TY - RPRT TI - A validity study of the semantic differential technique. AU - A E GRIGG PY - 1959 DO - 10.1002/1097-4679(195904)15:2<179::aid-jclp2270150217>3.0.co;2-u UR - https://pubmed.ncbi.nlm.nih.gov/13631108/ ID - 13631108 ER -