Table 3. Mixed Effects regression of dSAMHappy on Counsellor and SUDS (Experiment 1).

Term	Coef.	Robust S.E.	P	95% C.I.	Cohen’s f  2
Intercept	−0.75	0.68	0.273	−2.08 to 0.59
Counsellor (Self = 0, Freud = 1)	0.81	0.27	0.003	0.27 to 1.34	0.33
SUDS	0.46	0.22	0.033	0.04 to 0.89	0.10

Overall goodness of fit Wald χ² (2) = 18.17, P = 0.0001. (n = 12 groups with 2 sets of observation per group).