T is a senior manager tasked with planning the move of the company headquarters from a city centre location to a rural estate location. More than 70 staff will be impacted by the move.

T feels confident that the practical aspects of the move have been addressed well but is unsure about the reaction from staff, some of whom may have to move house. He has decided to apply a well known model to analyse the situation.

Drivers in favour of change and resisting factors to change are all plotted out on a diagram and then analysed in depth. What is the name of this technique?