Historically Low Productivity by the United States Congress: Snapshot of a Reinforcement-Contingency System in Transition

The Psychological Record (2015) - Comment
doi: 10.1007/s40732-014-0098-8 issn: 0033-2933 issn: 2163-3452

Thomas S. Critchfield, Derek D. Reed, David P. Jarmolowicz