Interaction Numbers

The eleven 1-on-1 interactions in a 5 member team.

A leader knows about the number of interactions he asks people to develop.  How many before you are overwhelmed?

Reporting Relationships in a Simple Team

Relationship

General

Equation

(n=number or reports)

Example (n=4 reports)

Number

Includes

Involving You

   direct single

n

4

A  B  C  D

   direct group

2ⁿ-n-1

11

AB AC AD BC BD CD

ABC ABD ACD BCD

ABCD

Involving Only Them (not you)

  cross single

n(n-1)/2

6

AB AC AD BC BD CD

  cross multiple

2ⁿ-(n²+n+2)/2

5

ABC ABD ACD BCD

ABCD

Sum

   all above

2ⁿ⁺¹-n-2

26

all above