The Twin Studies Conducted Done by Myrtle McGraw (1935,1939) Concluded

Multiple Choice

The twin studies conducted done by Myrtle McGraw (1935,1939) concluded that:

A) The trained twin exhibited less confidence than the untrained twin
B) There were no differences found in the twins
C) The trained twin exhibited more confidence than the untrained twin
D) The untrained twin exhibited more confidence than the trained twin
E) The twins were so similar genetically that there was no impact