Why rate when you could compare? Using the “EloChoice” package to assess pairwise comparisons of perceived physical strength

@inproceedings{Clark2018WhyRW,
  title={Why rate when you could compare? Using the “EloChoice” package to assess pairwise comparisons of perceived physical strength},
  author={Andrew P Clark and Kate L Howard and Andy Woods and Ian Penton-Voak and Christof Neumann},
  booktitle={PloS one},
  year={2018}
}
We introduce "EloChoice", a package for R which uses Elo rating to assess pairwise comparisons between stimuli in order to measure perceived stimulus characteristics. To demonstrate the package and compare results from forced choice pairwise comparisons to those from more standard single stimulus rating tasks using Likert (or Likert-type) items, we investigated perceptions of physical strength from images of male bodies. The stimulus set comprised images of 82 men standing on a raised platform… CONTINUE READING
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