Fig 1.
Schematic of each treatment condition and procedures.
Fig 2.
Spaghetti plot of observed data for each participant during the period under study and means (solid line) of the different treatment groups.
Table 1.
Descriptive statistics of written composition skills and time-varying covariates across time.
Table 2.
Results of fitting alternative multilevel models for change to the composition skills data.
Table 3.
Results of fitting alternative homogeneous and heterogeneous level-1 variance models for change to the composition skills data.