What’s in a Click? The Efficacy of Conditioned Reinforcement in Applied Animal Training: A Systematic Review and Meta-Analysis.
Abstract: A conditioned reinforcer is a stimulus that acquired its effectiveness to increase and maintain a target behavior on the basis of the individual's history-e.g., pairings with other reinforcers. This systematic review synthesized findings on conditioned reinforcement in the applied animal training field. Thirty-four studies were included in the review and six studies were eligible for a meta-analysis on the effectiveness of behavioral interventions that implemented conditioned reinforcement (e.g., clicks, spoken word, or whistles paired with food). The majority of studies investigated conditioned reinforcement with dogs (47%, n = 16) and horses (30%, n = 10) implementing click-food pairings. All other species (cats, cattle, fish, goats, and monkeys) were equally distributed across types of conditioned (e.g., clicker or spoken word) and unconditioned reinforcers (e.g., food, water, or tactile). A meta-analysis on the effectiveness of conditioned reinforcement in behavioral interventions found a medium summary effect size (Tau-U 0.77; CI = [0.53, 0.89]), when comparing baseline, where no training was done, and treatment levels. Moderators of conditioned reinforcement effectiveness were species (e.g., horses) and research design (e.g., multiple-baseline designs). The small number of intervention-focused studies available limits the present findings and highlights the need for more systematic research into the effectiveness of conditioned reinforcement across species.
Publication Date: 2020-09-28 PubMed ID: 32998242PubMed Central: PMC7600771DOI: 10.3390/ani10101757Google Scholar: Lookup
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Summary
This research summary has been generated with artificial intelligence and may contain errors and omissions. Refer to the original study to confirm details provided. Submit correction.
The research article is a systematic review and meta-analysis that examines the effectiveness of conditioned reinforcement in animal training. It finds that when stimuli like clicks and spoken words are paired with treats, they can effectively increase and maintain target behavior in animals.
Introduction to the Research
- The researchers conduct a systematic review and meta-analysis of the use of conditioned reinforcement in animal training.
- Conditioned reinforcement, a prominent concept in behavioral science, refers to a stimulus, like a click or spoken word, that has been used repeatedly with other reinforcing factors like food, to create a specific response in an animal.
Methodology and Sample
- The study analyzed findings from 34 different sources that examined conditioned reinforcement’s effect in the field of applied animal training, making a significant cross-section of research available for analysis.
- Out of these, six studies were eligible for a meta-analysis, a statistical method for combining the results of many studies to obtain a general conclusion.
- The animals involved in these studies were predominantly dogs (representing 47% of the studied population) and horses (30%), with cats, cattle, fish, goats, and monkeys also included.
Key Findings: Efficacy of Conditioned Reinforcement in Applied Animal Training
- The type of conditioned reinforcement used varied across studies, including clicks, spoken words, and whistles paired with food for reinforcers.
- Based on the meta-analysis, the researchers found a medium summary effect size (Tau-U 0.77; CI = [0.53, 0.89]). This indicates a noteworthy effectiveness of using conditioned reinforcement in applied animal training when compared to baseline levels where no training was conducted.
- In terms of factors modifying the effectiveness of conditioned reinforcement, animal species (with horses showing particular responsiveness) and research design were highlighted, with multiple-baseline designs proving most effective.
Implications and Recommendations
- One of the research limitations was the small number of intervention-focused studies available. This could potentially limit the scope and generalizability of the present findings.
- Recognizing this limitation, the researchers suggest more systematic research into the effectiveness of conditioned reinforcement across different species to further validate and refine their findings.
Cite This Article
APA
Pfaller-Sadovsky N, Hurtado-Parrado C, Cardillo D, Medina LG, Friedman SG.
(2020).
What’s in a Click? The Efficacy of Conditioned Reinforcement in Applied Animal Training: A Systematic Review and Meta-Analysis.
Animals (Basel), 10(10), 1757.
https://doi.org/10.3390/ani10101757 Publication
Researcher Affiliations
- School of Biological Sciences, Queen's University Belfast, Belfast BT95AJ, UK.
- Department of Psychology, Troy University, Troy, AL 36082, USA.
- Faculty of Psychology, Fundación Universitaria Konrad Lorenz, Bogota 110221, Colombia.
- Green Dogs, Via Dante Alighieri 7, 23814 Cremeno, Italy.
- Faculty of Psychology, Fundación Universitaria Konrad Lorenz, Bogota 110221, Colombia.
- Department of Psychology, Utah State University, Logan, UT 84322, USA.
Conflict of Interest Statement
The authors declare no conflict of interest.
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Citations
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