
J-
Johari Window: developed by Joseph Luft & Harry Ingham, this is a powerful model
for exploring the self in relation to others. Very basically, its quadrants are:-

Several variations of the original version have been developed over the years but
the essential focus of focusing on one person and their relationships with one grouping
at a time has remained consistent -
The exercise can be very powerful in breaking down communication barriers.
However, it does need very careful managing -
Kin Selection: