Prior-treatment effects on open-field emotionality: the need for representative design.
D000367:Age Factors; D000818:Animals; D001362:Avoidance Learning; D001522:Behavior, Animal; D003423:Critical Period, Psychological; D003672:Defecation; D004644:Emotions; D004777:Environment; D005108:Extinction, Psychological; D005824:Genetics, Behavioral; D005838:Genotype; D006801:Humans; D008722:Methods; D051379:Mice; D051381:Rats; D012106:Research; D013315:Stress, Psychological