%0 Journal Article %T Controlled and automatic human information processing: II. Perceptual learning, automatic attending and a general theory %A Shiffrin, Richard M. %A Schneider, Walter %J Psychological Review %V 84 %N 2 %P 127-190 %@ 0033-295x %D 1977-03-01 %I American Psychological Association %~ DeepDyve