Use the Guidelines to Evaluate the Study

question 139

Essay

Use the guidelines to evaluate the study. Discuss flaws that you see in the study.
-A pharmaceutical company wants to test its new medication to lower blood pressure. It
randomly selects 1000 people with high blood pressure and randomly assigns each person
to one of two groups. The first group receives the medication for a month and also
suggestions as to how to improve their diet. The control group receives a placebo
medication and no dietary suggestions. At the end of the month each person's blood
pressure is again taken. The average change in blood pressure is compared for the two
groups.

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Definitions:

Parietal Lobes

The parietal lobes are regions of the cerebral cortex located at the upper back area of the skull, crucial for processing sensory information regarding the location of parts of the body as well as interpreting visual information and processing language and mathematics.

Perception Of Pain

The subjective interpretation and experience of discomfort or suffering that can have physical and emotional components.

Gustatory System

The sensory system responsible for the perception of taste and flavor.

Gestalt Principles

Theories of visual perception developed by German psychologists, which describe how people tend to organize visual elements into groups or unified wholes.