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Table 1 Means, standard deviations, difference scores and p values for estimated grade point averages (0.00 to 4.00) of prenatal cocaine-exposed or non-exposed eighteen year-old women for 3 media conditions.

From: Comparing attitudes about legal sanctions and teratogenic effects for cocaine, alcohol, tobacco and caffeine: A randomized, independent samples design

Media Exposed Non-exposed Difference p value
Neutral 2.333 (0.568) 3.123 (0.262) 0.791 .0001
Negative 2.335 (0.582) 3.253 (0.918) 0.918 .0001
Positive 2.933 (0.443) 3.029 (0.358) 0.096 > .05