1. direct correlation-a correlation in which large values of one variable are associated with large values of the other and small with small; the correlation coefficient is between 0 and +1.
The Causes of Alcoholism. 1  Gender: Gender can play a role. Men are more likely to develop alcoholism (this is not to say, however, that there are not alcoholic women, there are). 2  Frequency: As mentioned above another cause of alcohol addiction can be drinking regularly AND above moderate drinking guidelines.
Home > Addiction > 10 Most Common Addictions. 1  Tobacco (nicotine) â Over 40 Million. Nicotine addiction may not appear as harmful as many other addictions. 2  Alcohol â 18 Million. The social acceptance of drinking can make alcohol addiction hard to spot. 3  Marijuana â 4.2 Million.