Table 2 ALM calculation.
From: Evaluating atypical language in autism using automated language measures
Language construct | Literature source for construct | ALM | Calculation method |
|---|---|---|---|
Utterance length | Gorman et al. (2015) | MLUM | Mean length of utterance in morphemes in all complete, fluent, and intelligible c-units |
Total words | Gorman et al. (2015) | NDWR | Total number of different word roots in all complete, fluent, and intelligible c-units |
Uh versus um | Gorman et al. (2016) | Um Proportion | \(\frac{{\#}\ \hbox {um}}{{\#}\ \hbox {um} + {\#}\ \hbox {uh}}\) |
Filler versus content mazes | MacFarlane et al. (2017) | Content Maze Proportion | \(\frac{{\#}\ \text {content mazes}}{{\#}\ \text {content mazes} + {\#} \text {fillers}}\) |
Intelligibility | Abbeduto et al. (2020) | Unintelligible Proportion | \(\frac{{\#}\ \text {c-units partially or fully unintelligible}}{\text {total}\ {\#}\ \text {c-units}}\) |
C-units Per Minute | Abbeduto et al. (2020) | CPM | \(\frac{{\#}\ \text {attempted c-units}}{\text {length of task (minutes)}}\) |
Repetition of others | van Santen et al. (2013) | Repetition proportion | \(\frac{{\#}\ \text {words}\ \ge 2\ \text {repeated from examiner}}{\text {total}\ {\#}\ \text {child words}}\) |
