Determine If the Following Scenario Is an Observational Study or a Controlled

question 50

Multiple Choice

Determine if the following scenario is an observational study or a controlled experiment. A doctor is interested in determining whether a certain medication increases the risk of high blood pressure. He reviews his patients' medical records and finds that a higher proportion of people who take the medication are suffering from high blood pressure.

• A)Observational study
• B)Controlled experiment
• C)Neither

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Definitions:

Meta-Analysis

A statistical analysis that combines the results of multiple scientific studies to arrive at a conclusion about a body of research.

Descriptive Technique

A research method used for observing and describing behavior in a natural setting without influencing it.

Statistical Procedure

A sequence of operations applied to a set of data to extract information, assess assumptions or test hypotheses.

Pseudoscience

Practices, beliefs, or methodologies that claim to be scientific and factual but lack empirical evidence, scientific method, or are incompatible with scientific research.