t-shirt sizing, 145–146
talking about estimates. See communication; principled negotiation
targets, 3, 173, 269
communicating about, 4–6
determining if realistic, 13
tasks and responsibilities (project-related)
allocating effort to, 233–238
checklists, 110
defect production estimates, 241
granularity of, 106, 116
overall best/worst case, creating, 120–126
overlooked in estimates, 44–46, 110
team credibility, 28. See also communication
team estimates. See structured expert judgment
team size. See project effort
technical foundation, underestimation and, 22
techniques for estimation, 77–81
by analogy, 127–133
basic approach, 127–132
effort estimates, 209–210
estimating project size, 205
estimating schedule, 223–224
obtaining detailed information, 128
size comparisons, 129
uncertainty with, 128
applicability tables, explained, 81
computation, 83–84
converting counts to estimates, 86–88
stage-gate processes, 187
counting, 84–86
computing estimates with, 86–88
function points, 200
stage-gate processes, 187
Delphi technique, 150–155
how to choose, 77–80
judgment. See expert judgment; off-the-cuff estimates
multiple approaches, using, 165–169
for effort, 218
for project size, 206
ranges, presenting, 256
for schedules, 231–232
stage-gate processes, 187
proxy-based, 135–147
fuzzy logic, 136–138, 205
standard components approach, 138–141
story points, 142–144, 205
t-shirt sizing, 145–146
software. See estimation software
test for estimation skills, 15–19, 273
tester-to-developer ratios, 237
tightening estimates. See flow of estimates
time measures, data on, 95, 97. See also schedules
time periods, expressing, 255
tool support, effect of, 65
tools, estimation. See estimation software
total activity, estimating, 235
tracking accuracy of estimates, 111
tracking progress
requirements changes and, 42
visibility of completion status, 27