Strengths and Weaknesses Personality Theories

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The Big 5

The Big Five model is a theoretical assumption and clinical practices emphasizing five core areas of human personality which are openness, conscientiousness, extraversion, agreeableness, and neuroticism.  Its strength is that it accurately predicts behavior patterns over a time frame (Collin & DK Publishing, 2012). It is also efficient for researchers in independently verifying its predictive accuracy. This model also accurately identifies the correlating personality traits. For instance, psychologists can use it to identify a robust correlation between agreeableness, dependability as well as emotional stability.Its weakness is that it can’t accurately predict any specific behavior. Behavior bases on diverse factors, not on personality as a standalone. This model is also limited by broad universalism. It doesn’t help in understanding, gender-knit, and culturally-specific as well as age-specific personality presentations. This personality model is also normalizing male’s experience while at the same time marginalizing female’s experiences.


In the study of human psychology, a psychodynamic theory explains personality in conscious and unconscious forces terms, like unconscious desires as well as beliefs. Just like any other view, the psychodynamic theory has its strengths and weaknesses. One of the strengths of psychodynamic perspective is that it provides an explanation for behavior based off of childhood experiences as well as the unconscious. It’s greatly accepted today that childhood has an effect on adulthood. Additionally, Brief Psychodynamic Therapy has remained effective. It also provides a way for development theory as it takes nature and nurture into account. However, its weaknesses are that some of its concepts are quite abstract and difficult for people to comprehend, with most of them lacking empirical evidence.  The most unfortunate part is that there is no approach to prove or even disprove theories on the unconscious mind as of today. It is also deterministic in that it suggests that behavior remains predetermined and individual lack free will.

Sheldon’s Body Types

Sheldon’s Theory came into existence in 1942 when he came up with three personalities based physical make-up (Collin & DK Publishing, 2012). One of the strengths is that it does not draw any inspiration from other theories. This theory has strength in that it provides three basic body types associated with personality characteristics. Some strengths and weaknesses of this theory are that the theory shows characteristics of male body types, but its weakness is that it does not show the female body types. The other weakness is that  Sheldon’s  theory I s that it a mere general assumption, continuity between structure and behavior, and descriptive concepts set to measure physique as well as behavior in scaled manner. The original visual assessment strategy, basing on photographs is also a weakness on its own. Similarly, the suggestion of genetic relationship to body shape and personality characteristics is also objectionable. This theory is also heavily burdened with stereotypical as well as discriminatory views.  It, therefore, lacks reliability and when it comes to correlation analysis; it cannot infer the cause-effect. It is also reductionist and deterministic in nature. For instance, if one has a mesomorph body shape–he is a   criminal.

Roger’s Phenomenological

Roger’s Phenomenological presents a humanist as well as psychotherapist view. His view was that if a person attains self-actualization, he becomes a totally functioning person with a good life. It, therefore, means that the person will have a positive, healthy psychological image, trust personal feelings and present congruence his life between self and experience (Collin & DK Publishing, 2012). Rogers’ personality theory primarily bases on an approach called client-centered therapy. This theory stresses the importance of people who determine their fate. As with all theories devised and applied in the understanding of people, Roger’s Phenomenological have both strengths and many limitations. One of its major strengths attributed to it is the idea that the people are fully accountable and in control of their actions. It is therefore in a stark contrast to the perceptions behind psychoanalysis explanations. Operating from this notion is the view that humanistic perspective promotes ideas of being human, self-fulfillment as well as realistic and observable aims that that can get reached. The another strength is the idea that from a clinical perspective, it provides open avenue where a patent can show any thought feeling without getting led down a path to revisit some traumatic events that are unworthy discussing.

On the weaknesses side, Roger’s Phenomenological lacks empirical evidence to support the claims. Scholars like Maslow have widely received criticism in the similar aspect of scientific empirical prove absence. Another and related weakness to Roger’s Phenomenological is its inability as well as unsuitability to be utilized in a metaphysical scenario. Despite the fact that Freud, as well as other contemporary Freudians, survived to move towards ethics as well as morality similar lack of empirical evidence criticism, Roger’s Phenomenological are yet to encroach in the metaphysical areas. The other limitation of Roger’s Phenomenological is that professionals view its discipline as motivated by cold realities of psychoanalysis and that it is a discipline based on resisting the unconscious. This reason has made it decline in recent applications.


Collin, C., & DK Publishing, Inc. (2012): The psychology books. New York: DK Pub.


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