TY - JOUR T1 - Research Methods to Avoid Bias in Categorical Ratings of Brightness JO - LEUKOS UR - http://eprints.whiterose.ac.uk/77012/ PY - 2009/01/01 AU - Fotios SA AU - Houser KW ED - DO - DOI: 10.1582/LEUKOS.2008.05.03.002 VL - 5 IS - 3 SP - 167 EP - 181 Y2 - 2025/06/20 ER -