Cocaine addiction
Table E
Table E
X2 = 10.71 and df = 2
10.60 < X2 < 11.98
è 0.005 < P-value < 0.0025
The P-value is less than one-half percent,
thus we reject the null hypothesis.
è There is a significant relationship between
treatment type (desipramine, lithium, placebo) and outcome (relapse or
not).