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Positive Action logo
Positive Action logo
Positive Action logo
Evidence Based. Internationally Recognized.
Short URL
Outcome
Improvement
Effect Size
p - value
Publication
Study
Date
Substance Use
62%
- -
< 0.01
2013
Alcohol Use - Ever (Student)
29%
-0.35
- -
2012
Alcohol Use - More Than Once (Student)
45%
-0.350
- -
2012
Alcohol Use - Ever (School)
31%
- -
< 0.05
2012
Alcohol Use - More Than Once (School)
43%
- -
< 0.05
2012
Marijuana - Ever (Student)
37%
-0.230
- -
2012
Marijuana - More Than Once (Student)
31%
-0.170
- -
2012
Marijuana - Ever (School)
48%
- -
< 0.05
2012
Marijuana - More Than Once (School)
50%
- -
- -
2012
Substance Use - Composite (Student)
10%
-0.270
< 0.01
2012
Substance Use - Count (Student)
30%
-0.290
- -
2012
Substance Use - Composite (School)
13%
- -
< 0.01
2012
Substance Use - Count (School)
38%
- -
< 0.01
2012
Gotten Drunk - Ever (Student)
41%
-0.290
- -
2012
Gotten Drunk - More Than Once (Student)
46%
-0.220
- -
2012
Gotten Drunk - More Than Once (School)
49%
- -
< 0.05
2012
Gotten Drunk - Ever (School)
41%
- -
< 0.05
2012
Cigarette Use - Ever (Student)
31%
-0.210
- -
2012
Cigarette Use - Ever (School)
34%
- -
< 0.05
2012
Substance Use
31%
- -
- -
2011
Alcohol
46%
0.44
- -
2009
Alcohol - Got Intoxicated
69%
0.75
- -
2009
Alcohol Use - Teacher Report of Student Behavior
5%
0.04
- -
2009
Tobacco
47%
0.41
- -
2009
Tobacco Use - Teacher Report of Student Behavior
38%
0.33
- -
2009
Drug Use
73%
0.82
- -
2009
Drug Use - Got Intoxicated
80%
0.99
- -
2009
Drug Use - Teacher Report of Student Behavior
63%
0.69
- -
2009
Substance Use (2 years vs 3 years)
41%
- -
< 0.001
2009
Substance Use
44%
- -
0.004
2009
High School Substance Use - Low Feeder
27%
0.289
0.032
2003
High School Substance Use - High Feeder
49%
0.289
0.032
2003
Middle School Drug Use - Low Feeder
37%
0.522
0.001
2003
Middle School Drug Use - High Feeder
71%
0.522
0.001
2003
Substance Use
56%
1.26
- -
Prior to 2001
2002