ZelazoKolb1972: "Walking" in the newborn (4 treatment groups)
Description
The Zelazo, Zelazo and Kolb (1972) dataset consists of ages (in months) at which
an infant starts to walk alone from four different treatment groups (Active-exercise,
Passive-exercise, 8 week Control, No-exercise).
Usage
data(ZelazoKolb1972)
Arguments
Format
A data frame of 23 observations of 4 treatment variables.
Age
Age in months
Group
Active-exercise, Passive-exercise, 8-week Control group, No-exercise