Table 1.

Performance of different algorithms and features sets in the model.

	Counselors	Counselees	Counselor-counselee synchrony	All three sources	Mean MAEs of Algorithms
Linear regression	2.1715	2.2141	2.1625	2.0949	2.1488
Ridge	2.1726	2.2147	2.1627	2.0953	2.1493
Lasso	2.2598	2.2598	2.2598	2.2598	2.2598
SVR	2.1708	2.1977	2.1453	2.0812	2.1368
Random forest	1.8586	2.2640	2.1865	1.8555	2.0060
Mean MAE	2.1255	2.2301	2.1834	2.0773