Turkheimer (2000) Reports That Most Studies Show That the Shared

question 14

Multiple Choice

Turkheimer (2000) reports that most studies show that the shared environment accounts for around ____ of the variation in most traits

• A) 10%
• B) 20%
• C) 40%
• D) 80%

---

Definitions:

Neurotransmitter

Chemical messengers that transmit signals across a chemical synapse, from one neuron (nerve cell) to another target neuron, muscle cell, or gland cell.

Proactive Interference

A phenomenon where older memories interfere with the recall of newer memories.

Retroactive Interference

A phenomenon where newly acquired information interferes with the recall of information learned previously.

Memory Problems

Difficulties in remembering information, which can range from minor forgetfulness to more serious conditions affecting daily life.