When Testing Hypotheses

question 99

Multiple Choice

When testing hypotheses,

• A) scientists try to use their biases to the best advantage.
• B) scientists try to determine the connection that exists between dependent and independent variables.
• C) scientists are uninterested in variables.
• D) scientists are focused on establishing spurious correlations.

Interpret the effect of exposures on health outcomes using relative risk.

Differentiate between absolute risk and relative risk.

Calculate and interpret odds ratios in unmatched and matched case-control study designs.

Understand the effect of preventive measures on health outcomes.

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Definitions:

Sampling Distribution

Refers to a statistical distribution that represents all possible values of a statistic for a given size of samples drawn from a population.

Variability

The extent to which data points in a statistical distribution or dataset differ from each other.

Difference

In statistics, this refers to the subtraction of one value from another to determine the gap or extent of variation between them.

Directional Null Hypothesis

A type of null hypothesis that specifies the direction of the difference or association between two variables.