. Effects of amount of food reinforcement on fixed-interval-induced attack in pigeons. Pigeons; Reinforcement (Psychology). P-7848 50 2^ 240 o <â t tr UJ z 120 a: UJ Q. tn 80 ^ o < S 40 0 Determination ⢠â¢Ist O 2ncl A 3rd. 6 g âI t ^ P cr o a. o a: '^ Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Pitts, Raymond

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Keywords: ., boo, bookcentury1900, bookcollectionamericana, booksubjectpigeons