DESIGN FOR SIX SIGMA (DFSS) TEAM AND TEAM SOFTWARE PROCESS (TSP) - Software Design for Six-Sigma: A Roadmap for Excellence - page 283

PROBE Calculations:
Prediction Range

- Calculate and enter the prediction range for both the size
and time estimates.
- Calculate the upper (UPI) and lower (LPI) prediction
intervals for both the size and time estimates.
- Prediction Interval Percent: List the probability percent
used to calculate the prediction intervals (70% or 90%).

After Development (Added
and Modified)

Enter the actual sizes for base (B), deleted (D), modified
(M), and added base code (BA), parts additions (PA), and
reused parts (R).

APPENDIX 10.A3

PSP Defect Recording

PSP Defect Recording Log Instructions

Purpose - Use this form to hold data on the defects that you find and correct.

- These data are used to complete the Project Plan Summary form.

General - Record each defect separately and completely.

- If you need additional space, use another copy of the form.

Header - Enter your name and the date.

- Enter the program name and number.
- Enter the instructor's name and the programming language you are
using.

Project - Give each program a different name or number.

- For example, record test program defects against the test program.

Date Enter the date on which you found the defect.

Number - Enter the defect number.

- For each program or module, use a sequential number starting with 1
(or 001, etc.).

Type - Enter the defect type from the defect type list summarized in the top

left corner of the form.
- Use your best judgment in selecting which type applies.

Inject - Enter the phase when this defect was injected.

- Use your best judgment.

Remove Enter the phase during which you fixed the defect. (This will generally be

the phase when you found the defect.)

Fix Time - Enter the time that you took to find and fix the defect.

- This time can be determined by stopwatch or by judgment.

Fix Ref. - If you or someone else injected this defect while fixing another defect,

record the number of the improperly fixed defect.
- If you cannot identify the defect number, enter an X.

Description Write a succinct description of the defect that is clear enough to later

remind you about the error and help you to remember why you made it.