Unsophisticated consumers may be happy with their purchase - for awhile. Career direction can be altered. Opportunities are defaulted. Money is lost. You may discover you've used a shovel where earth moving equipment was needed, or invited a Yugo to race the Indianapolis 500.
Poor tests can have harmful, unintended consequences.
For example, says Dr. Gershenfeld, test results can mislead individuals into developing illusory stories and prejudices about themselves. The consequences of improper test selection, for companies and employees alike, can be grave. People can be traumatized by incorrect information derived from unproven tests provided by inadequately skilled or, worse yet, uncaring people. Take the case of Gary. Gary was a literary editor who worked for a large financial services company.