-Among the ideas bulging from this classic work: performance exemplars, potential for improving performance, behavior-accomplishment distinction, performance matrix, ACORN troubleshooting test, performance audits, states, Worth = Value - Cost, knowledge maps, mediators, and job aids. The great accomplishments Gilbert left behind will continue to profit behavior analysis and performance improvement for a long, long time.- --Ogden Lindsley, Behavior Research Company

-Human Competence is probably the most borrowed and least returned...