Behavior

Still-face 1

Still-face 2

F value

Looking at adult

36.2

29.4

N.S.

Sitting next to adult

26.1

26.7

N.S.

Touching adult

6.0

9.5

5.31¹

Wandering around

20.8

15.3

4.25¹

Looking at objects

61.2

55.7

N.S.

Touching objects

52.3

60.8

4.12¹

Playing with objects

48.4

66.9

6.27²