Social isolation at weaning: Some effects on two measures of activity Lesley A. Syme OriginalPaper Pages: 161 - 163
Maintenance of keypecking in pigeons by a food avoidance but not by a shock avoidance contingency Barry Schwartz OriginalPaper Pages: 164 - 166
Effects of varied and partial reward on discrete-trial patterning of rats J. M. BloomDonald T. WilliamsLeroy P. Metze OriginalPaper Pages: 167 - 170
Two-way generalization peak shift after two-key training in the pigeon Donald S. Blough OriginalPaper Pages: 171 - 174
Sequences of reward magnitude and runway performance Edward L. WikeDennis D. King OriginalPaper Pages: 175 - 178
Transfer between nonreward and delay of reward following minimal acquisition training Mitri E. ShanabGerald Cavallaro OriginalPaper Pages: 179 - 182
Generalization of fixed-interval response patterning in pigeons Thomas D. NelsonG. William Farthing OriginalPaper Pages: 183 - 188
Reversing the reinforcement contingencies of eating and keypecking behaviors Leonard P. SawischM. Ray Denny OriginalPaper Pages: 189 - 192
Discriminative vs motivational interpretations of avoidance extinction: Extensions to learned helplessness Cynthia ScheuerCary O. Sutton OriginalPaper Pages: 193 - 197
The effect of redundant contextual stimuli on autoshaping the pigeon’s keypeck Edward A. Wasserman OriginalPaper Pages: 198 - 206
Aversive and aggression-promoting properties of urine from dominant and subordinate male mice R. B. JonesN. W. Nowell OriginalPaper Pages: 207 - 210
Airblast avoidance learning sets in rhesus monkeys Gerald R. StofferRobert R. Zimmermann OriginalPaper Pages: 211 - 214
Lever holding behavior during a leverlift shock escape procedure Hank DavisPaul HirschornHarry M. B. Hurwitz OriginalPaper Pages: 215 - 218
Persistence early and late in extinction as a function of number of continuous reinforcements preceding partial reinforcement training Kenneth L. TraupmannAbram AmselPaul T. P. Wong OriginalPaper Pages: 219 - 222
Influences of social isolation during development on sexual behavior of the rat John A. DuffyShelton E. Hendricks OriginalPaper Pages: 223 - 227
Tonic immobility in chickens: Is a stimulus that signals shock more aversive than the receipt of shock? Gordon G. Gallup OriginalPaper Pages: 228 - 232
Prolonged duration of the “novelty effect” following prolonged exposure to a single discriminandum R. E. FrankenG. P. Bray OriginalPaper Pages: 233 - 236
Eliminating behavior with omission and extinction after varying amounts of training Charles N. Uhl OriginalPaper Pages: 237 - 240