Table 5.

Pearson correlation Among “WAI_Therapist” predictors.

#	Predictors for WAI_Therapist	Correlation coefficient score	Included	Description
1	WAI-Client	0.44	Yes
2	Session	0.39	No	Repeated in each epoch
3	Diagnostic	0.33	Yes
4	Outcome	031	No	High correlation with “Diagnostic” (0.42)
5	Termination	0.23	Yes
6	HR_Therapist(mean_Baseline)	0.19	Yes	Repeated value in each epoch for each session number
7	HR_Client(mean)	(−) 0.18	No	High correlation with “HR_Client(mean_Baseline)” (0.75)
8	HR_Client(mean_Baseline)	(−) 0.16	Yes	Choose to aggregate repeated value in each epoch for each session number
9	HR_Therapist(mean)	0.16	No	High correlation with “HR_Therapist(mean_Baseline)” (0.73)
10	Therapist_Sex	0.13	No	High correlation with “HR_Therapist(mean_Baseline)” (0.49)