Table 3.

The collection methods and content of the 8 data categories.

	Data Categories	Collection Methods	Data Content
200 teacher samples	Movement	Collect teachers’ movements per 3 s	Movement number (1–9) and corresponding time
	Emotion	Collect teachers’ emotions per 3 s	Emotion numbers (1–2) and corresponding time
	Volume and Speed	Collect teachers’ volume (dB) and speed (word per minute) per 3 s	Volume value, speed value and corresponding time
	Speech Text	The content sequence of process speech text in the whole class	Every sentence and its start and end time
	Labels	Three evaluation labels marked by experts to evaluate the teachers from the courses.	Teaching type (1–3), Teaching style (1–3), Media usage (1–2).
300 student samples	Movement	Collect students’ movements per 3 s	Movement numbers (1–8) and corresponding time
	Emotion	Collect students’ emotions per 3 s	Emotion numbers (1–2) and corresponding time
	Labels	According to the test after class and the Concentration and Participation in the whole class	Scores of the tests, Concentration and Participation in class