A 2008 Twin Study by Nicolaou and Shane Using 870

question 30

Multiple Choice

A 2008 twin study by Nicolaou and Shane using 870 pairs of identical twins and 857 pairs of same-sex fraternal twins to study entrepreneurial activity found that entrepreneurs are

• A) 100 percent made.
• B) about 50 percent born and 50 percent made.
• C) 100 percent born.
• D) about 80 percent born and 20 percent made.
• E) about 40 percent born and 60 percent made.

---

Definitions:

Manual Signals

Gestural or hand signals used as a form of non-verbal communication, often seen in sign languages or as part of body language.

Aphasic

Refers to having aphasia, a condition characterized by the loss or impairment of the power to use or comprehend words, usually resulting from brain damage.

Specific Language Impairment

Specific Language Impairment is a developmental disorder that affects language acquisition in children without accompanying hearing loss or cognitive impairment.

Williams Syndrome

A genetic condition characterized by medical problems, including cardiovascular disease, developmental delays, and learning disabilities alongside a unique personality profile that includes being highly social and having an affinity for music.