In Observational Studies, the Variable of Interest

question 62

Multiple Choice

In observational studies, the variable of interest

• A) is not controlled.
• B) is controlled.
• C) must be numerical.
• D) cannot be numerical.

---

Definitions:

Internet of Things

A network of interconnected devices, machinery, and systems designed to collect, exchange, and analyse data, enhancing automation and efficiency.

Smart-Home Devices

Electronic devices that can be controlled remotely providing convenience, such as lighting, thermostats, and security systems.

Temperature

A physical quantity expressing hot and cold, measured with a thermometer and quantitatively determined by the average kinetic energy of the molecules.

Health And Wellness

An approach to healthcare that emphasizes preventing illness and prolonging life, as opposed to treating diseases.