What Are the Findings from Cross-Sectional Studies on IQ That

question 51

Multiple Choice

What are the findings from cross-sectional studies on IQ that are no longer thought to be true?

• A) Intelligence peaks in early adulthood, declines through middle adulthood, and drops steeply in late adulthood.
• B) Intelligence varies by gender with males' IQ showing greater declines over time than females' IQ.
• C) IQ scores increase into middle adulthood.
• D) Intelligence varies by gender with females' IQ showing greater declines over time than males' IQ.

---

Definitions:

Numerical

Pertaining to numbers, often used to describe data or methods that involve the manipulation or analysis of numbers.

Sample Space

The collection of every potential result that can occur from a statistical experiment.

Event

An outcome or set of outcomes within a sample space; something that can occur in an experiment.

Conditional Probability

The likelihood that one event happens assuming a different event has already taken place.