@article{d167b57722c64dc0b02ba17e00c2222d,
title = "What can we learn from the study of twins about genetic and environmental influences on interpersonal affiliation, aggressiveness, and social anxiety?: a meta-analytic study",
author = "Beatty, {Michael J.} and Heisel, {Alan D.} and Hall, {Alice E.} and Levine, {Timothy R.}",
note = "Over the past ten years, studies comparing monozygotic (identical) and dizygotic (fraternal) twin pairs in terms of intelligence, personality, and social behavior have increasingly appeared in major research journals. Importantly, many of the variables examined are central constructs in communication theory. Assertiveness, social anxiety, self-monitoring, and empathy are but a few of the variables studied in the twins literature.",
year = "2002",
month = mar,
day = "1",
doi = "10.1080/03637750216534",
language = "American English",
volume = "69",
journal = "Communication Monographs",
}