Regarding the Comparison of Identical Twins Reared Together and Reared

question 224

Multiple Choice

Regarding the comparison of identical twins reared together and reared apart, which of the following statements is FALSE?

• A)Identical twins tend to have similar personalities.
• B)Identical twins develop from a single egg and have identical genes.
• C)Identical twins reared together have a correlation between their IQs of 0.86, which only drops to 0.72 when the identical twins are reared apart.
• D)Psychologists who emphasize genetics believe that the correlations between identical twins show that adult intelligence is roughly 80 percent hereditary.

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Definitions:

Average Rate of Return

A financial metric used to estimate the profitability of an investment, calculated by dividing the average annual profit by the initial investment cost.

Internal Rate of Return

The discount rate that makes the net present value (NPV) of all cash flows from an investment equal to zero.

Net Present Value

A financial metric that calculates the difference between the present value of cash inflows and outflows over a period of time.

Present Value Factor

A factor used in calculating the present value of a cash flow that will be received or paid at a future date.