Representative Invited Lectures

“Twin Mythconceptions.” Literary Orange, Newport Beach, CA April 7, 2018 (scheduled).

Twins Raised Apart and Together. OLLI, University of California, Irvine, CA, February 12, 2018 (scheduled).


"Twin Mythconceptions." Fullerton Community Nursery School, Fullerton, CA, December 7, 2017 (scheduled).


Science and Journalism. University of California, Irvine (Invited Class Interview)Irvine, CA,November 30, 2017 (scheduled).


“Twin Mythconceptions."  Skeptics Society, Science Salon, September 17, 2017.

Twins Raised Apart: The Science Behind the Stories. Ohlone College, Psychology Club Speaker Series, Fremont, CA, October 10, 2014.

Born Together-Reared Apart. Book Discussion Group "By the Book,"  CSU Fullerton, University Business Institute, February 20, 2014.

A twin research approach to evolutionary questions. Society for Personality and Social Psychology (Evolutionary psychology pre-conference). Austin, TX, February 13-15, 2014.

Twins; 13th Bridges to the Future. American Association for University Women, Chapman University, January 9, 2014.

Born Together-Reared Apart. Institute for Advanced Studies, Hebrew University, Jerusalem. Israel, July 9, 2013.

Twins: The Science and the Parenting Behind the Fascination.  Institute for Advanced Studies, Hebrew University, Jerusalem. Israel, July 9, 2013. http://www.youtube.com/watch?v=Snco6NHJgmQ

Twins Raised Apart and Other Unusual Pairings: Genetics, Personality and Social Relatedness. Center for Behavior, Evolution, and Culture, UCLA, Los Angeles, CA, April 22, 2013.

Born Together-Reared Apart. Humanist Society of Santa Barbara, Santa Barbara, CA, March 16, 2013.

Born Together-Reared Apart. Minnesota Academy of Ophthalmology, Minneapolis, MN, February 8, 2013.

Twins and Their Development. After the Stork, Rancho Santa Margarita, CA, November 27, 2012.

Twins and What They Tell Us About Human Behavior. Department of Psychology, Saddleback College, Mission Viejo, CA, October 9, 2012.

Twins; Developmental and Rearing Issues. Orange Coast Mothers of Multiples, Westminster CA, September 27 2012.

Born Together-Reared Apart. Skeptics Society, Cal Tech, Pasadena, CA, September 16, 2012.

Human Behaviors: What the Study of Identical Twins Reared Apart Reveals About Heredity and Environment. CSU Northridge (Richard E. Smith Lecture Series) April 16,2012 (Sierra Hall)  http://www.csun.edu/csbs/events/2012/Richard%20Smith%20Lecture%20Flyer%2004-16-12-1.pdf

Twins: The Science Behind the Fascination. Committee of 25 Club, Palm Springs, CA, March 5, 2012.

Someone Else’s Twin, Osher Lifelong Learning Institute (OLLI), California State University, Fullerton, February 23, 2012.

Twins Switched at Birth, La Habra Library Series, La Habra, CA, September 25, 2011.

Twins Switched at Birth, Cal Tech Distinguished Lecture Series, Pasadena, CA, September 11, 2011.

Chinese Twins and Adoption, Parents of Adopted Chinese Children, Irvine, CA, April 14, 2010.

Twins: Their Life Stories and What They tell Us About Human Behavior. Fullerton Public Library, March 9, 2010.

Lives of Extraordinary Twins. EZRA Senior Citizen Group. Anaheim Hills, CA. November 13, 2008.

Twins Reared Apart and Together. Twin Studies Center, CSUF, October 15, 2008.

Indivisible by Two. American Express (Book Diversity Group). New York City, NY, August 7, 2008.

Twins, Virtual Twins and Twin Families. Ecology-Evolution Seminar, CSUF, Fullerton, CA March 20, 2008.

Twins and What They tell Us About Human Behavior. Women and Philanthropy. Fullerton, CA January 24, 2008.

Twins: Research and Parenting. Hong Kong Mothers of Multiples (MOMs) Organization.. Hong Kong, January 9, 2008.

Twins and What They Reveal About Human Development. City University, Hong Kong, January 9, 2008.

Twins and Twin Relationships. Beach-Cities Twins Club. Huntington Beach, CA, November 13, 2007.

Indivisible by Two. CSUF 50th Anniversary Open House, CSU Fullerton, September 15, 2007.

Twins and Virtual Twins: What They Tell Us About Human Behavior. Ontiveros Society, CSU Fullerton, May 10, 2007.

Follow Your Bliss. Phi Kappa Phi (invited address). CSU Fullerton, April 17, 2007.

Twins and Virtual Twins: What They Tell Us About Human Behavior. Joslyn Senior Center. Claremont, CA. December 9, 2006.

Twins: Indivisible by Two. Mothers of Twins Club (Multiple Miracles). Santa Ana, CA. October 5, 2006.

CSUF Twin Studies Center: Overview. Visiting student from Jin-ai University, Japan. CSUF, Fullerton, CA, September 26, 2006.

Research on Twins, Osher Lifelong Learning Institute (OLLI). CSU Fullerton, Fullerton, CA. September 18, 2006.

Twins: Indivisible by Two. Lakewood-Long Beach Mothers of Twins Club. Long Beach, CA. August 9, 2006.

Twins: Indivisible by Two. Warwick’s Books, La Jolla, CA, May 4, 2006.

Academic career path. Honors Students, Golden Key, CSU Fullerton, April 19, 2006.

Twins and virtual twins: Insights into human behavior. Address: Outstanding Professor of the Year. CSU Fullerton, April 17, 2006.

Twins: Indivisible by Two. San Fernando Valley Mothers of Multiples. Woodland Hills, CA, April 11, 2006.

“Road to Media Stardom.” California State University (Public Affairs), Fullerton, CA. April 11, 2006.

Indivisible by Two. Southern California Psychology Conference for Community Colleges (Psi Beta), Mt. Sac Community College, Walnut, CA (keynote speaker), April 8, 2006.

Twins. Discovery. Taping: March 20, 2006.

Twins: Indivisible by Two. Heritage Pointe. Anaheim Hills, CA, March 19, 2006.

Twins: Indivisible by Two. Graduate Women In Science. Fullerton, CA, March 11, 2006.

Twins: Indivisible by Two. Pasadena Senior Center. Pasadena, CA, February 23, 2006.

Twins: Indivisible by Two. American Association for University Women. Redlands, CA, February 4, 2006.

Twins: Indivisible by Two. American Association for University Women. Diamond Bar, CA, February 2, 2006.

Twins: Indivisible by Two. Connecticut Mothers of Multiples Club. Norwalk, CT, January 11, 2006.

Twins: Indivisible by Two. New York City Mothers of Multiples Club. New York, NY, January 10, 2006.

Twins: Indivisible by Two (workshop). Southern California Mothers of Multiples Convention. Ontario, CA, November 12, 2005.

Twins: Indivisible by Two. Just Books, Too and Jewish Family Services, Greenwich, CT, November 1, 2005.

Indivisible by Two. Borders Books (Educator Appreciation Weekend), CSU Fullerton, October 15, 2005.

Indivisible by Two. Women’s Center, CSU Fullerton, October 5, 2005.

Indivisible by Two. Skeptics Society, Cal Tech University, September 25, 2005.

Twins and virtual twins: What they tell us (and can tell us) about human behavior. Developmental Psychology Series, Claremont Graduate School, Claremont, CA, April 14, 2005.

Twins: Extraordinary lives. Monthly Meeting, American Association for University Women, Seal Beach, CA, February 12, 2005.

Twins and what they tell us about human behavior. Psychology Department, Fullerton College, Fullerton, CA, September 10, 2004.

Twins and what they reveal about human behavior. Department of Psychiatry, McLean Hospital, Belmont, MA, May 26, 2004.

Virtual twins: What they have told us (and may tell us) about human behavior. Department of Psychology, Harvard University, May 5, 2004.

Behavioral-Genetic and evolutionary perspectives on behavior, via twin research designs. Department of Education and Center for Evolutionary Psychology, University of California, Santa Barbara, April 19, 2004.

Twins and “virtual twins” New research directions. Psychology Department: University of Western Ontario, London, Ontario, Canada, March 28, 2003. Host: Dr. P.A. Vernon.

Twins and what they tell us about human behavior. HSS, Undeclared Undergraduates, CSUF, Fullerton, CA, March 17, 2003.

Twins and what they tell us about human behavior. Psi Chi, CSUF, Fullerton, CA, March 11, 2003.

Twins and what they tell us about human behavior. Presidents’ Associates Program, CSU Fullerton, November 28, 2001.

What twins tell us about human behavior. Psychology Department, Mt. San Antonio College, Walnut, CA November 6, 2001.

What twins tell us about human development. St. Paul Lutheran Church, Fullerton, CA, September 12, 2001.

Segal, N.L. Parenting twins. 92nd Street Y, New York, NY, March 29, 2001.

The myth of twins. Fullerton Unitarian Church, Fullerton, CA, February 25, 2001.

Twins and what they tell us about human development. Human Development Center Colloquium Series, University of California, San Diego, October 27, 2000.

Twins and what they tell us about human development. Departments of Psychology and Anthropology, El Camino College, April 13, 2000.

Entwined Lives. Women’s Center, CSU Fullerton, April 4, 2000.

What twins and other siblings tell us about nature and nurture. Fullerton Junior College, February 17, 2000.

Entwined lives: Twins and what they tell us about human behavior. National Convention of Mothers of Twins, St. Louis, MO, July 25-31, 1999.

Entwined lives. Rotary Club, Fullerton, CA, June 23, 1999.

Twins in science and in our daily lives. Southern California Mothers of Twins Clubs (Guest Speaker). Ventura, CA, November 14, 1998.

Twins Studies of X-Linkage. Edmonton Twin and Triplet Club 1997 POMBA Convention. Edmonton, Alberta, Canada, May 23-25, 1997.

Twins of the Holocaust. CSU Fullerton, History Department, October 24,1996.

The myths of twins: Separating the fact from the fiction. Skeptics Society, Pasadena, CA, December 3, 1995.

Twin studies: What they reveal about you and me. Women’s Center, California State University, Fullerton, CA, October 12, 1995.

Twin research findings and their implications for parenting (keynote address). Annual Meeting, National Organization of Mothers of Twins Clubs, July 27, 1995, Ft. Worth, TX.

Workshop I - K-6:Educating and rearing young twin children: A review of issues and findings; Workshop II - 7-12: Twin studies of mental ability, personality characteristics and psychopathology. Science Conference, Modesto Junior College, March 25, 1995, Modesto, CA.

Twin Research: New Findings and New Applications. Faculty Forum Series, CSU Fullerton, February 28, 1995.

Contributions of twin research to human behavioral development.Women’s Center, CSU Fullerton, February 10, 1994.

Twin Survivors of the Holocaust. Pitzer College, Department of Psychology (Invited Guest Lecturer for a course: Psychology of Evil), March 11, 1993.

Twin Studies: What they reveal about human development. California State University, Long Beach, Department of Psychology Colloquium Series, December 9, 1992.

Twin Research. Psi Chi (Keynote Speaker), Calif. State Univ., Fullerton, May 22, 1992.

Studies of twins: What they reveal about human development. Claremont Graduate School, Claremont, CA, April 24, 1992.

Twin studies of cooperation and competition. Department of Child Development, CSUF, Class Lecture, Fullerton, CA, March 11, 1992.

Nature and nurture. Department of Child Development, CSUF, Class Lecture, Fullerton, CA, February 10, 1992.

Twins Reared Together and Twins Reared Apart. Twin Services (Keynote Speaker, Health, Education and Social Service Agency). Berkeley, CA, February 23, 1991.

Educating young twin children. Child Developmental Learning Center. Burnsville, MN, February 26, 1990.

Minnesota Study of Twins Reared Apart. University of Minnesota, Guest Lecturer for a course: Landmark issues and great controversies in educational psychology, April 10, 1989.

Overview of the Minnesota Study of Twins Reared Apart (two lectures). Wooster College, Wooster, OH, February 23, 1989.

Recent findings from the Minnesota Study of Twins Reared Apart. University of Minnesota, Clinical Research Center: Grand Rounds, Minneapolis, MN, May 25, 1988.

Recent findings from the Minnesota Study of Twins Reared Apart. Macalester College, St. Paul, MN, Departments of Biology and Psychology, March 15, 1988.

Environmental and genetic components of job satisfaction. Personnel Decisions Research, Inc., Minneapolis, MN, January 18, 1988.

I. Minnesota Study of Twins Reared Apart, II. Twins of the Holocaust. University of Wisconsin-River Falls, WI, Department of Psychology and History, May 7, 1987.

Twins of the holocaust. Holocaust Scholars Symposium, New York, NY, April 12, 1987.

I.The Minnesota Study of Twins Reared Apart. II.Twin survivors of the holocaust. University of Winnipeg, Department of Psychology, Manitoba, Canada, March 7, 1986.

The twin survivors of the Holocaust: Medical-genetic and behavioral issues. Mt. Sinai Hospital, New York, Department of Medical Genetics, June 25, 1985.

The twins of the Holocaust: Medical-genetic issues. University of Chicago, Department of Behavioral Sciences, May 13, 1985.

The Minnesota Study of Twins Reared Apart. University of Wisconsin, Stevens Point, WI, March 25, 1985.

Behavioral-genetic studies using twins. Human Genetics Colloquium, University of Minnesota, January 17, 1984.

The value of twin research in psychology. Hebrew University, Department of Psychology (Colloquium Series), April, 1977.

Interindividual variability in diazepam metabolism. Jerusalem Mental Health Center, at Ezrath Nashim (Colloquium Series), April, 1977.