Connie Gersick's research resulted in which of the following?

A) Typical stages of group development
B) Punctuated equilibrium model
C) Model of the role assumption process
D) Model of group cohesiveness
E) Model of factors that influence work group effectiveness

Connie Gersick's research is best known for the punctuated equilibrium model, which suggests that groups do not necessarily progress linearly through stages of development but instead may experience periods of inertia followed by significant change, especially at the midpoint of their time together.