About the Authors

Andrew N. Kelly

Affiliation School of Psychology, University of Nottingham, Nottingham, United Kingdom

Walter J. B. van Heuven

*E-mail: walter.vanheuven@nottingham.ac.uk

Affiliation School of Psychology, University of Nottingham, Nottingham, United Kingdom

Nicola J. Pitchford

Affiliation School of Psychology, University of Nottingham, Nottingham, United Kingdom

Timothy Ledgeway

Affiliation School of Psychology, University of Nottingham, Nottingham, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: AK WVH NP TL. Performed the experiments: AK. Analyzed the data: AK. Contributed reagents/materials/analysis tools: AK. Wrote the manuscript: AK WVH NP TL.