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. 2020 Jan 16;63(1):216–233. doi: 10.1044/2019_JSLHR-19-00219

Table 3.

Word-learning studies with treatment parameters related to dose density.

Study Number of target words Teaching episodes per target word Session length (min) Dose density
Leonard et al. (1982) 16 5 45 1.78 words/min
Wilcox et al. (1991) 10 15 45 2.22 words/min
Rice et al. (1992) 10 6 12 5 words/min
Rice et al. (1994) 8 3 15.5 1.55 words/min
Rice et al. (1994) 8 10 15.5 5.16 words/min
Solomon-Rice & Soto (2014) 5 10 20 2.5 words/min
Solomon-Rice & Soto (2014) 10 10 20 5 words/min