Dennis2021.RdData from a Repeated acquisition single-case experimental design evaluating vocabulary knowledge using an expressive definition task. The variables are as follows:
Participant. Participant identifier.
Condition. Indicates condition, application (App) or teacher (TCH).
Observation. Within-series session-number
Pre. Pre-intervention score on the expressive definition task.
Post. Post-intervention score on the expressive definition task.
A data frame with 90 rows and 5 variables
Dennis, L. R., & Whalon, K. J. (2021). Effects of teacher-versus application-delivered instruction on the expressive vocabulary of at-risk preschool children. Remedial and Special Education, 42(4), 195-206. doi:10.1177/0741932519900991