An R² close to 1

question 5

Multiple Choice

An R² close to 1

• A)does not happen with real data.
• B)indicates that almost all of the variation in the dependent variable is explained by the regression.
• C)does not explain variation as well as an R² that is above 2.
• D)means that the regression line does not fit the data very well.

---

Definitions:

Spacing Effect

A phenomenon in which learning is greater when studying is spread out over time, as opposed to studying the same amount of content in a single session.

Distributed Study

A learning technique where study sessions are spread out over time, as opposed to cramming all material into a short period, enhancing long-term retention of information.

Massed Study

An educational technique involving studying material intensely over a short period of time without taking breaks, contrasted with spaced repetition.

Long-Term Retention

The ability to hold onto information or skills for extended periods, often many years.