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
Laski, K. E., Charlop, M. H., & Schreibman, L. (1988). Training parents to use the natural language paradigm to increase their autistic children's speech. Journal of Applied Behavior Analysis, 21(4), 391-400.
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. doi: 10.1002/jrsm.1086
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