%0 Journal Article %T The principle of aggregation in psychobiological correlational research: An example from the open-field test %A Ossenkopp, Klaus-Peter %A Mazmanian, Dwight %J Learning & Behavior %V 13 %N 4 %P 339-344 %@ 1543-4494 %D 2011-01-10 %I Springer-Verlag %~ DeepDyve