BI-301f · Module 1

Influence Weight Estimation

3 min read

Not all influence relationships carry equal weight. The influence network map must distinguish between strong influence (the person whose opinion frequently determines outcomes), moderate influence (the person whose opinion is one of several considered), and weak influence (the person whose opinion is heard but rarely decisive). Weight estimation uses four indicators: decision outcome alignment (when Person A recommends X and the decision is X, how often does this happen?), deference frequency (how often do others defer to this person in discussions?), consultation patterns (who gets consulted before decisions are announced?), and recovery authority (when a decision goes wrong, who gets called to fix it — that person has operational trust that exceeds their formal authority).

Do This

  • Estimate influence weight from observed outcomes, not from titles — the person who consistently predicts what the organization will decide is the person who influences the decision
  • Track deference patterns in meetings — who asks whom for validation before committing to a position
  • Identify "phone-a-friend" patterns — the person that the decision-maker calls before making a final choice carries disproportionate weight
  • Weight historical relationship bonds higher than recent organizational authority — trust built over years outweighs authority granted last quarter

Avoid This

  • Assign influence weight based solely on title — a VP who was just appointed has less actual influence than a director who has been trusted for eight years
  • Treat all relationships as equal — the difference between strong and weak influence is the difference between decisive and decorative
  • Ignore indirect influence — a person who influences the influencer has second-order weight that affects outcomes even though they are not in the room