Cost Drivers of COCOMO'81

Cost Driver Very Low Low Nominal High Very High Extra High
ACAP Analyst Capability 1.46 1.19 1.00 0.86 0.71 -
AEXP Applications Experience 1.29 1.13 1.00 0.91 0.82 -
CPLX Product Complexity 0.70 0.85 1.00 1.15 1.30 1.65
DATA Database Size - 0.94 1.00 1.08 1.16 -
LEXP Language Experience 1.14 1.07 1.00 0.95 - -
MODP Modern Programming Practices 1.24 1.10 1.00 0.91 0.82 -
PCAP Programmer Capability 1.42 1.17 1.00 0.86 0.70 -
RELY Required Software Reliability 0.75 0.88 1.00 1.15 1.40 -
SCED Required Development Schedule 1.23 1.08 1.00 1.04 1.10 -
STOR Main Storage Constraint - - 1.00 1.06 1.21 1.56
TIME Execution Time Constraint - - 1.00 1.11 1.30 1.66
TOOL Use of Software Tools 1.24 1.10 1.00 0.91 0.83 -
TURN Computer Turnaround Time - 0.87 1.00 1.07 1.15 -
VEXP Virtual Machine Experience 1.21 1.10 1.00 0.90 - -
VIRT Virtual Machine Volatility - 0.87 1.00 1.15 1.30 -