Brain Dominance

Abstract

This instrument, titled the Brain Dominance questionnaire, is a self-report measure designed to assess an individual’s preference for certain cognitive styles and processing patterns, typically categorized along the lines of the popularized left-brain/right-brain dichotomy. It aims to quantify the degree to which a respondent exhibits traits associated with logical, sequential thinking (left hemisphere preference) versus intuitive, holistic, and artistic thinking (right hemisphere preference). The scale comprises 20 items requiring simple Yes/No responses, making it a quick tool for general self-assessment regarding psychological processing tendencies.

Keywords

Brain dominance, Hemispheric specialization, Cognitive style, Left brain, Right brain, Lateralization, Personality, Learning style, Logic, Intuition.

Authors

The original authors of this specific online instrument are not explicitly listed in the source material. It appears to be an adaptation or creation by the operators of the hosting website, personalitytest.net.

Purpose

The primary purpose of the Brain Dominance instrument is to provide users with a general indication of their preferred mode of information processing and decision-making. By contrasting behaviors related to organization, adherence to rules, mathematical preference, and sequential planning against behaviors characterized by spontaneity, artistic inclination, and reliance on non-verbal cues, the scale attempts to highlight an individual’s dominant cognitive approach.

In educational and self-help contexts, the results are often used to suggest learning strategies or career paths that align with the perceived dominant cerebral hemisphere. It serves as a tool for quick self-reflection regarding one’s balance between analytical and creative tendencies, though its application in rigorous clinical or research settings is limited due to the general nature of the construct.

Construct

The scale measures the construct of Brain Dominance, which is rooted in the theory of hemispheric specialization. This theory, popularized in psychology, suggests that the two cerebral hemispheres have distinct functions. The left hemisphere is traditionally associated with tasks involving language, sequence, analysis, mathematics, and logic. The right hemisphere is associated with spatial reasoning, holistic perception, artistic ability, non-verbal communication, and intuition.

It is crucial to note that while functional lateralization exists (e.g., language processing), the concept that individuals are strictly “left-brained” or “right-brained” is largely considered a neuromyth by modern neuroscientists. This instrument, therefore, measures self-reported behavioral preferences corresponding to these popularized cognitive stereotypes rather than actual neurological dominance.

Validity

As this specific version of the Brain Dominance questionnaire is frequently presented as a general online self-assessment tool, detailed psychometric documentation regarding its validity (e.g., content validity, criterion validity, or construct validity) is typically absent. The validity relies primarily on the face validity of the items—that is, whether the items appear to measure organized versus spontaneous behavior.

For research purposes, the lack of published validation studies means the scale’s ability to accurately measure the intended psychological construct of lateralization or cognitive style is questionable. Users should treat the results as anecdotal indicators of preference rather than scientifically validated psychological data.

Reliability

Information concerning the internal consistency (e.g., Cronbach’s Alpha) or test-retest reliability of this specific 20-item scale is generally unavailable in peer-reviewed literature. Given its non-academic distribution, standardized measures of reliability, which are essential for clinical or rigorous research applications, have likely not been established.

Low reliability could result from the binary (Yes/No) response format, which limits the nuance required to capture complex behavioral preferences, potentially leading to inconsistent results upon repeated administration.

Factor Analysis

A formal, published factor analysis detailing the underlying structure of these 20 items is not available. However, based on the content of the items (e.g., organization, adherence to rules, spontaneity, artistic preference), a factor analysis would theoretically aim to confirm two primary factors: one representing Analytic/Left-Brain Preference (e.g., Items focused on sequence, adherence, and rules) and the other representing Global/Right-Brain Preference (e.g., Items focused on spontaneity, art, and non-verbal communication).

The effectiveness of this instrument would depend on the clarity and orthogonality of these two presumed factors, which remains empirically untested for this specific version.

Instrument

Test Type: Self-report questionnaire, non-clinical psychological assessment.

Format: 20 forced-choice items (Dichotomous response format: Yes/No).

Language Available: Primarily English (as presented in the source).

Population Group: General population.

Age Group: Adolescents and adults capable of self-reflection.

Population Details: The scale is widely accessible online and is not restricted to specific demographic or clinical groups.

Test Methodology: Respondents answer “Yes” or “No” to each statement. Scoring typically involves tallying the number of responses aligned with the left-brain profile versus the right-brain profile, leading to a score indicating a dominant preference.

Keywords

Dichotomous scale, Self-assessment, Logic vs Intuition, Analytical thinking, Holistic processing, Psychological instrument, Brain dominance questionnaire.

Authors

Author ORCID Identifier: Not applicable (Authorship unknown or proprietary).

Affiliation Email addresses: Not applicable.

Correspondence Address: Not applicable.

Permissions & Fee and Test Year

The instrument is freely available for personal use on the hosting website. Given its status as an online, non-academic tool, specific copyright permissions for academic reproduction or clinical use should be verified with the website owner. No publication year or associated fees for personal use are explicitly listed.

Reference’s

The primary source for this specific instrument is the online portal where it is hosted. Researchers seeking psychometric data should look for established, peer-reviewed scales measuring cognitive style or hemispheric preference, as this version lacks formal documentation.

• Online Instrument Source: http://www.personalitytest.net/questionnaires/braindominance/

Items of the Brain dominance

IMPORTANT: The following scale items must be preserved in their original language and must not be changed in any way.

The response format is: Yes, No

1. I keep a to do list in order to organize my schedule.
2. I base important decisions on logic rather than intuition.
3. I am a risk taker.
4. When I have many tasks to accomplish I start with the hard ones first.
5. I think that rules and regulations are important for society to function effectively.
6. It is easier for me to remember faces rather than names.
7. I can usually tell what time it is without looking at a watch.
8. I gesture a lot with my hands when talking.
9. There is a right and a wrong way to do everything.
10. I sometimes act spontaneously without thinking about the consequences of my actions.
11. I turn my head to the right when someone asks me a question.
12. I am more artistic than technical.
13. I prefer to pay attention to how people are communicating (non verbal cues)‚ rather than what they are saying.
14. I like to rearrange the furniture in my house two or three times a year.
15. I would read the instructions before assembling something.
16. My desk is usually very messy.
17. I am usually on time for my appointments.
18. I have difficulty expressing myself with words sometimes.
19. It bothers me when I cannot make sense of every single situation.
20. I am better in algebra than in geometry.