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

question 34

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 reduces migraines. She randomly selects 100 people for his study - 50 who will take the medication, and 50 who will take a placebo. The patients are examined once a week for six weeks.

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

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Definitions:

Office Supplies

Consist of consumable items that are used in the daily operations of an office, such as paper, pens, and ink.

Physical Counts Of Inventory

The manual counting of all merchandise or stock in a business at a particular time to verify accuracy against recorded inventory levels.

Perpetual System

An inventory accounting system that records purchases and sales of goods instantly through computer systems, without periodically physically counting inventory.

Inventory Adjustment

Modifications made to inventory records to reflect actual inventory levels, often after a physical count.