Identify the Following as an Experiment or an Observational Study

question 27

Multiple Choice

Identify the following as an experiment or an observational study.
-In a clinical trial, 780 participants suffering from high blood pressure were randomly assigned to one of three groups. The first group received a blood pressure medication, the second group received a placebo, and the
Third group received no treatment. The change in blood pressure over a two-month period was recorded for
Each participant.

• A) Observational study
• B) Experiment

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Definitions:

Miscarriage

The spontaneous loss of a pregnancy before the fetus can survive outside the uterus, typically before the 20th week of pregnancy.

Fetal Alcohol Syndrome

A condition in a child that results from alcohol exposure during the mother's pregnancy, causing brain damage and growth problems.

Intellectual Development

The process of developing the mind and increasing the ability to understand, reason, and make judgments throughout life.

Arousal States

These are different levels of alertness or physical and psychological activity, ranging from sleep to intense activity.