Who created The Free Career Test?

The Free Career Test was created by Sigma Assessment Systems which has been developing psychological career tests since 1967. The test's author, Dr. Douglas N. Jackson, is a nationally acclaimed assessment expert. Among his many achievements, he is the former chairman of the American Psychological Association Division of Measurement, Evaluation, and Statistics and the 2004 reward recipient for the Samuel J. Messick Award for Distinguished Scientific Contributions. This is the highest honor bestowed by the American Psychological Association's Division of Evaluation, Measurement, and Statistics. He has published over 200 research articles and developed an intelligence test used to select NASA astronauts.