Originally published in 1978, this volume provided a broad survey of the latest research and theory, at the time, concerning the potential detrimental effects of inappropriate uses of tangible rewards to modify behaviour.
... somewhere—anywhere. It doesn't matter. I'll come back for it later and return it. Don't worry about the cost. I can pay you for it.” “I'm not worried about cost. I just don't think you can leave a rental car sitting around for weeks ...