We can use the prototyping method to look at what groups of faces have in common and to compare the average characteristics of different groups.

Female Celebrities
Gillian Anderson Christina Ricci Angelina Jolie Uma Thurman Sarah Jessica Parker Average
Gillian Anderson Christina Ricci Angelina Jolie Uma Thurman Sarah Jessica Parker Average
Professional Rugby Players
Afeaki Besseling Bond Collins Darwin Average
Afeaki Besseling Bond Collins Darwin Average

We can make prototypes of general groups, such as all men, or we can make prototypes of more specific groups, such as all the men in one family. We can even make a prototye of one person from different images of their face.

DeBruine Brothers
Bob Ron Dick Jerry Dave Average
Bob Ron Dick Jerry Dave Average
Eastasian Canadian Male Students
male 1 male 2 male 3 male 4 male 5 Average
male 1 male 2 male 3 male 4 male 5 Average
Eastasian Canadian Female Students
female 1 female 2 female 3 female 4 female 5 Average
female 1 female 2 female 3 female 4 female 5 Average
White Canadian Male Students
male 1 male 2 male 3 male 4 male 5 Average
male 1 male 2 male 3 male 4 male 5 Average
White Canadian Female Students
female 1 female 2 female 3 female 4 female 5 Average
female 1 female 2 female 3 female 4 female 5 Average

The next step is to use these pairs of prototypes to transform other faces on those dimensions.