Born together--reared apart: the landmark Minnesota twin study

Introduction

The Jim twins (February-March 1979)

15,000 questions x 137 pairs

Early findings (1979-1983)

Sexual orientation, cognition, and medical traits (1984-1987)

Pivotal papers: personality and IQ (1988 and 1990)

Job satisfaction, cardiac characteristics, and more (1989-1990)

Psychopathology and religiosity (1990)

Dental traits, allergies, and vocational interests (1991-1992)

Creativity, work values, and evolution (1992-1993)

Family environments, happiness, sensation seeking, and the MMPI (1994-1997)

"Larks" and "owls," ego development, and authoritarianism (1998-2002)

Twin relationships, social attitudes, and mental abilities (2003-2005)

Sexual development, fluctuating asymmetry, body size, and the structure of intelligence (2006 and beyond)

Questions, answers, and twin studies of the future.

Frontmatter

Contents

Introduction

CHAPTER ONE. The Jim Twins (February- March 1979)

CHAPTER TWO. 15,000 Questions × 137 Pairs

CHAPTER THREE. Early Findings (1979- 1983)

CHAPTER FOUR. Sexual Orientation, Cognition, and Medical Traits (1984- 1987)

CHAPTER FIVE. Pivotal Papers: Personality and IQ (1988 and 1990)

CHAPTER SIX. Job Satisfaction, Cardiac Characteristics, and More (1989- 1990)

CHAPTER SEVEN. Psychopathology and Religiosity (1990)

CHAPTER EIGHT. Dental Traits, Allergies, and Vocational Interests (1991- 1992)

CHAPTER NINE. Creativity, Work Values, and Evolution (1992- 1993)

CHAPTER TEN. Family Environments, Happiness, Sensation Seeking, and the MMPI (1994- 1997)

CHAPTER ELEVEN. "Larks" and "Owls," Ego Development, and Authoritarianism (1998- 2002)

CHAPTER TWELVE. Twin Relationships, Social Attitudes, and Mental Abilities (2003- 2005)

CHAPTER THIRTEEN. Sexual Development, Fluctuating Asymmetry, Body Size, and the Structure of Intelligence (2006 and Beyond)

CHAPTER FOURTEEN. Questions, Answers, and Twin Studies of the Future

APPENDIX A. Funding Sources

APPENDIX B. Glossary

Notes

Acknowledgments

Index