The Major Contributor to 80-Year-Old Mr

question 65

Multiple Choice

The major contributor to 80-year-old Mr.Samson's change in cognitive performance over the last few years is

• A) the slowdown of his central nervous system functioning.
• B) age-related declines in his reasoning ability.
• C) declines in his spatial abilities.
• D) All of these

---

Definitions:

Generalization

A broad statement or an idea that applies to a group based on experiences with or observations of a smaller segment of the group.

Controlled Experiments

Experimental designs in which researchers manipulate variables under controlled conditions to determine cause and effect.

Correlation

A mutual relationship or connection between two or more things, where one does not necessarily cause the other.

Causal Relationship

A connection between two events where one is the effect of the other or happening as a result of the other.