Experimenter Effects in Behavioral Research by Robert Rosenthall
1966. No Edition Remarks. 464 pages. No dust jacket. Red and black paper covered boards. Pages are bright and clear with minor tanning to text block edges, pastedowns and free endpapers. Minor creasing to gutters and hinges. Binding remains firm. Boards have minor corner bumping and edgewear with mild scuffing overall. Spine has light tanning with soft crushing to ends.