TABLE 1.

Number of Infants Exhibiting Each Facial Expression During Each Situation

	Tickle		Sour Taste		Arm Restraint		Masked Stranger		Total Number of Infants Exhibiting		Cochran's Q (df=3)
Expression	4 mos.	12 mos.	4 mos.	12 mos.	4 mos.	12 mos.	4 mos.	12 mos.	4 mos.	12 mos.	4 mos.	12 mos.
Full-face
expressions
Joy	79	93	31	16	44	38	58	51	118	109	41.8**	107.7**
Surprise	9	2	3	2	22	4	31	10	52	15	34.4**	10.8*
Anger	3	1	5	4	14	33	10	2	25	38	11.1*	73.5**
Disgust	2	1	11	26	10	15	9	4	16	35	12.5*	40.2**
Fear	1	1	4	1	5	2	4	5	14	8	2.6	5.2
Sadness	1	0	14	9	7	7	5	1	25	16	13.8**	14.4**
Interest	87	53	125	102	136	122	136	121	150	149	68.6**	94.6**
Cochran's Q(df=6)	394.8**	405.6**	472.5**	371.4**	471.2**	404.7**	468.5**	493.6**	471.2**	482.5**
Blends
Anger	5	5	19	13	15	25	5	4	38	34	15.2**	31.7**
Fear	4	1	17	1	5	8	7	2	23	12	17.1**	11.3*
Sadness	2	2	8	6	5	8	4	3	16	15	4.6	5.6
Surprise	21	7	21	7	69	27	74	53	107	64	85.7**	82.3**
Cochran's Q(df=3)	28.8**	6.1	6.5#	10.8#	131.5**	20.8**	167.3**	126.5**	146.9**	67.9**

Note. Anger blends consisted of anger–other, anger–pain, anger–sadness, interest–anger, and sadness–anger. Fear blends consisted of fear–interest, fear–other, fear–sadness, and interest–fear. Sadness blends consisted of anger–sadness, fear–sadness, interest–sadness, sadness–anger, and sadness–other. Surprise blends consisted of surprise–interest.

^#p≤.10.

^*p≤.05.

^**p≤.01.