Table 4.

Video/Audio Count Measures, normed by minutes in recording (column 2) and divided without norming (column 3)

Measure	Inflation (normed)	Video-fraction Mean(SD)
Minutes	NA	0.07 (0.01)
Awake minutes	NA	0.1 (0.02)
Types	3.00	0.31 (0.13)
Tokens	2.30	0.25 (0.15)
Speakers	3.90	0.44 (0.2)
Mother	3.00	0.32 (0.22)
Father	1.10	0.13 (0.26)
Declaratives	1.90	0.19 (0.09)
Questions	3.10	0.33 (0.16)
Imperatives	2.60	0.27 (0.23)
Singing	2.30	0.65 (1.46)
Reading	2.90	1.02 (2.76)
Short phrases	2.50	0.3 (0.25)
Object presence	2.90	0.34 (0.28)

Note. If videos contained equivalent quantities of nouns, Inflation values would be 1, and Video-fractions would be .1