Social psychologists have developed several theories for explaining the ways in which the psychology of a crowd differs from and interacts with that of the individuals within it. Major theorists in crowd psychology include Gustave Le Bon, Gabriel Tarde, Sigmund Freud, and Steve Reicher.
KPIs, or key performance indicators, are measures too. But generally, KPIs are the most important measures for a business or organisation, usually having the highest leverage to impact its success. Due to their catchy name, the term KPI has almost become synonymous with the term performance measure.
4 Push System Vs. MRP stands for material requirements planning and deals with bringing in the right amount of raw material at the right time to support production. MRPII stands for manufacturing resource planning and builds on MRP by adding shop floor production planning and tracking tools. A third-generation system available at time of publication is called ERP, or enterprise resource planning, which integrates all departments of the business, not just manufacturing and purchasing.