From: CAF indices and human ratings of oral performances in an opinion-based monologue task
 | Type | Specific measure | Calculation |
---|---|---|---|
Complexity | Syntactic complexity | Clauses per AS-unit | Number of clauses/number of AS-units |
Mean length of AS-units | Number of words/number of AS-units | ||
Lexical diversity | MTLD | MTLD | |
Accuracy | Global measures | % of error-free AS-units | Number of error-free AS-units/total number of AS-units |
Fluency | Breakdown fluency | Mean length of pauses | Sum of pauses/number of pauses |
Repair fluency | Number of repairs | Total number of repairs | |
Speed fluency | Mean length of syllables | Spoken time/number of syllables | |
Combination | Mean length of run | Total number of syllables/number of runs | |
Phonation time ratio | Spoken time/total time |