Ainsworth’s
Attachment Classifications
versus
Thomas
& Chess’s Temperament Profiles
Temperament Profile
Percent
of
Infants
Attachment Classification
Percent
of
One Year Olds
Slow to Warm Up
Avoidant
Difficult
Resistant
Easy
Secure
60%
15%
23%
63%
8%
29%
Data drawn from a
similar chart created by faculty at the University of Western Ontario for
undergraduate students taking course 240 B .
No specific faculty
author is listed. Retrieved at
http://www.ssc.uwo.ca/psychology/undergraduate/psych240b-2/lectureslides/attachment_final.ppt#79