What a scale actually means and what we can do with it depends on what its numbers represent. Numbers can be grouped into 4 types or levels: nominal, ordinal, interval, and ratio. Nominal is the most simple, and ratio the most sophisticated. Each level possesses the characteristics of the preceding level, plus an additional quality. Nominal. Nominal is hardly measurement.
If that's not bad enough, then consider the fact that, over the long-term, alcohol can cause you to be more likely to get sick and can result in severe liver damage. This is because alcohol leads to a condition called cirrhosis, which is the scarring of the liver.
Alcohol Affects Reaction Time. A delay in reaction time while under the influence of alcohol is one of the key reasons that it is dangerous to drive a vehicle after drinking. Alcohol impairs many cognitive functions, but until recently it was undetermined how the built-in control systems of the brain were affected by alcohol.