Establishing meaningful cut points for online user ratings
G. Hirschfeld, M. Thielsch, Ergonomics 58 (2015) 310–320.

Spatial frequencies in aesthetic website evaluations – explaining how ultra-rapid evaluations are formed
M.T. Thielsch, G. Hirschfeld, Ergonomics 55 (2012) 731–742.

High and low spatial frequencies in website evaluations
M.T. Thielsch, G. Hirschfeld, Ergonomics 53 (2010) 972–978.