Varje år genomförs ungefär 3,5 miljoner personlighetsprofileringar med Myers-Briggs Type Indicator®, MBTI ®. Det gör instrumentet till ett av de mest använda psykologiska testen i världen och det innebär att lika många människor får en etikett på sin personlighetstyp som kan användas på olika sätt. Det finns studier, till exempel av Carlyn, som talar för att MBTI är ett pålitligt instrument, men det finns också studier, till exempel av Pittenger, som hävdar motsatsen. James Michael menar att enbart MBTI ger en alltför inkomplett bild av en ledares beteende. Kanske är det klokt att komplettera MBTI med andra testinstrument för att få en komplettare bild av en individ.En modell som skulle kunna komplettera MBTI är motivationsteorin Self-Determination Theory, SDT, och tillhörande delteori General Causality Orientation, GCO. I denna studie jämförs MBTI med GCO och resultatet indikerar att autonomi orientation i GCO saknar kausala samband med MBTI medan controlled orientation och impersonal orientation har viss överlappning. Slutsatsen blir att de två modellerna mäter olika aspekter av personlighet och att de därför kan komplettera varandra. / Every year about 3.5 million personality profiles are made with the Myers-Briggs Type Indicator ®, MBTI ®. This should make the instrument one of the most widely used psychological tests in the world and it means that a lot of people get a description of their personality type that can be used in different ways. Some studies, for example by Carlyn, suggest that the MBTI is a reliable instrument, but there are also studies, for example by Pittenger, that claim otherwise. James Michael says that MBTI alone give an incomplete assessment of a leader's behavior. Perhaps it is wise to complete the MBTI with other test instruments to get a more complete profile of an individual.A model that could complement MBTI is Self-Determination Theory, SDT, and the related sub theory General Causality Orientation, GCO. This study compares MBTI with GCO and the results indicate that autonomy orientation in GCO has no causality with MBTI whereas controlled orientation and impersonal orientation has some overlapping. The conclusion is that the two models measure different aspects of personality and therefore they can complement each other.

Personality, psychological type and cognitive ability are frequently implied to be underlying causes of differences in reasoning processes, decision-making processes and general success in a job. However, there is a trend towards utilising cognitive and personality measures interchangeably in the context of selection and development, particularly as it pertains to selection based on cognitive ability and cognitive style. The general aim of this research was therefore to investigate the relationship between psychological type, as measured by the Myers-Briggs Type Inventory (MBTI), and cognitive abilities and styles as measured by the Cognitive Process Profile (CPP). Cognitive ability is discussed under the cognitive psychology paradigm. A clarification of concepts associated with cognitive psychology is provided, and the CPP model is introduced as an integrative model encompassing aspects of cognitive ability and cognitive style. Psychological type is discussed under the analytical psychology paradigm, with a focus on personality structure, dynamics and development. This is then integrated into an overview of Jung's theory of personality types and the development of the MBTI. An empirical investigation, utilising Pairwise comparisons and Chi-square statistics was conducted. The results were then integrated to enable a better understanding of the relationship between cognition and personality. Based on this, it was concluded that there is insufficient evidence to suggest that a relationship exists between cognitive styles (as defined by the CPP) and personality (as defined by the MBTI). There were however, sufficient statistically significant findings to suggest that there is some relationship between cognitive processes / competencies and personality. / Industrial and Organisational Psychology / M.A. (Industrial and Organisational Psychology)

Personality, psychological type and cognitive ability are frequently implied to be underlying causes of differences in reasoning processes, decision-making processes and general success in a job. However, there is a trend towards utilising cognitive and personality measures interchangeably in the context of selection and development, particularly as it pertains to selection based on cognitive ability and cognitive style. The general aim of this research was therefore to investigate the relationship between psychological type, as measured by the Myers-Briggs Type Inventory (MBTI), and cognitive abilities and styles as measured by the Cognitive Process Profile (CPP). Cognitive ability is discussed under the cognitive psychology paradigm. A clarification of concepts associated with cognitive psychology is provided, and the CPP model is introduced as an integrative model encompassing aspects of cognitive ability and cognitive style. Psychological type is discussed under the analytical psychology paradigm, with a focus on personality structure, dynamics and development. This is then integrated into an overview of Jung's theory of personality types and the development of the MBTI. An empirical investigation, utilising Pairwise comparisons and Chi-square statistics was conducted. The results were then integrated to enable a better understanding of the relationship between cognition and personality. Based on this, it was concluded that there is insufficient evidence to suggest that a relationship exists between cognitive styles (as defined by the CPP) and personality (as defined by the MBTI). There were however, sufficient statistically significant findings to suggest that there is some relationship between cognitive processes / competencies and personality. / Industrial and Organisational Psychology / M.A. (Industrial and Organisational Psychology)

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The objective of the study was to determine the relationship between personality preference types (as measured by the Myers-Briggs Type Indicator [MBTI]) Form M and psychological career resources (as measured by the Psychological Career Resource Inventory [PCRI]) of managers in the fast-food industry and whether groups from different races, ages and gender differ significantly regarding personality types and psychological career resources. A quantity survey was conducted on a sample (N = 81) of managers in the fast food industry in the Western Cape. The extraversion, sensing, feeling, judging (ESFJ) and the introversion, sensing, feeling, judging (ISFJ) personality types were the dominant ones in the study. Personality type preferences were significantly related to psychological career resources. The personality types differed significantly regarding the following PCRI variables: variety/creativity (career preference), growth/development (career value), self/other skills (career enabler) and social connectivity (career harmoniser). Significant differences between personality types, psychological career resources and age, gender and race were also established. / Industrial & Organisational Psychology / M.A. (Industrial and Organisational Psychology)

The objective of the study was to determine the relationship between personality preference types (as measured by the Myers-Briggs Type Indicator [MBTI]) Form M and psychological career resources (as measured by the Psychological Career Resource Inventory [PCRI]) of managers in the fast-food industry and whether groups from different races, ages and gender differ significantly regarding personality types and psychological career resources. A quantity survey was conducted on a sample (N = 81) of managers in the fast food industry in the Western Cape. The extraversion, sensing, feeling, judging (ESFJ) and the introversion, sensing, feeling, judging (ISFJ) personality types were the dominant ones in the study. Personality type preferences were significantly related to psychological career resources. The personality types differed significantly regarding the following PCRI variables: variety/creativity (career preference), growth/development (career value), self/other skills (career enabler) and social connectivity (career harmoniser). Significant differences between personality types, psychological career resources and age, gender and race were also established. / Industrial and Organisational Psychology / M. A. (Industrial and Organisational Psychology)