Several students are reviewing the material in the Intelligence chapter of their psychology text in preparation for an upcoming test. Which student is offering the BEST explanation of the Flynn effect?
A) Janna: "The effect is rooted in better health care."
B) Kelly: "The effect stems from improved nutrition over the past few decades."
C) Lorraine: "The effect results from the increased complexity of most cultures worldwide."
D) Marcus: "The effect reflects evolution in action."

Question

Quizplus · Accepted Answer

The Flynn effect refers to the observed rise in average IQ scores over time, across many parts of the world. This increase is believed to be largely due to environmental factors such as better education systems, more complex environments, and improved nutrition, rather than biological evolution. Among the options, Lorraine's explanation that the effect results from the increased complexity of most cultures worldwide best captures the essence of the Flynn effect, as it acknowledges the role of environmental complexity and cognitive stimulation in this phenomenon.

Several Students Are Reviewing the Material in the Intelligence Chapter