1. Response strength and temporal control in fixed-interval schedules

   • Randolph C. Grace
   • John A. Nevin

   OriginalPaper Pages: 313 - 331

2. Differences in responding for sucrose and wheel-running reinforcement: Excitatory stimulus effects or inhibitory after-effects?

   • Terry W. Belke

   OriginalPaper Pages: 332 - 343

3. Event-duration discrimination by pigeons: The choose-short effect may result from retention-test novelty

   • Brigette R. Dorrance
   • Daren H. Kaiser
   • Thomas R. Zentall

   OriginalPaper Pages: 344 - 353

4. A general approach for calculating the likelihood of dyadic interactions: Applications to sex preferences in rat pups and agonistic interactions in adults

   • Jeffrey C. Schank
   • Jeffrey R. Alberts

   OriginalPaper Pages: 354 - 359

5. Place and cue learning in turtles

   • J. C. López
   • F. Rodríguez
   • C. Salas

   OriginalPaper Pages: 360 - 372

6. Independent effects of stimulus and cycle duration in conditioning: The role of timing processes

   • Kimberly Kirkpatrick
   • Russell M. Church

   OriginalPaper Pages: 373 - 388

7. Super-latent inhibition with delayed conditioned taste aversion testing

   • L. G. De La Casa
   • R. E. Lubow

   OriginalPaper Pages: 389 - 399

8. Forthcoming articles

   Announcement Pages: 400 - 400

9. Notices and announcements

   Announcement Pages: 401 - 402