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When compared with the general population, gay and bisexual men, lesbians, and transgender individuals are less likely to use alcohol and drugs, have lower rates of substance abuse, and are more likely to abstain from alcohol and drug use.
Normal Distribution
A statistical distribution where data is symmetrically distributed around the mean, with most observations clustering around the center and fewer observations the further away they are from the mean.
Observational Studies
A study where the researcher observes and records behavior without manipulating the environment or conditions.
Experiments
A procedure undertaken to test a hypothesis, typically involving the manipulation of variables to observe the effect on some behavior or condition.
Sample
A subset of individuals or observations drawn from a population used for statistical analysis, intended to represent the population from which it is drawn.
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