality and individual differences. Its areas of focus include:* Constructing a coherent picture of the individual and his or her major psychological processes...

, ability, and trait research. He was, with Donald T. Campbell
Donald T. Campbell
Donald Thomas Campbell was an American social scientist. He is noted for his work in methodology. He coined the term "evolutionary epistemology" and developed a selectionist theory of human creativity.- Biography :...

, co-author of a landmark paper regarding the Multitrait-Multimethod approach
Multitrait-multimethod matrix
The multitrait-multimethod matrix is an approach to examining Construct Validity developed by Campbell and Fiske. There are six major considerations when examining a construct's validity through the MTMM matrix, which are as follows:...

 to evaluating construct validity
Construct validity
In science , construct validity refers to whether a scale measures or correlates with the theorized psychological scientific construct that it purports to measure. In other words, it is the extent to which what was to be measured was actually measured...

. He died April 6th, 2003.
The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.