Journal of Psychological Type® (JPT)

Research Digest

The Journal of Psychological Type® is an international publication founded in 1977 and is the premiere journal for research, theory and applications in the field of psychological type. The JPT suite of publications includes white papers, a research digest, and essays highlighting topics in theory and practice. All JPT publications offer cutting-edge explorations in psychological type, the MBTI® assessment and Jungian psychology.

The annual Research Digest (JPT-RD) summarizes select research articles from peer-reviewed journals in the previous year that contribute to the practice and/or theory of psychological type and the MBTI instrument. A Field Notes section alerts readers to other type-related research activities and publications, such as white papers, theses, and dissertations.

This issue of the JPT-RD includes these studies from researchers around the world:
  • Predicting personality type through diction of online users. Machine learning algorithms were developed by analyzing over 400,000 individual posts that produced an 80% accuracy rate in predicting Myers-Briggs Type Indicator® (MBTI®) preferences and 52% accuracy in predicting whole type.
  • Psychological type therapy: A practitioner's guide. A review of a recent book by psychotherapists who work with children, adults, and families. A comprehensive guide with many exercises for application and two free assessments on relationships and personality type.
  • Exploration of empathy and personality type in counselors. A correlational study confirms similar results of type and empathy as past studies, including one from the CAPT team, with a couple of surprises.
  • Type development in childhood and beyond. A theoretical article from a children's type expert provides valuable distinctions between skill and development and traces the spiral evolution of type development in children and adults.
  • MBTI personality type and cross-cultural competency. A relevant and timely study of how personality type impacts cross-cultural competency, increased mental health, and decreased turnover in Korean flight crew members of a foreign airline carrier.
  • Analysis of MBTI personality types in Japanese manga. Methodologies from previous analyses of anime characters is applied to a recent superhero shōnen manga that develops a new methodology.

This issue of the JPT-RD includes these studies from researchers around the world:
  • Machine Learning Approach to Personality Type Prediction. This study developed new machine learning methods for automating personality prediction with a goal to assist Neuro Linguist Programming (NLP) practitioners. Results matched those in a similar study highlighted in the JPT-RD in 2018.
  • Entrepreneurial Tendencies by Different Personalities. With a goal to better recognize students with an entrepreneurial mindset, this investigation focused on entrepreneurial aspects of personality types in Finland.
  • Personality Type, Eating Behavior, and Suicide Risk. A study in South America that measured associations between personality characteristics, eating behavior, and suicide risk in clinical patients receiving treatment for obesity. Results demonstrated that ISFJ and ESFJ were the most prevalent types in these groups.
  • The Effects of MBTI® Applied Peer-to-Peer Relationship Improvement Training. An experimental study from Korea that investigated the impact of MBTI relationship building training on self-esteem, depression, and anger in nursing students. Significant results were found in all three measures.
  • Personality Type and Language Learning Strategies. A master's thesis presents a mixed-methods study examining the relationship between personality type and learning strategies for students engaged in undergraduate foreign language courses.
  • Sex, Madness, and Spirituality. An in-depth article exploring the connection between personality type, relationship to sexuality, and individuation in dominant introverted intuitive types.

This issue of the JPT-RD includes these studies from researchers around the world:
  • SubReddit Community: Life after taking the Myers-Briggs Type Indicator® Tool Reddit is an online forum with a large MBTI® community where members share their enthusiasm with others who know the MBTI theory. This investigation found ample evidence that the site fulfilled the needs of many intelligent Redditors to connect with others, using the vocabulary of the MBTI framework.
  • Heroism and Leadership Potential of Future CEOs Participants in this study wrote heroic stories in which they were the protagonist and were administered the MBTI® assessment and a questionnaire on Personal Values. A cross correlation of typological preferences and personal values revealed expected results, particularly an emphasis on Conformity (Sensing) and Self-Direction (Thinking); of surprise was a low showing for Tradition considering the predominance of Sensing types.
  • Relationship of Gender, Age and Personality on Entrepreneurial Attitude This investigation focused on the role that age, gender, and personality have on entrepreneurial attitudes of adults. The study offered a valuable replication of type preferences in entrepreneurial attitudes and provided additional insights into the impact of age and gender.
  • MBTI® for Interprofessional Communication Interprofessional education (IPE) is an important area of healthcare education that supports students to learn about, from, and with each other through collaborative and direct efforts. Results of this examination of physical therapy students showed that women tended towards Extraversion and Thinking significantly more and men towards Introversion and Feeling, which was inconsistent with past findings in physical therapy students.
  • Review Article: Myers-Briggs Type Indicator® in Medical Education The medical field has a long history of using the MBTI instrument in education, specialty training, selection, and evaluation. This article provides a comprehensive review and analysis of the MBTI® assessment across its varied contributions to medical education. The authors suggest that the MBTI assessment can attenuate biases in medical school interview processes, increase psychological diversity, and enhance team-based learning.
  • Use of MBTI® Step II as a Tool for Selecting Clinical Psychology Specialty This study combined a qualitative phenomenological design with the MBTI® Step II assessment as a vehicle to probe more deeply into the metacognition and self-knowledge of clinical graduate students in a doctoral program. Several themes highlighted the impact of the MBTI assessment on student's self-knowledge and choice of specialty.

This issue of the JPT-RD includes these studies from researchers around the world:
  • Personality and Risk Aversion Tests the hypothesis that people in the business and counseling fields with preferences for Introversion, Sensing, Feeling, and Judging would be more risk averse.
  • Reddit: A Gold Mine for Personality Prediction Using an innovative approach, the authors examine publicly available comments to predict personality with users who self-report their MBTI® types.
  • Personality Assessment for Employee Development: Ivory Tower or Real World? Framed in an essay on employee development, this article addresses key criticisms of the MBTI assessment with logical, reasonable, research-backed points and insights.
  • A Process Model Linking Occupational Strength to Attitudes and Behaviors: The Explanatory Role of the Occupational Personality Heterogeneity Looks at how situational conditions of occupations influence personality heterogeneity of an occupation, in contrast to individual differences being the determinant factor.
  • Building the Hive: Corporate Personality Testing, Self-Development, and Humanistic Management in Postwar America, 1945–2000 Twentieth century management techniques created an environment that encouraged consideration of individual differences in personality and behavior. The author contends this development constrained the ways people lived and worked inside and outside the office.

This issue of the JPT-RD includes these studies from researchers around the word, plus a book review:
  • The Personality Brokers: The Strange History of Myers-Briggs and the Birth of Personality Testing, by Merve Emre, is reviewed in this edition of the JPT Research Digest.
  • Reducing Biases of Decision-Making Processes in Complex Organizations: Investigates organizational bias through key decision-makers in a complex organization.
  • Personality Differences in Managers Who Have, and Have Not, Worked Abroad: Explores the extent to which personality traits play a part in the decision to work abroad.
  • Do Dental Students' Personality Type and Group Dynamics Affect Their Performance in Problem-Based Learning: Considers the role of personality diversity in group dynamics that impact problem-based learning.
  • The Personality of a Computing Major: Investigates whether the MBTI® assessment can assist students choose the best computing major for them earlier in the process.
  • The Influence of Personality on Innovation: A phenomenological study exploring the lived experiences of Extraverted Intuitive Perceiving entrepreneurs and intrapreneurs.
  • A Replication Study of Personality Types in Students in a Professional Pilot Baccalaureate Degree Program: Replicates and updates a classic study analyzing the relationship between personality type and learning style in aviation students.

This issue of the JPT-RD includes these studies from researchers around the world:
  • A Rule-Based Model for Software Development Team Composition Develops a model for optimal team composition based on team leader role, team leader MBTI® type, and gender.
  • Personality and its link to Self-Other Agreement of Leadership Effectiveness Investigates why certain leaders are prone to overrate or underrate their own effectiveness.
  • Russian Poet Baratynskij and the Inferior Function Creative analysis of a poet-thinker's relationship to Thinking as the Inferior function in his poetry.
  • Myers-Briggs Typology and Jungian Individuation A theoretic analysis of how to integrate individuation into type dynamics.
  • A Grounded Theory Study of Introverted Leaders A qualitative study investigating Introverted leader's experiences, identity development, and professional and personal pursuits.

This issue of the JPT-RD includes these studies from researchers around the world:
  • Cognitive Complexity and Typological Preferences
    Examining how MBTI preferences predict the ability to differentiate and integrate multiple perspectives.
  • The Impact of Extroversion and Introversion on Writing Ability in Second Language Learners
    Measuring the impact of Extraversion and Introversion on writing ability in college students who were second language learners of English.
  • The Influence of Study Skills, Personality Traits, and Attitudes on Learning in a Team-based Environment
    Exploring the impact of several factors in learning rates, including Extraversion and Introversion in team-based learning environments.
  • Associations between Styles of Personality, Learning, and Cognition
    Insights into distinctions between one's intellectual decision making style, how one learns, and psychological type.
  • Predicting Therapy Outcome with Myers-Briggs Type Preferences
    Evaluating archival data to determine the efficacy of MBTI preferences in predicting therapeutic outcomes.
  • Sensing-Intuitive Differences in Use of Learning Objectives
    Looking further into the relationship between Myers-Briggs® type and the impact of learning objectives in medical students.