|  | Janowsky DS, Hong E, Morter S, Howe L.Myers Briggs 
Type indicator personality profiles in unipolar depressed patients.
 World 
J Biol Psychiatry 2002 Oct;3(4):207-15
 "OBJECTIVE: The current study was 
designed to compare the distribution of Myers Briggs Type Indicator (MBTI) personality 
types in patients with Unipolar Depression compared to normative data. METHOD: 
The MBTI divides individuals into four dichotomous types: Extroverted and Introverted, 
Sensing and Intuitive, Thinking and Feeling, and Judging and Perceiving. This 
yields eight single-factor and sixteen four-factor types. One-hundred-thirty Unipolar 
Depressed patients were administered the MBTI-Form F. RESULTS: Unipolar Depressed 
patients were significantly more often Introverted, Sensing, Feeling, and Perceiving 
single-factor types respectively, and Introverted-Sensing-Feeling-Perceiving, 
and Introverted-Intuitive-Feeling-Perceiving four-factor types. The male Introverted-Sensing-Feeling-Perceiving 
four-factor type was the most dramatically over-represented. CONCLUSION: The MBTI 
effectively discriminates a patient group with Unipolar Depression from a normative 
population." [Abstract]
 Janowsky 
DS, Morter S, Hong L, Howe L.Myers Briggs Type Indicator and Tridimensional 
Personality Questionnaire differences between bipolar patients and unipolar depressed 
patients.
 Bipolar Disord 1999 Dec;1(2):98-108
 "OBJECTIVES: 
The current study was designed to compare personality differences between bipolar 
patients and unipolar depressed patients, as evaluated on the Myers Briggs Type 
Indicator (MBTI) and the Tridimensional Personality Questionnaire (TPQ). METHODS: 
A group of bipolar and a group of unipolar depressed patients filled out the MBTI, 
the TPQ, the Beck Depression Inventory, and the CAGE questionnaire. The two groups 
were compared with each other as to responses on the above surveys, and subgroups 
of bipolar depressed and bipolar patients with manic symptoms were also compared. 
RESULTS: Bipolar patients were found to be significantly more extroverted (p = 
0.004) and less judging (p = 0.007) on the MBTI. They were significantly more 
novelty seeking (p = 0.004) and less harm avoidant (p = 0.002) on the TPQ. Of 
the above differences, only the TPQ harm avoidance scale appeared strongly linked 
to the patients' level of depression. CONCLUSION: Significant differences in personality 
exist between bipolar disorder and unipolar depressed patients." [Abstract]
 
 Janowsky DS, Morter S, Tancer M.Over-representation 
of Myers Briggs Type Indicator introversion in social phobia patients.
 Depress 
Anxiety 2000;11(3):121-5
 "The purpose of this study is to profile the 
personalities of patients with social phobia. Sixteen patients with social phobia 
were compared with a normative population of 55,971, and with 24 hospitalized 
Major Depressive Disorder inpatients, using the Myers Briggs Type Indicator. The 
Myers Briggs Type Indicator, a popular personality survey, divides individuals 
into eight categories: Extroverts versus Introverts, Sensors versus Intuitives, 
Thinkers versus Feelers, and Judgers versus Perceivers. Social phobia patients 
were significantly more often Introverts (93.7%) than were subjects in the normative 
population (46.2%). In addition, using continuous scores, the social phobia patients 
scored as significantly more introverted than did the patients with Major Depressive 
Disorder, who also scored as Introverted. Introversion is a major component of 
social phobia, and this observation may have both etiological and therapeutic 
significance." [Abstract]
 Opt 
SK, Loffredo DA.Rethinking communication apprehension: a Myers-Briggs 
perspective.
 J Psychol 2000 Sep;134(5):556-70
 "This 
study is an examination of relationships between Myers-Briggs personality type 
preferences, based on Jungian theory, and communication apprehension. Results 
showed that participants who preferred introversion or sensing reported significantly 
higher levels of communication apprehension in general and across the group, dyadic, 
meeting, and public contexts than did participants who preferred extraversion 
or intuition. In addition, participants who preferred feeling reported higher 
levels of communication anxiety in the public context than those who preferred 
thinking. Findings support the assumption that communication apprehension is biologically 
based, suggest that the Myers-Briggs type preference framework offers an alternative 
way of understanding communication apprehension, and point out the need for new 
approaches to understanding the phenomenon of communication apprehension." 
[Abstract]
 Harrington 
R, Loffredo DA.The relationship between life satisfaction, self-consciousness, 
and the Myers-Briggs type inventory dimensions.
 J Psychol 
2001 Jul;135(4):439-50
 "The study was an investigation of the relationship 
between psychological well-being, life satisfaction, self-consciousness, and the 
four Myers-Briggs Type Indicator dimensions (MBTI; I. B. Myers & M. H. McCaulley, 
1985). The participants were 97 college students (79 women and 18 men whose mean 
age was 31.4 years). All the students were administered four instruments, the 
Psychological Well-Being Inventory (C. D. Ryff, 1989), the Satisfaction With Life 
Scale (E. Diener, R. A. Emmons, R. J. Larsen, & S. Griffin, 1985), the Self-Consciousness 
Scale-Revised (M. F. Scheier & C. S. Carver, 1985), and the MBTI (Form G Self-Scoring). 
MANOVAs revealed significant differences on three of the four dimensions of the 
MBTI with extraverts showing higher psychological well-being and life satisfaction 
and lower self-consciousness than introverts. Intuition types scored higher in 
psychological well-being and lower in self-consciousness than Sensing types. Judging 
types scored higher in psychological well-being than Perceiving types. Correlational 
analyses showed that most dimensions of psychological well-being were negatively 
related to self-consciousness. The relationship between life satisfaction and 
personality variables is discussed." [Abstract]
 
 Wilson MA, Languis ML.A topographic 
study of differences in the P300 between introverts and extraverts.
 Brain 
Topogr 1990 Summer;2(4):269-74
 "This paper presents results of a study 
to establish a link between neurocognitive psychophysiological and psychological 
type data through the investigation of differences in topographic auditory event-related 
potential (AERP) (P300) patterns in strongly introverted (n = 17) and strongly 
extraverted ( = 16) high school males as identified by the Myers Briggs Type Indicator. 
Group data files were created for the auditory event related potential task and 
converted to ASCII form. Amplitude values were evaluated at each scalp site. Kruskal 
Wallis one way analysis of variance was performed to evaluate group differences. 
In processing of infrequent, target stimuli, the amplitude of the P300 waveform 
for introverts was higher than for extraverts. When processing for non-target 
stimuli was subtracted from target stimuli, statistical differences were found 
over nine central, parietal, and occipital sites. The findings support and extend 
theories of biologically-based and bio-psycho-social typology." [Abstract]
 |  Janowsky DS, Morter S, Hong L.Relationship 
of Myers Briggs type indicator personality characteristics to suicidality in affective 
disorder patients.
 J Psychiatr Res 2002 Jan-Feb;36(1):33-9
 "The 
current study characterized the Myers Briggs Type Indicator (MBTI) personality 
profiles of 64 suicidal and 30 non-suicidal psychiatric inpatients with affective 
disorder diagnoses. The MBTI divides individuals categorically into eight personality 
preferences (Extroverted and Introverted, Sensing and Intuitive, Thinking and 
Feeling, and Judging and Perceiving). Compared to the group of non-suicidal affective 
disorder patients, suicidal affective disorder patients were significantly more 
Introverted and Perceiving using ANCOVA analyses, and significantly more Introverted 
alone using Chi Square analyses." [Abstract]
 Liyi, 
Morter, Shirley, Howe, LauraUNDERLYING PERSONALITY DIFFERENCES BETWEEN 
ALCOHOL/SUBSTANCE-USE DISORDER PATIENTS WITH AND WITHOUT AN AFFECTIVE DISORDER
 Alcohol 
Alcohol. 1999 34: 370-377
 "The MyersBriggs Type Indicator (MBTI), 
a popular personality test, was used to profile the personalities of in-patient 
alcoholics/substance-use disorder patients who had, and those who did not have, 
a concurrent affective disorder diagnosis. The MBTI divides individuals into eight 
categories: Extroverts and Introverts, Sensors and Intuitives, Thinkers and Feelers, 
and Judgers and Perceivers. Alcohol/substance-use disorder patients with no affective 
disorder differed from a normative population only in being significantly more 
often Sensing and significantly less often Intuitive single-factor types. The 
Extroverted/Sensing/ Feeling/Judging four-factor type was also significantly over-represented 
in this group, compared to a normative population. In contrast, mood-disordered 
alcohol/substance-use disorder patients were significantly more often Introverted, 
Sensing, Feeling, and Perceiving and significantly less often Extroverted, Intuitive, 
Thinking, and Judging single-factor types. They were also significantly more often 
Introverted/Sensing/ Feeling/Perceiving and Introverted/Intuitive/Feeling/Perceiving 
four-factor types. Pure alcohol/ substance-use disorder patients differed 
from alcohol/substance-use disorder patients with a mood disorder in that they 
were significantly more often Extroverted and Thinking and significantly less 
often Introverted and Feeling single-factor types; and significantly less often 
were an Introverted/Sensing/ Feeling/Perceiving four-factor type. The above results 
may have psychogenetic, diagnostic, and psychotherapeutic implications." 
[Abstract/Full 
Text]
 Bouchard TJ Jr, Hur YM.Genetic 
and environmental influences on the continuous scales of the Myers-Briggs Type 
Indicator: an analysis based on twins reared apart.
 J Pers 
1998 Apr;66(2):135-49
 "The Myers-Briggs Type Indicator was administered 
to a sample of 61 monozygotic twins reared apart (MZA), 49 dizygotic twins reared 
apart (DZA), and 92 spouses, who participated in the Minnesota Study of Twins 
Reared Apart (MISTRA) from 1979 to 1995. Twins' scores on the continuous scales 
were subjected to behavior genetic model-fitting procedures. Extraversion-Introversion 
and Thinking-Feeling yielded heritabilities of about .60, consisting largely of 
nonadditive genetic variance. Sensing-Intuition and Judgment-Perception yielded 
heritabilities of about .40, consisting largely of additive genetic variance. 
Spouse correlations for three of the four scales were near zero and not statistically 
significant; one spouse correlation (Sensing-Intuition) was modestly positive 
and statistically significant." [Abstract]
 Spirrison 
CL, McCarley NG.Age at earliest reported memory: associations with 
personality traits, behavioral health, and repression.
 Assessment 
2001 Sep;8(3):315-22
 "The present study examined relationships between 
the age at earliest memory and the personality traits and behavioral health of 
107 undergraduates. Participants answered questions on their earliest memory and 
completed the Myers-Briggs Type Indicator (MBTI) and a medical history form. Analyses 
indicated that continuous scores on two MBTI scales (Sensing-Intuition and Judging-Perceiving) 
were inversely related to age at earliest memory as were participant's self-reported 
drug and alcohol problems, emotional and psychological symptoms, accident rates, 
physical symptoms, and satisfaction with health. Respondents who reported first 
memories at or after 7 years of age (i.e., approximately 1 SD above the mean age 
at recalled memory) were classified as repressors. Repressors scored in the Sensing 
and Judging directions on the MBTI and reported significantly fewer emotional 
symptoms, accidents, psychological symptoms, and less health satisfaction than 
nonrepressors. Results are consistent with the age at earliest memory and repression 
literature and support the use of earliest memory age as an index of repression." 
[Abstract]
 Mueller L, Gallahger RM, Steer RA, Ciervo CA.Increased 
prevalence of sensing types in men with cluster headaches.
 Psychol Rep 2000 Oct;87(2):555-8
 "To ascertain whether the percentage 
of men who suffer with cluster headaches and are classified as sensing types according 
to Jung's theory of psychological types was comparable to the percentage (74%) 
of Sensing types that was found by Gallagher, et al. among women who experience 
migraine headaches, the Myers-Briggs Type Indicator was administered to 25 male 
cluster-headache patients. There were 19 (76%) male Sensing types, and this was 
comparable to the percentage of Sensing types for migrainous women. The results 
are discussed as supporting previous contentions that Sensing types may be prone 
to developing psychosomatic symptoms related to stress." [Abstract]
 Nordvik H.Similarity between partners 
in real and perceived personality traits as measured by the Myers-Briggs type 
indicator.
 Scand J Psychol 1996 Dec;37(4):444-50
 "From 
90 couples, 90 male and 90 female subjects, two sets of scores on the four personality 
dimensions measured by the Myers-Briggs Type Indicator (MBTI) were obtained by 
letting each person answer each item twice, first in the ordinary way and then 
as he or she believed the partner would answer the item. Correlations between 
partners' self-reported scores were all close to zero, whereas the correlations 
between the partner-reported scores and the self-reported scores were high for 
both males and females and for all the four dimensions measured by the MBTI, thus 
indicating that partners were not similar in personality traits, but they had 
a realistic perception of each other. The results support the hypothesis that 
mating is random in terms of personality traits." [Abstract]
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