Prompts used to elicit film interpretations, evaluate Italian essays for conspiratorial content, translate the conspiracy dictionary, generate syntactic complexity corpora, and extract lexical sophistication norms; complete list of Italian dictionary terms used for lexical conspiracism assessment; alternative three-dimensional prompt for evaluating conspiratorial content with correlation matrix comparing metrics; moderated regression analyses examining whether textual quality affects conspiracy content detection; correlation matrices between conspiracy-related variables and narcissism and attachment style measures for Studies 1 and 2; and correlation coefficients between conspiracism, conspiratorial content, and LIWC dictionaries.