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. Author manuscript; available in PMC: 2016 Jun 28.
Published in final edited form as: Psychol Addict Behav. 2015 Nov 30;30(1):1–11. doi: 10.1037/adb0000128

Table 2.

Participants’ Treatment Ratings by Study Group

VAS Item TES + Check-In Program
Group (n=25)
M (SD)
Standard Treatment
Group (n=25)
M (SD)
Items common to both groups
 Interesting 71.7a (17.6) 49.4 (28.3)
 Useful 77.5a (14.4) 52.3 (30.4)
 New Information 74.8a (18.4) 46.2 (29.7)
 Clarified misunderstandings 65a (20.9) 45.4 (25.7)
 Easy to understand 58.5 (31.4) 61.8 (30.1)
 Satisfied 77.2b (17.8) 60.5 (24.1)
Items unique to TES + Check-In
group
 Easy to use 80.7 (16.6) --
 Like 75.6 (18.6) --
 Useful if offered more content 82.3 (14.5) --
 Helped reduce drug cravings 63.2 (27.8) --
 Helped reduce likelihood you’d use 61.8 (27.6) --

Note: All VAS items use a 0-100-point scale in which 0=not at all and 100=a great deal.

a

Difference between mean VAS scores is significant at the p<.0001 level.

b

Difference between mean VAS scores is significant at the p=.0004 level.