1. The effect of training and number of stimuli on the response variance in correlation learning;Björkman;Umeå Psychological Reports,1968
2. Individual performances in a single-cue probability learning task;Björkman;Scandinavian Journal of Psychology,1969
3. Intuitive inference about normally distributed populations;DuCharme;Journal of Experimental Psychology,1968
4. Conservatism in human information processing;Edwards,1968
5. Predicting with intuitive correlations;Gray;Psychonomic Science,1968