Constructing Schwartz Values Framework using the Rokeach Values Survey: Human Value Measurement in the Longitudinal Internet Survey for Social Sciences

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This paper proposes a method to measure basic human values using the Rokeach Value Survey (RVS, Rokeach, 1973) within the Longitudinal Internet Studies for Social Sciences (LISS; Scherpenzeel & Das, 2010). The LISS, running for over 12 years in the Netherlands, serves as a valuable source of data to study the development of values across the lifespan. We identify and assign RVS items to Schwartz (1992) value types based on theoretical overlap, and conduct a weak confirmatory multidimensional scaling analysis to assess the coverage of values. The selected items are then used to compute value scales, which are compared to an established value scale (Portrait Values Questionnaire) using rankings and Procrustes analysis. Lastly, the predictive validity of the value measurements is assessed through linear regression, comparing standardized regression coefficients of socio-demographic factors on each value type. By adapting the Rokeach Value Survey to align with the Schwartz (1992) value structure, researchers can establish a consistent framework for assessing human values longitudinally, enabling better comparisons and insights across different studies and time periods.