Data from a multiple baseline design conducted by Laski, Charlop, & Schreibman (1988). The variables are as follows:
case
. Child identifier.
outcome
. Frequency of child vocalization, as measured by
a partial interval recording procedure with 60 ten-second intervals per session.
time
. Measurement occasion.
treatment
. Indicator for treatment phase.
A data frame with 128 rows and 4 variables
Hedges, L. V., Pustejovsky, J. E., & Shadish, W. R. (2013). A standardized mean difference effect size for multiple baseline designs across individuals. Research Synthesis Methods, 4(4), 324-341. tools:::Rd_expr_doi("10.1002/jrsm.1086")