The Development and Validation of the Rational and Intuitive Decision Styles Scale

Area of Science:

• Psychology
• Decision Science

Background:

• Decision styles are crucial for understanding individual differences in decision-making.
• Existing measures of decision styles suffer from conceptual and psychometric limitations.

Purpose of the Study:

• To develop and validate a new, psychometrically sound decision style scale.
• To capture a comprehensive range of rational and intuitive decision styles.

Main Methods:

• Scale development and validation using 5 independent samples.
• Factor analysis to assess dimensionality.
• Reliability (internal consistency) and validity (convergent and discriminant) analyses.

Main Results:

• The new 10-item scale demonstrates a clear factor structure and high internal consistency.
• Evidence of convergent and discriminant validity was found through correlations with individual differences and Big Five traits.
• The scale effectively captures the rational and intuitive decision styles construct domain.

Conclusions:

• The developed decision style scale is a reliable and valid instrument for research.
• This scale can be utilized across various research domains to study decision-making processes.
• The findings contribute to a better understanding of decision styles and their measurement.