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Welcome to our Message Board. Our topic is the inheritance of personality traits. Our premise is that some character traits are determined by genetics, and these traits can be traced in a family pedigree. This Board is hosted by Donna Hobgood, M.D.(USA), Ben Gibson (Australia) and A.M. Benis, Sc.D., M.D. (USA). The board focuses on NPA personality theory, by which the three major heritable character traits are Sanguinity (narcissism), Perfectionism and Aggression, but you need not subscribe to any particular theory to post on this Board. Personal accounts relating personality to social interaction, occupation, LGBT, etc. are welcome. No password is required, but inappropriate postings will be deleted.

Quiz: Can you find eight different NPA character types in the image above?

The NPA personality test: take the test here.

Geographic distribution of NPA types: see the map here.

NPA personality theory in images: here.

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EST February 16, 2026, 5:14 pm

Trait aggression & gene associated with protection from schizophrenia - ABenis June 12, 2011, 9:56 pm 5-HTT as a candidate gene for trait perfectionism - ABenis June 20, 2011, 11:11 am Protection from schizophrenia in the NPA model - ABenis September 28, 2011, 8:43 pm Entanglement in a case-control study - ABenis December 23, 2011, 4:56 pm The R score and "disordered thinking" - ABenis February 29, 2012, 7:56 pm Gene for temperament score - Donna Hobgood February 11, 2026, 11:58 am Guthries - Donna Hobgood February 8, 2026, 9:35 pm Re: Guthries - Julius February 10, 2026, 10:52 pm The Crusades: Raynald of Châtillon - a probable A type - Ben February 3, 2026, 7:27 am Adam sandler - Donna Hobgood February 2, 2026, 6:54 pm Re: Adam sandler - Ben February 3, 2026, 7:45 am Musical duets: NPA- x NPA+ - Ben February 1, 2026, 9:02 am Salmon rushdie - Donna Hobgood January 31, 2026, 9:13 am Re: Salmon rushdie - Ben February 3, 2026, 7:30 am NPA+ financial analyst - Ben January 30, 2026, 2:38 am Alex pretti - Donna Hobgood January 25, 2026, 1:49 pm Re: Alex pretti - Julius January 31, 2026, 8:01 am Young inventor/entrepeneur - NPA+ type - Ben January 23, 2026, 10:24 pm Founding fathers query - Thomas Paine - Ben January 19, 2026, 7:41 pm Re: Founding fathers query - Thomas Paine - Donna Hobgood January 25, 2026, 1:53 pm Re: Founding fathers query - Thomas Paine - Ben January 25, 2026, 4:58 pm Carl reiner - Donna Hobgood January 15, 2026, 9:25 pm Mayor Frei of. Minneapolis - Donna Hobgood January 14, 2026, 8:40 pm "Phillip Blake" - Julius January 13, 2026, 10:00 pm Marco rubio - Donna Hobgood January 6, 2026, 6:18 pm Re: Marco rubio - Julius January 12, 2026, 12:05 pm Celia flores - Donna Hobgood January 5, 2026, 12:36 pm Gender effects on personality - Donna Hobgood January 3, 2026, 4:55 pm EU president - Donna Hobgood December 26, 2025, 9:27 pm Santa Claus and Haddon Sundblom - Ben December 22, 2025, 4:59 am Re: Santa Claus and Haddon Sundblom - ABenis December 26, 2025, 4:11 pm Genetics of schizophrenia - Donna Hobgood December 20, 2025, 10:46 am Murders in the news - Donna Hobgood December 16, 2025, 5:48 pm Happy Holidays to the NPA Board - D_Katana December 15, 2025, 8:06 am Re: Happy Holidays to the NPA Board - ABenis December 15, 2025, 9:59 pm Re: Happy Holidays to the NPA Board - Ben December 16, 2025, 4:26 am Re: Happy Holidays to the NPA Board - Ben December 16, 2025, 4:32 am Re: Happy Holidays to the NPA Board - Donna Hobgood December 16, 2025, 5:51 pm Malcolm in the Middle: NPA+ types, typecasting - Ben December 13, 2025, 5:56 am Machado - Donna Hobgood December 12, 2025, 6:44 pm Stallone - Donna Hobgood December 8, 2025, 10:41 pm Michael Dell - Donna hobgood December 3, 2025, 9:09 am Van Epps - Donna Hobgood December 2, 2025, 11:03 pm Non-sanguine criminal - Ben December 1, 2025, 6:27 pm Meat Loaf - Ben November 29, 2025, 12:07 am Re: Meat Loaf - ABenis November 29, 2025, 2:18 pm Re: Meat Loaf - Ben November 30, 2025, 3:54 am Re: Meat Loaf - Julius November 30, 2025, 12:26 pm Re: Meat Loaf (revised typing) - Julius November 30, 2025, 6:08 pm Re: Meat Loaf and “nurture” - ABenis December 1, 2025, 1:38 pm Re: Meat Loaf and “nurture” - Ben December 1, 2025, 7:01 pm Gavin newsom - Donna Hobgood November 23, 2025, 3:56 pm Sheriff bianco - Donna Hobgood November 22, 2025, 9:09 pm Larry summers - Donna Hobgood November 19, 2025, 10:10 pm Elle bisgaard-Church - Donna Hobgood November 11, 2025, 12:56 pm Conflict avoidant personality - Donna Hobgood November 9, 2025, 2:29 pm Binance ceo - Donna Hobgood November 7, 2025, 7:28 pm Z. Mamdani - ABenis November 7, 2025, 12:54 pm Re: Z. Mamdani - Donna Hobgood November 7, 2025, 7:39 pm Re: Z. Mamdani - Ben November 8, 2025, 5:09 am Re: Z. Mamdani - ABenis November 11, 2025, 2:13 pm Re: Z. Mamdani - Ben November 11, 2025, 4:06 pm Another option - Ben November 14, 2025, 8:32 pm Mercedes González Fernández - D_Katana November 7, 2025, 10:39 am Juan Carlos of Spain - Donna Hobgood November 5, 2025, 9:41 pm Re: Juan Carlos of Spain - D_Katana November 7, 2025, 10:24 am Law enforcement interaction - Ben November 2, 2025, 5:39 am Juan Carlos of Spain - Donna Hobgood November 1, 2025, 7:33 pm Cartoon - tragedy (natural disaster) strikes NP type - Ben October 29, 2025, 2:07 am Prince Amdrew - Donna Hobgood October 26, 2025, 7:35 am Yahya Sinwar - Ben October 25, 2025, 1:33 pm Animal temperament - Donna Hobgood October 16, 2025, 8:28 pm Katie porter - Donna Hobgood October 11, 2025, 7:18 pm Like a freight train - Donna Hobgood October 8, 2025, 9:41 pm Re: Like a freight train - Julius October 10, 2025, 11:17 pm

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