The document discusses the distinction between human performance and behavior, emphasizing that performance refers to the outcomes and accomplishments while behavior encompasses the actions taken towards achieving those outcomes. It presents various examples, such as comparing employees Bruce and Stacey, to illustrate that busy behaviors do not necessarily correlate with higher performance. Additionally, it explores factors influencing performance, such as feedback, skills, and motives, highlighting the importance of a systematic approach to human performance improvement (HPI) in organizational settings.