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From what I remember, the MBTI has been compared in some studies to the Big Five (or OCEAN) model of personality. If you've not heard of it, the Big Five is the primary theory of personality that is accepted by researchers who do this sort of thing. Here are some papers comparing the two approaches: Recent comparison and another. The main point is that a ...


14

Facial shape Aggression relates to facial width-to-height ratio (Carré, McCormick, & Mondloch, 2009; Carré & McCormick, 2008). The width-to-height ratio is the distance between the left and right zygion (the outside of the cheek bone) divided by the distance between the top of the upper lip and the mid-brow. Here's a useful image displaying the ...


12

Digman (1997) performed higher order factor analysis on several Big 5 intercorrelation matrices and proposed that the Big 5 could be partially explained in terms of two higher order factors: Alpha (Agreeableness, Conscientiousness, Emotional Stability) and Beta (Extraversion, Openness). Musek (2007) presented evidence for a Big 1 factor of personality. ...


12

The IPIP may provide what you are looking for. This IPIP Website is intended to provide rapid access to measures of individual differences, all in the public domain, to be developed conjointly among scientists worldwide. In general, the scientific literature tends to focus more on a dimensional approach based on the Big 5 model of personality than ...


11

What you may be interested are personality traits caught by some statistical correlations, rather than 'manually' merged by an author's intuition. One of such tools is 16 Personality Factors. The 16 Personality Factors, measured by the 16PF Questionnaire, were derived using factor-analysis by psychologist Raymond Cattell. This article summarizes the ...


10

I was alerted to your post here and would like to respond to a non-technical side of the question. I'm an Intellectual Property Assistant for CPP, Inc., publisher of the MBTI® assessment tool. I help protect the instrument's trademarks and copyrights, and ensure ethical use of the instrument. The names MBTI®, Myers-Briggs®, and Myers-Briggs Type Indicator®...


10

Yes, there are benefits, but I don't think it requires long-term switches. Studies have used this as a manipulation to try and increase self control and have found that it decrease aggression. Based on this, once one has mastered using the non-dominant hand, it seems like the benefit of continuing to use that hand might be over (as it no longer requires ...


10

A useful model for topics like this comes from McCrae and Costa (1999): There's quite a lot more going on here than is pertinent to your question, but note that influences originate from biological bases on the top left, and from external influences on the upper right. Everything else is modeled as an effect of mediated, dynamic processes between these two.....


9

Do personality tests predict job performance in general? There is a large academic literature correlating personality test scores with job performance. You might want to check out the meta-analysis by Barrick et al (2001). It reports the meta-analytic correlations often based on hundreds of studies between Big 5 personality test scores and job performance. ...


9

There's one condition that is linked to negative cognitive effects after masturbation in a small subset of population, it is called Post Orgasmic Illness Syndrome (POIS): The sufferer experiences mental symptoms, physical symptoms, or both. Common mental symptoms include cognitive dysfunction, intense discomfort, irritability, anxiety, craving for ...


9

I've been commenting a lot and not answering for quite some time now! My hesitation was largely due to the terms "unfailingly", the mixture of "altruism" and "non-cruelty", and having forgotten my intention to answer. My answer certainly won't be foolproof (haven't yet heard of a trait model that is), and I may not cover both altruism and non-cruelty, but ...


8

Inheritability of facial features Let's start with the origin of specific facial features. Below is a table which shows averaged heritabilities for a range of facial quantitative traits from a large number of studies, from the review by Kohn (1991): where $h^2$ is the narrow-sense heritability. You can clearly see that heritability in the majority of the ...


8

The MBTI is based on Carl Jung's work with psychological types. However, Jung's work led to the formation of analytic psychology. This work is often associated with clinical observations and anecdotes instead of controlled scientific study. This means that Jung didn't carry out research that can be considered conclusive and scientifically validated. However, ...


8

Heritability estimates of Extraversion (and other Big 5 factors) The introduction section of Loehlin et al (1998) provides a narrative review of heritability estimates of big 5 personality traits (i.e., one of which is extraversion). A brief extract gives a flavour of some of the research that has been conducted: A recent heritability analysis of the ...


8

I'm guessing you are relating the Big 5 factors of personality to Meyer and Allen's three factor model of commitment (normative, continuance, affective). You certainly could adopt the simple approach of creating observed composite scores for each variable and reporting the correlation matrix and a set of multiple regressions. However, the language of your ...


8

I'm not entirely sure what you mean by "renounce," but you may find some answers to your question in the fields of social psychology and behavioral economics. The first part of your question describes someone who is unwilling to commit or make a decision for fear of losing out on future opportunities. There has been research to indicate that having more ...


8

Anybody with enough will and persistence can find support for almost any viewpoint they desire concerning autism, depending especially on (lower) quality of source material. However, if you read enough, consistent patterns will emerge in the literature. This issue of Dialogues in Clinical Neuroscience is all about autism. Although all of it is valuable, I ...


8

'Mental Illness' covers such a broad range of illnesses that it would be very difficult to answer your question. However, general consensus is that: people who are receiving an effective treatment for a mental illness are no more violent or dangerous than neurotypical/ 'healthy' people. People with a mental illness are more likely to harm themselves or to ...


8

The MBTI can be considered to be subsumed by the Big5/Five-Factor Model. McCrae and Costa examined this back in the late 1980’s. First of all, they showed that the types do not interact in a statistically meaningful way indicating that there isn’t a reason to interpret four type categories (e.g., ESTJ vs INFP). The categories (e.g., extraversion vs ...


7

I am using TRUE (http://www.salleurl.edu/tsenyal/true/features.html) and SAM (Self-Assessment Manikin) interface includes a scale for dominance, along with valence and activation. The scale allows you to rate dominance from 'controlled' to 'in control' on a scale from 1 to 9. References Planet, S., Iriondo, I., Martínez, E., & Montero, J. A. (2008). ...


7

This is my opinion, based on what I know about how the brain works. As all process within the brain are physiological processes. It must be acknowledged, that what we know now about the brain, will, most likely, seem simplistic, to future generations; as more research is done. Will provide some quotes from the links I've provided, as I have time. I don't ...


7

This is an extremely interesting question. I'm going to take a different approach to the question by focusing on both personality traits and leadership theories (e.g. authentic leadership, transformational leadership, servant leadership etc) to answer whether those two distinct areas can influence leaders' children's development. I will admit that I didn't ...


7

You are quite astute to have noticed the difference between your stated preferences and actual preferences - most people don't. Yes, there has been a fair bit of research on prediction techniques and their effectiveness. In 2008, in a study by Paul Eastwick and Eli Finkel, participants were asked to predict their romantic preferences - what they found ...


7

This is a primary subject of study in game studies and ludology, which are domains of theory and research unto themselves. Moreover, the question as it pertains to games might be interesting to ask over on Arqade, though I can't guarantee it would be "on topic" enough for their community. You might find the following questions from Arqade interesting, as ...


7

I've edited your question somewhat; I hope I preserved its meaning. Neuroticism relates to personal discomfort largely by definition, and probably to uncomfortable social interaction as well, though somewhat less by definition. Consider this hypothetical, mediated pathway: Neuroticism $\rightarrow$ Anxiety $\rightarrow$ Social anxiety $\rightarrow$ ...


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