Figure 2
From: Testosterone therapy masculinizes speech and gender presentation in transgender men
Fundamental frequency mean (fo) and variation (fo –SD), and estimated vocal tract length (VTL) in ciswomen, transmen, and cismen speakers. Note: ** p < .01; *** p < .001. Fundamental frequency mean and variation were from the Rainbow Passage and vocal tract length was estimated from vowels /ɛ/ and /ɒ/. Error bars represent 95% confidence intervals.
