A Model Is a Simplified Representation or Abstraction of Reality

question 153

True/False

A model is a simplified representation or abstraction of reality.

Understand the types and characteristics of different survey study designs, including cross-sectional, panel, trend, cohort, and cross-lagged.

Recognize and avoid common pitfalls in survey question design, including negative wording, double-barreled questions, and leading questions.

Understand the concept and implications of big data in research.

Identify the factors affecting the use of published survey results, including potential biases and the need for proprietary data.

---

Definitions:

Oxygen Saturation

A measure of the amount of oxygen carried by the hemoglobin in the blood relative to its maximum capacity, typically expressed as a percentage.

Pulse Oximetry

A non-invasive method of monitoring an individual's oxygen saturation level in the blood, often using a clip-like device on the finger.

Nasal Cannula

A device used to deliver supplemental oxygen or airflow to a patient or individual needing respiratory help through the nostrils.

Oxygen Hood

A clear plastic hood placed over a patient's head to deliver oxygen at a higher concentration than the surrounding air.