ReasonSpan^™ Decision Lab · Free learning workshops

Would your method survive a changed condition?

Choose the governing method. Change one condition and predict the new decision. Then inspect the calculation, the limits and why each choice fits or fails.

Keep your first saved response, confidence and original reasoning beside a later reflection. Use that evidence to choose your next lesson. Saved distractor-specific repair tasks lead to a fresh problem 24 hours after a completed repair. Timed study-reference logs help you check the source and applicability. No account is needed to try a workshop; sign in before starting to save across devices.

Start the first workshop Open your saved reasoning notebook

See dated internal QC and independent-review status →

1 original workshops · 2 linked learning decisions + 1 delayed fresh checks · Suggested times are study estimates.

PE Civil Construction

A delay can change which path controls

Recalculate both complete paths. Do not add an activity delay directly to project duration.

Dependency, float and critical-path change · Suggested 15 minutes

Choose, change, explain →