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. Author manuscript; available in PMC: 2017 Feb 1.
Published in final edited form as: Biol Psychol. 2015 Dec 29;114:39–48. doi: 10.1016/j.biopsycho.2015.12.008

Table 1. Mean RSA Values for Preschool Children and Their Mothers During the Strange Situation Procedure.

Child RSA (N = 130) Maternal RSA (N = 134)

Secure
(n = 58)
Insecure–
Avoidant
(n = 19)
Insecure–
Resistant
(n = 13)
Insecure–
Disorganized/
Other (n = 40)
Secure
(n = 58)
Insecure–
Avoidant
(n = 19)
Insecure–
Resistant
(n = 15)
Insecure–
Disorganized/
Other (n =40)
Episode M SD M SD M SD M SD M SD M SD M SD M SD
1 4.99 1.24 5.42 1.58 5.19 1.11 5.13 1.15 6.11 1.26 5.75 0.88 5.98 1.15 5.83 1.35
2 5.16 1.40 5.59 1.48 5.15 1.45 4.95 1.07 6.04 1.14 5.76 0.67 6.14 1.28 5.64 1.45
3 4.94 1.21 5.96 1.70 4.88 1.49 5.09 1.17 5.66 1.12 5.64 1.15 5.83 1.28 5.13 1.31
4 4.96 1.22 5.31 1.53 5.09 1.21 4.93 1.30 6.11 1.12 5.79 0.75 5.93 1.25 5.88 1.21
5 5.19 1.38 5.22 1.31 4.72 1.47 4.97 1.07 5.63 1.18 5.40 0.97 5.69 1.30 5.38 1.45
6 5.11 1.38 5.68 1.39 4.70 1.50 5.02 1.13 5.57 1.31 5.35 0.91 6.32 1.16 5.39 1.34
7 5.23 1.26 5.41 1.38 5.09 0.81 5.23 1.05 5.89 1.17 5.60 0.71 5.92 1.13 5.74 1.34