UNDERMATCHING: A REAPPRAISAL OF PERFORMANCE ON CONCURRENT VARIABLE‐INTERVAL SCHEDULES OF REINFORCEMENT1
- 1 January 1977
- journal article
- research article
- Published by Wiley in Journal of the Experimental Analysis of Behavior
- Vol. 27 (1) , 203-214
- https://doi.org/10.1901/jeab.1977.27-203
Abstract
The extant data for pigeons' performance on concurrent variable-interval schedules were examined in detail. Least-squares lines relating relative pecks and time to the corresponding relative reinforcements were obtained for four studies. The between-study group slopes for time and pecks and five of seven within-study group slopes from individual studies were less than 1.00. This suggested the generality that pigeons respond less to the richer reinforcement schedule than predicted by matching. For pecks, a nonparametric test for distribution of points also supported this concept of undermatching (to the richer reinforcement schedule). In addition, using mean squared error as the criterion, a cubic curve fit the peck proportion data better than any line or other polynomial. This indicates that the relation between peck and reinforcement proportions may be nonlinear.Keywords
This publication has 25 references indexed in Scilit:
- PERFORMANCE IN CONCURRENT INTERVAL SCHEDULES: A SYSTEMATIC REPLICATION1Journal of the Experimental Analysis of Behavior, 1975
- ON TWO TYPES OF DEVIATION FROM THE MATCHING LAW: BIAS AND UNDERMATCHING1Journal of the Experimental Analysis of Behavior, 1974
- REINFORCER EFFECTIVENESS AS A FUNCTION OF REINFORCER RATE AND MAGNITUDE: A COMPARISON OF CONCURRENT PERFORMANCES1Journal of the Experimental Analysis of Behavior, 1973
- INTERACTION OF FREQUENCY AND MAGNITUDE OF REINFORCEMENT ON CONCURRENT PERFORMANCES1Journal of the Experimental Analysis of Behavior, 1973
- AN ANALYSIS OF RESPONSE AND TIME MATCHING TO REINFORCEMENT IN CONCURRENT RATIO‐INTERVAL SCHEDULES1Journal of the Experimental Analysis of Behavior, 1973
- ON THE LAW OF EFFECT1Journal of the Experimental Analysis of Behavior, 1970
- CONCURRENT RESPONDING WITH FIXED RELATIVE RATE OF REINFORCEMENT1Journal of the Experimental Analysis of Behavior, 1969
- CHOICE AS TIME ALLOCATION1Journal of the Experimental Analysis of Behavior, 1969
- SOME EFFECTS OF RELATIVE REINFORCEMENT RATE AND CHANGEOVER DELAY IN RESPONSE‐INDEPENDENT CONCURRENT SCHEDULES OF REINFORCEMENT1Journal of the Experimental Analysis of Behavior, 1968
- CHANGEOVER DELAY AND CONCURRENT SCHEDULES: SOME EFFECTS ON RELATIVE PERFORMANCE MEASURES1Journal of the Experimental Analysis of Behavior, 1967