An English-Language adaptation and validation of the Justice Sensitivity Short Scales-8 (JSS-8)

Area of Science:

• Psychology
• Moral Psychology
• Social Psychology

Background:

• Justice sensitivity encompasses individual differences in reactions to injustice across four roles: victim, observer, beneficiary, and perpetrator.
• Accurate measurement of justice sensitivity is crucial for understanding moral behavior and individual differences in ethical research.
• Existing measures can be lengthy, posing challenges in research settings with time or space constraints.

Purpose of the Study:

• To empirically validate the English-language adaptation of the Justice Sensitivity Short Scales-8 (JSS-8) in a UK sample.
• To assess the psychometric properties, including reliability, validity, and standardization, of the JSS-8.
• To determine the cross-cultural invariance of the JSS-8 between the UK and Germany.

Main Methods:

• The study utilized a heterogeneous quota sample from the UK.
• The Justice Sensitivity Short Scales-8 (JSS-8), an eight-item scale, was administered to participants.
• Psychometric analyses were conducted to evaluate the scale's reliability, validity, and measurement invariance.

Main Results:

• The JSS-8 demonstrated good psychometric properties, including reliability, validity, and standardization, in the UK sample.
• The psychometric properties of the English JSS-8 were comparable to the original German version (USS-8).
• Measurement invariance (loadings, intercepts, residual variances) was established, allowing for cross-cultural comparisons.

Conclusions:

• The validated English JSS-8 is a reliable and efficient tool for measuring the four facets of justice sensitivity.
• The scale's cross-cultural invariance supports its use in comparative research between the UK and Germany.
• The JSS-8 is particularly suitable for research contexts requiring brief assessments of justice sensitivity.