Mark Rosenzweig's famous study of rats that were raised in either "enriched" or "impoverished" environments demonstrated that rats raised in enriched environments:
A) lived longer
B) gained more weight
C) had heavier, more complex brains
D) had more difficult mating with other rats when they reached maturity

Question

Quizplus · Accepted Answer

Mark Rosenzweig's study showed that rats raised in enriched environments had heavier, more complex brains compared to those raised in impoverished environments. There was no evidence to suggest that they lived longer or gained more weight, and the study did not investigate mating difficulties.

Mark Rosenzweig's Famous Study of Rats That Were Raised in Either