Abstract
Research on news media trust and the many related concepts has grown steadily in recent years. Yet, the field currently still lacks a comprehensive understanding of the extent to which the conceptualizations and operationalizations of these constructs are (mis)aligned. To address this gap, we systematically reviewed and content-analyzed 623 empirical publications on news media trust and related concepts from 1951 to 2025. We found a great diversity in operationalizations and conceptualizations of trust-related concepts, which could be partly explained by various contextual and methodological factors, such as the timing, region, and method of the research. By synthesizing previous definitions, we identified three distinct approaches to define these concepts, aiming to integrate the various perspectives on this topic. Our findings suggest that future research should aim for a more coherent operationalization of news media trust variables to ensure consistency and comparability across studies.
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