twins {faraway}

Twin IQs from Burt

Description

Study of IQ in twins reared apart

Format

A dataframe with the following variables:

Foster

IQ of the fostered child

Biological

IQ of the biological child

Social

social class of natural parents

Source

Burt, C. (1966). The genetic estimation of differences in intelligence: A study of monozygotic twins reared together and apart. Br. J. Psych., 57, 147-153.

References

Weisberg, S. (2014). Applied Linear Regression, 4th edition. Hoboken NJ: Wiley.