Question: What is Twin Studies?

Answer: Twin studies involve research using identical and/or non-identical twins as participants.

Question: What are Twin Studies used for?

Answer: Twin studies have most commonly been used to conduct research on the development of personality and intelligence.

Question: What are the two types of twins?

Answer: The two types of twins result from different biological processes.

• Monozygotic (or identical) twins

• - Dizyogtic (or fraternal) twins