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Vikki Velasquez is a researcher and writer who has managed, coordinated, and directed various community and nonprofit organizations. She has conducted in-depth research on social and economic issues ...

If you purchase an independently reviewed product or service through a link on our website, SheKnows may receive an affiliate commission. The cooking classes are all priced differently. Some have low ...

Study objective: In social epidemiology, it is easy to compute and interpret measures of variation in multilevel linear regression, but technical difficulties exist in the case of logistic regression.