Research question formulation — Flashcards

_____ studies are observational studies that compare a group of people with disease to a group without disease

What statistical test is used to check differences between the means of THREE or more groups? _____

What selection bias occurs when specifically selecting patients from a hospital? _____

A method of statistical analysis that pools summary data (ex. means, RRs) from multiple studies for a more precise estimate of the size of an effect is known as _____

What type of bias is likely to occur in when asking patients with disease versus patients without disease about prior risk factors? _____

The power of a study is increased with _____ precision of measurement

If the confidence interval does not include the null value, the result is statistically _____

What is the ANOVA test used for? (biostatistics)

prevalence (epidemiology)

meta-analysis (epidemiology)