Spencer2012.RdData from a repeated acquisition single-case experimental design evaluating vocabulary knowledge using an expressive definition task. The variables are as follows:
Observation. Participant number.
Book. Book used for evaluation.
Pre. Pre-intervention score on the expressive definition task.
Post. Post-intervention score on the expressive definition task.
A data frame with 81 rows and 4 variables
Spencer, E., Goldstein, H., Sherman, A., Noe, S., Tabbah, R., Ziolkowski, R., & Schneider, N. (2012). Effects of an automated vocabulary and comprehension intervention: An early efficacy study. Journal of Early Intervention, 34, 195-221. doi:10.1177/1053815112471990