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Papers by Andrea Begotka

Experimental and Clinical Psychopharmacology, 2004

Prior studies comparing discounting of delayed hypothetical or potentially real rewards have repo... more Prior studies comparing discounting of delayed hypothetical or potentially real rewards have reported no differences, but they used within-subjects designs. This raises the possibility that participants remembered their choices in one condition and repeated them in the other. In Experiment 1, between-subjects comparisons were made with an adjusting-amount procedure. No significant effect of reward type on delay discounting was detected. Experiment 2 increased the proportion of real rewards and made between- and within-subject comparisons. These comparisons also failed to reveal a significant effect of reward type. Although these findings are consistent with prior findings, caution is urged because choices involving hypothetical rewards have yet to be compared with choices involving real rewards (i.e., the consequences of every choice are obtained) in an experiment using forced-choice trials and steady-state methodology.

Behavioural Processes, 2005

Human research in delay discounting has omitted several procedures typical of animal studies: for... more Human research in delay discounting has omitted several procedures typical of animal studies: forced-choice trials, consequences following each response, and assessment of stable response patterns. The present study manipulated these procedures across two conditions in which real or hypothetical rewards were arranged. Six college students participated in daily sessions, in which steady-state discounting of hypothetical and real rewards was assessed. No systematic effects of repeated exposure to hypothetical rewards was detected when compared with first day assessments of discounting. Likewise, no systematic effect of reward type (real versus hypothetical) was detected. When combined with previous research failing to detect a difference between hypothetical and potentially real rewards, these findings suggest that assessing discounting of hypothetical rewards in single sessions is a practical and valid procedure in the study of delay discounting.

Behavioral Interventions, 2006

Abstract Behavior therapy has been widely used as a treatment for trichotillomania. However, beha... more Abstract Behavior therapy has been widely used as a treatment for trichotillomania. However, behavioral treatments for TTM have tended to focus on behavior reduction, while not paying as much attention to social and economic impact. The current study sought to ...

Journal of Behavior Therapy and Experimental Psychiatry, 2004

In this study 436 adults, who reported being diagnosed with trichotillomania (TTM), completed an ... more In this study 436 adults, who reported being diagnosed with trichotillomania (TTM), completed an anonymous survey examining the relationship between experiential avoidance (i.e., escape from or avoidance of unwanted thoughts or emotions) and TTM severity. Results showed a significant positive correlation between measures of experiential avoidance and TTM severity, indicating that more experientially avoidant individuals tended to exhibit more severe TTM. Subsequent analyses found that persons who scored higher on a measure of experiential avoidance reported more frequent and intense urges to pull, were less able to control their urges, and experienced more pulling-related distress than persons who were not experientially avoidant. Conversely, results also showed that individuals who were more experientially avoidant were no more likely to actually pull and were no less successful in actually stopping themselves from pulling than non-avoidant individuals. The results of this study suggest that experiential avoidance may be an important issue in understanding and possibly treating some persons with TTM. r

Experimental and Clinical Psychopharmacology, 2004

Prior studies comparing discounting of delayed hypothetical or potentially real rewards have repo... more Prior studies comparing discounting of delayed hypothetical or potentially real rewards have reported no differences, but they used within-subjects designs. This raises the possibility that participants remembered their choices in one condition and repeated them in the other. In Experiment 1, between-subjects comparisons were made with an adjusting-amount procedure. No significant effect of reward type on delay discounting was detected. Experiment 2 increased the proportion of real rewards and made between- and within-subject comparisons. These comparisons also failed to reveal a significant effect of reward type. Although these findings are consistent with prior findings, caution is urged because choices involving hypothetical rewards have yet to be compared with choices involving real rewards (i.e., the consequences of every choice are obtained) in an experiment using forced-choice trials and steady-state methodology.

Behavioural Processes, 2005

Human research in delay discounting has omitted several procedures typical of animal studies: for... more Human research in delay discounting has omitted several procedures typical of animal studies: forced-choice trials, consequences following each response, and assessment of stable response patterns. The present study manipulated these procedures across two conditions in which real or hypothetical rewards were arranged. Six college students participated in daily sessions, in which steady-state discounting of hypothetical and real rewards was assessed. No systematic effects of repeated exposure to hypothetical rewards was detected when compared with first day assessments of discounting. Likewise, no systematic effect of reward type (real versus hypothetical) was detected. When combined with previous research failing to detect a difference between hypothetical and potentially real rewards, these findings suggest that assessing discounting of hypothetical rewards in single sessions is a practical and valid procedure in the study of delay discounting.

Behavioral Interventions, 2006

Abstract Behavior therapy has been widely used as a treatment for trichotillomania. However, beha... more Abstract Behavior therapy has been widely used as a treatment for trichotillomania. However, behavioral treatments for TTM have tended to focus on behavior reduction, while not paying as much attention to social and economic impact. The current study sought to ...

Journal of Behavior Therapy and Experimental Psychiatry, 2004

In this study 436 adults, who reported being diagnosed with trichotillomania (TTM), completed an ... more In this study 436 adults, who reported being diagnosed with trichotillomania (TTM), completed an anonymous survey examining the relationship between experiential avoidance (i.e., escape from or avoidance of unwanted thoughts or emotions) and TTM severity. Results showed a significant positive correlation between measures of experiential avoidance and TTM severity, indicating that more experientially avoidant individuals tended to exhibit more severe TTM. Subsequent analyses found that persons who scored higher on a measure of experiential avoidance reported more frequent and intense urges to pull, were less able to control their urges, and experienced more pulling-related distress than persons who were not experientially avoidant. Conversely, results also showed that individuals who were more experientially avoidant were no more likely to actually pull and were no less successful in actually stopping themselves from pulling than non-avoidant individuals. The results of this study suggest that experiential avoidance may be an important issue in understanding and possibly treating some persons with TTM. r

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