About the Authors

Robert Ward
School of Psychology, Bangor University, Bangor, United Kingdom

Corresponding Author

r.ward@bangor.ac.uk

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: RK RW. Performed the experiments: RK AL RW. Analyzed the data: RK RW. Wrote the paper: RK RW. Materials collection: RK AL RW.