Cross-Sectional Studies Are the Most Common Epidemiologic Investigations in Medicine

question 1

True/False

Cross-sectional studies are the most common epidemiologic investigations in medicine and clinical research.

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Definitions:

One-Sample Test

A statistical test used to determine whether a sample mean significantly differs from a known or hypothesized population mean.

Hypothesized Proportion Value

A specified value of a population proportion in hypothesis testing that serves as the basis for comparing with the proportion observed in the sample data.

Proportion

A part, share, or number considered in comparative relation to a whole; a fraction or percentage of a total.

Z-Test

A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.