Table 2.

Participant initial TTS support and feature preferences.

Participant	Initial preferences
	Voice	Rate (wpm)	Highlighting type	Highlighting color
A	Male	160	Word	Blue
B	Male	160	Word	Blue
C	Female	160	Word	Yellow
D	Male	160	Word	Blue
E	Female	220	None	None
F	Male	160	Sentence	Yellow
G	Female	190	Sentence	Blue
H	Female	160	Sentence	Green
I	Male	190	Sentence	Gray
J	Male	160	Sentence	Yellow
K	Male	130	Sentence	Pink
L	Female	130	Sentence	Green
M	Male	160	Word	Yellow
N	Male	190	None	None
O	Male	160	Word	Yellow
P	Male	190	Sentence	Yellow
Q	Female	190	Sentence	Pink
R	Female	190	None	None
S	Female	100	Word	Yellow
T	Female	220	Sentence	Gray

Note. TTS = text-to-speech; wpm = words per minute.