exer {mrt} | R Documentation |
These data are from Hill et al. (2007) and are used to illustrate multilevel modeling.
data(exer)
A data frame with 503 observations on the following 12 variables.
wcond
class
w1sn02
w2sn02
w1int
w2int
w1att
w2att
z1pbc
z2pbc
sqw1
sqw2
Hill, C., Abraham, C., & Wright, D. B. (2007). Can theory-based messages in combination with cognitive prompts promote exercise in classroom settings? Social Science & Medicine, 65, 1049-1058.