Feature extinction enhances transfer of occasion setting Peter C. Holland OriginalPaper Pages: 269 - 279
19th Annual Meeting of the Society for Computers in Psychology Atlanta, Georgia November 16, 1989 Announcement Pages: 279 - 279
Backward associations: Differential learning about stimuli that follow the presence versus the absence of food in pigeons Eliot Hearst OriginalPaper Pages: 280 - 290
Associations with anticipated and obtained outcomes in instrumental learning Robert A. RescorlaRuth M. Colwill OriginalPaper Pages: 291 - 303
The role of signaled periods of nonreinforcement in responding on a random schedule in autoshaping Steven J. RobbinsRobert A. Rescorla OriginalPaper Pages: 304 - 310
Dissociation of the effect of reinforcer type and response strength on the force of a conditioned response Kelly J. Stanhope OriginalPaper Pages: 311 - 321
Environmental control of morphine tolerance in the hamster Paul SchnurRae Ann Martinez OriginalPaper Pages: 322 - 327
Instrumental responding by rats on free-operant schedules with components that schedule response-dependent reinforcer omission: Implications for optimization theories Phil ReedTodd R. Schachtman OriginalPaper Pages: 328 - 338
Optimization of reward rate on concurrent variable-interval variable-interval schedules S. A. HenschC. Donald Heth OriginalPaper Pages: 339 - 348
30th Annual Meeting of the Psychonomic Society Atlanta, Georgia November 17–19, 1989 Announcement Pages: 348 - 348
Differential outcome expectancies and directed forgetting effects in pigeons Angelo Santi OriginalPaper Pages: 349 - 354
Spatial matching and nonmatching in male and female Wistar rats: Effects of delay-interval duration Frans Van HaarenAnnemieke Van Hest OriginalPaper Pages: 355 - 360
International Congress of Psychology Brussels, Belgium July 19–24, 1992 Announcement Pages: 360 - 360
Attentional enhancement in matching-to-sample: Facilitation in matching acquisition by sample-discrimination training Peter J. UrcuioliJudy Callender OriginalPaper Pages: 361 - 367
Strike-induced chemical preferences in prairie rattlesnakes (Crotalus viridis) Ted MelcerDavid Chiszar OriginalPaper Pages: 368 - 372
Tactile, maternal, and pharmacologic factors involved in the “transport response” in rat pups Christopher WilsonAllison D. CromeyEric Kramer OriginalPaper Pages: 373 - 380
