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| Main Authors: | , |
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| Format: | Preprint |
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2025
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2506.19314 |
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| _version_ | 1866908419038904320 |
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| author | Rothkegel, Lars OM Fink-Lamotte, Jakob |
| author_facet | Rothkegel, Lars OM Fink-Lamotte, Jakob |
| contents | The chain of contagion task (CCT) is a pychological test to measure the amount of contagious beliefs in individuals. Contagious beliefs thereby refer to the perception that certain objects, people, or substances can transmit contamination through mere contact or proximity (Rozin et al., 1986). In the CCT, a neutral object (usually a pen) is rubbed against an inherently disgusting object (e.g. a toilet paper with feces) and participants are asked how contaminated this pen is on a scale from 0 (not at all) to 100 (very contaminated). Afterwards, this pen is rubbed against another pen, and again, the experienced degree of contamination is assessed. This is repeated 12 times. The CCT has first been experimentally investigated by Tolin et al. (2004) in an in vivo procedure with real disgusting objects. The authors could show that contagious beliefs measured with the CCT show a strong bias for people with contamination-based obsessive-compulsive disorder (C-OCD) compared to anxious individuals and non-anxious controls. Fink-Lamotte et al. (2024) replicated these findings with an online version of the CCT using audio-imagery-based and video-based stimuli and instructions. Both studies used 12 pens to assess the degree of contagious beliefs. Within this brief report, we show that after 8 pens, hardly any additional variance is explained between participants and after the tenth pen, no new information is gained. Thus, we recommend only using 8 pens instead of 12 when using the CCT to assess contagious beliefs. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_19314 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Increasing Efficiency of the Chain of Contagion Task Rothkegel, Lars OM Fink-Lamotte, Jakob Neurons and Cognition The chain of contagion task (CCT) is a pychological test to measure the amount of contagious beliefs in individuals. Contagious beliefs thereby refer to the perception that certain objects, people, or substances can transmit contamination through mere contact or proximity (Rozin et al., 1986). In the CCT, a neutral object (usually a pen) is rubbed against an inherently disgusting object (e.g. a toilet paper with feces) and participants are asked how contaminated this pen is on a scale from 0 (not at all) to 100 (very contaminated). Afterwards, this pen is rubbed against another pen, and again, the experienced degree of contamination is assessed. This is repeated 12 times. The CCT has first been experimentally investigated by Tolin et al. (2004) in an in vivo procedure with real disgusting objects. The authors could show that contagious beliefs measured with the CCT show a strong bias for people with contamination-based obsessive-compulsive disorder (C-OCD) compared to anxious individuals and non-anxious controls. Fink-Lamotte et al. (2024) replicated these findings with an online version of the CCT using audio-imagery-based and video-based stimuli and instructions. Both studies used 12 pens to assess the degree of contagious beliefs. Within this brief report, we show that after 8 pens, hardly any additional variance is explained between participants and after the tenth pen, no new information is gained. Thus, we recommend only using 8 pens instead of 12 when using the CCT to assess contagious beliefs. |
| title | Increasing Efficiency of the Chain of Contagion Task |
| topic | Neurons and Cognition |
| url | https://arxiv.org/abs/2506.19314 |