Table 2.

Means and Standard Deviations for parent sensitivity, infant affect and mind-mindedness by parent and age

	Mother			Father
	3-months	5-months	7-months	3-months	5-months	7-months
Sample Size	n=132	n=127	n=122	n=132	n=124	n=121
Parent Sensitivity	4.21 (.58)	4.21 (.53)	4.38 (.46)	4.08 (.59)	4.10 (.58)	4.17 (.51)
Infant Positive Affect	.11 (.11)	.20 (.19)	.20 (.17)	.09 (.10)	.14 (.15)	.17 (.17)
Infant Negative Affect	.11 (.24)	.05 (.11)	.10 (.19)	.11 (.23)	.07 (.17)	.07 (.14)
Number of Appropriate Mind-Minded Comments	2.49 (2.10)	1.94 (1.70)	1.31 (1.41)	1.86 (2.17)	1.76 (2.05)	1.08 (1.15)
Number of Non-attuned Mind-Minded Comments	.53 (.94)	.23 (.57)	.22 (.47)	.42 (.98)	.27 (.84)	.36 (1.13)
Total Number of Utterances	48.01 (9.93)	47.33 (10.22)	45.80 (11.09)	43.39 (15.25)	42.76 (12.93)	43.66 (12.88)

Note: Values are averaged across the play and reunion episodes of the SFP.