Logical Sensory Introvert (LSI, ISTj)
Model A


Names LSI, ISTj, , TiSe, LF, Inspector, Pragmatist, Structurist, Maxim Gorky
Subtypes LSI-Ti (Instructor), LSI-Se (Controller)
Mood Tough, serious, decisive, tough-minded, disciplined, controlling, firm, resolute; mistrustful; stand their ground
Quadra Beta
Club Pragmatists (ST)
Temperament Balanced-stable (IJ)
Communication Style Cold-blooded
Erotic Attitude Aggressor
Cognitive Form Causal-Deterministic
Dichotomies Introverted, Sensing, Logical, Rational, Static, Obstinate, Aristocratic, Tactical, Emotivist, Carefree, Merry, Decisive, Positivist, Process, Declaring
Intertype Relations Dual (EIE), Identical (LSI), Mirror (SLE), Activator (IEI), Kindred (LII), Semi-dual (ESE), Illusionary (LIE), Business (ESI), Contrary (LSE), Superego (EII), Quasi-identical (SLI), Conflictor (IEE), Supervisor (ILE), Supervisee (SEE), Benefactor (SEI), Beneficiary (ILI)



Ethical Intuitive Extravert (EIE, ENFj)
Model A


Names EIE, ENFj, , FeNi, ET, Mentor, Actor, Performer, Hamlet
Subtypes EIE-Fe (Educator), EIE-Ni (Artist)
Mood Dramatism, restraint, alarm; purposeful emotions and purposeful involvement
Quadra Beta
Club Humanitarians (NF)
Temperament Linear-assertive (EJ)
Communication Style Passionate
Erotic Attitude Victim
Cognitive Form Dialectical-Algorithmic
Dichotomies Extroverted, Intuitive, Ethical, Rational, Dynamic, Obstinate, Aristocratic, Strategic, Constructivist, Carefree, Merry, Decisive, Negativist, Process, Asking
Intertype Relations Dual (LSI), Identical (EIE), Mirror (IEI), Activator (SLE), Kindred (ESE), Semi-dual (LII), Illusionary (ESI), Business (LIE), Contrary (EII), Superego (LSE), Quasi-identical (IEE), Conflictor (SLI), Supervisor (SEI), Supervisee (ILI), Benefactor (ILE), Beneficiary (SEE)



Intuitive Ethical Introvert (IEI, INFp)
Model A


Names IEI, INFp, , NiFe, TE, Lyricist, Romantic, Tutankhamun,Yesenin
Subtypes IEI-Ni (Idealist), IEI-Fe (Diplomat)
Mood Wacky, goofy, dreamy, zany; interested in people's inner experiences and where people are going with their emotional life; mix of joy and melancholy
Quadra Beta
Club Humanitarians (NF)
Temperament Receptive-adaptive (IP)
Communication Style Sincere
Erotic Attitude Victim
Cognitive Form Vortical-Synergetic
Dichotomies Introverted, Intuitive, Ethical, Irrational, Dynamic, Yielding, Aristocratic, Tactical, Emotivist, Farsighted, Merry, Decisive, Positivist, Result, Asking
Intertype Relations Dual (SLE), Identical (IEI), Mirror (EIE), Activator (LSI), Kindred (ILI), Semi-dual (SEE), Illusionary (ILE), Business (SEI), Contrary (IEE), Superego (SLI), Quasi-identical (EII), Conflictor (LSE), Supervisor (LIE), Supervisee (ESE), Benefactor (ESI), Beneficiary (LII)



Sensory Logical Extravert (SLE, ESTp)
Model A


Names SLE, ESTp, , SeTi, FL, Conqueror, Commander, Marshal, Legionnaire, Zhukov
Subtypes SLE-Se (Coordinator), SLE-Ti (Organizer)
Mood Forceful; demanding of others; go-getters; not easily intimidated; ready for confrontation
Quadra Beta
Club Pragmatists (ST)
Temperament Flexible-maneuvering (EP)
Communication Style Businesslike
Erotic Attitude Aggressor
Cognitive Form Holographical-Panoramic
Dichotomies Extroverted, Sensing, Logical, Irrational, Static, Yielding, Aristocratic, Strategic, Constructivist, Farsighted, Merry, Decisive, Negativist, Result, Declaring
Intertype Relations Dual (IEI), Identical (SLE), Mirror (LSI), Activator (EIE), Kindred (SEE), Semi-dual (ILI), Illusionary (SEI), Business (ILE), Contrary (SLI), Superego (IEE), Quasi-identical (LSE), Conflictor (EII), Supervisor (ESI), Supervisee (LII), Benefactor (LIE), Beneficiary (ESE)