Gartner raised its own worldwide PC shipment forecast in August to 8.9 per cent growth for 2003 , up from expectations of 7.2 per cent .
Gartner Inc. also raised its worldwide PC shipment forecast in August to 8.9 percent growth for 2003 , up from expectations of 7.2 percent .
- represent less formal attempt to explain phenomena than theories  - deal with abstractions, assembled in a coherent scheme