In Earlier Cross-Sectional Studies of Age-Related Changes in Intelligence, the Typical

question 105

Multiple Choice

In earlier cross-sectional studies of age-related changes in intelligence, the typical finding was that crystallized intelligence _________ and fluid intelligence _________ during middle adulthood.

• A) remained the same or increased; remained the same or increased
• B) declined; declined
• C) remained the same or increased; declined
• D) declined; remained the same or increased

---

Definitions:

Assignable Causes

Sources of variation in a process or system that can be identified and usually eliminated, distinguished from random causes that are inherent in the system.

Production Environment

The setting where software and systems are deployed and operated for end-users in real-world scenarios, often contrasted with development or testing environments.

Control Chart

A graphical tool used to monitor, control, and improve process performance over time by detecting significant variations.

Standard Deviations

Measurements indicating the amount of variation or spread in a set of values, highlighting how much each number differs from the mean.