The effectiveness of SIS Training has been tested using behavioral and self-report measures
with follow-up for periods of as much as 19 months after training.

●   SIS training achieved a drug-free middle school (no AOD related school suspensions) for a whole school year (Englander-Golden & Schwarzkopf, 1986). 

●   SIS training results in statistically significant reductions in alcohol/drug related school suspensions. Trained 6^th-9^th grade students had 3.7 times fewer such suspensions compared to untrained students, with p < 0.03 (Englander-Golden, Elconin & Miller, 1985; Englander-Golden, Elconin, Miller & Schwartzkopf, 1986). 

●   Juvenile criminal police offenses such as assaults, vandalism, burglary, etc. among trained 9 ^th-12^th graders were lower by a factor of 4.5 than among untrained students over a period of 19 months past training. In addition, there were significantly fewer offenders among trained students, with p < 0.015 to p < 0.008 (Englander-Golden, Elconin, Miller, Schwartzkopf and Lyle, 1989).

●   Trained 3^rd -12^th grade students showed significant increases in behavioral intentions to implement constructive decisions in difficult situations and feel more at ease doing so after SIS training, with p < 0.01 to p < 0.0001 for 4^th –12^th graders and p < 0.048 for 3 ^rd graders (Englander-Golden, Elconin & Miller, 1985; Englander-Golden, Elconin, Miller & Schwartzkopf, 1986b; Englander-Golden, et al., 1996). Similar results were obtained with 9^th –12 graders on questions pertaining to sexual behavior, p < 0.002 (Englander-Golden, et al., 1996).

●   Statistically significant increases in behavioral intentions to implement constructive decisions in difficult situations have been found with youth for all age groups in a variety of training settings in addition to schools such as juvenile detention, p < 0.040, in chemical dependency treatment, p < 0.028 (Englander-Golden et al., 1996), probation, group homes, alternative schools for pregnant teens and teens with other problem behaviors (unpublished). Reductions in precocious sexual behavior/pregnancy and conflicts that lead to violence have also been reported (Morton, 1990; Edwards & Maxson, 1994). 

●   With adults and youth, SIS training results in significant increases in empowering communications and quality of life, and reductions in disempowering communications, p < 0.007 to p < 0.001 (Englander-Golden et al., 1996; Englander-Golden & Golden, 1998).

●   SIS has been extended to residential and out-patient chemical dependency treatment (Englander-Golden, et al., 2002; Wood, Englander-Golden, Golden & Pillai, 2007)

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