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. 2011 Spring;44(1):163-7.
doi: 10.1901/jaba.2011.44-163.

Fixed-time schedule effects in combination with response-dependent schedules

John C Borrero  1 , Jamie A Bartels-Meints, Jolene R Sy, Monica T Francisco
Affiliations

Fixed-time schedule effects in combination with response-dependent schedules

John C Borrero et al. J Appl Behav Anal. 2011 Spring.

Abstract

We evaluated the effects of fixed-interval (FI), fixed-time (FT), and conjoint (combined) FI FT reinforcement schedules on the responding of 3 adults who had been diagnosed with schizophrenia. Responding on vocational tasks decreased for 2 of 3 participants under FT alone relative to FI alone. Responding under FI FT resulted in response persistence for 2 of 3 participants. Results have implications for the maintenance of desirable behavior, as well as for situations in which FT treatment has been implemented for problem behavior and problem behavior is nevertheless reinforced by caregivers.

Keywords: conjoint schedules; noncontingent reinforcement; schizophrenia; time-based schedules; vocational skills.

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Figures

Figure 1
Figure 1
Responses per minute of vocational task completion for Judy (top), Javier (middle), and Samuel (bottom) across conditions.
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