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**10/2016 Deviation from the pre-registered protocol:** A mistake in the code used for generating new stimuli caused that only one letter instead of two was randomly changed in each generated word. ////////////////////////////////////////////////////////////////////////////////////////////// PARTICIPANTS We collected data from 200 participants recruited from our participant pool. The participant pool consists mainly of university students. Participants were compensated for their participation in the whole set of studies, which took approximately 50 minutes, by 100 CZK (~4EUR, 4USD). <br><br> MATERIALS - OVERVIEW Participants were given a food additive scenario used in Song & Schwarz (2009). They judged harmfulness of 15 additives presented sequentially on a 7-point scale (with endpoints "very safe" and "very harmful"). We used 10 names from the original study by Song & Schwarz and constructed additional 40 names. The new names were constructed by downloading a list of 12-letters long names of medicines, randomly substituting 2 letters in each word with random letters, randomly selecting 10-letter continuous string from this newly constructed name, and appending a 2-letter suffix from a list of suffixes commonly found in Czech food additive names. The resulting names varied in pronounceability and were similar to the original names used in Song & Schwarz (2009). Lists of old and new names as well as program used for construction of the names and its outputs can be found in Files. <br><br> DESIGN All participants rated harmfulness of 10 randomly selected newly constructed and 5 original names of additives. Next, participants were divided into two groups. The first group rated novelty of another 10 randomly selected newly constructed names and 5 remaining original names. The second group rated pronounceability of 20 newly constructed names and 5 remaining original names. <br><br> Song, H., & Schwarz, N. (2009). If It's Difficult to Pronounce, It Must Be Risky Fluency, Familiarity, and Risk Perception. *Psychological Science, 20*, 135-138.
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