Related Experiment Video
Updated: Jun 6, 2025

Using the Threat Probability Task to Assess Anxiety and Fear During Uncertain and Certain Threat
Published on: September 12, 2014
Fear appeals, individuals' cognitive-behavioral responses, and willingness to pay for safe water in
Luciano Gutierrez1, Carlo Sanna2, Maria Sabbagh2
1Department of Agricultural Sciences and Desertification Research Centre, University of Sassari, Viale Italia 39/B, Sassari, Italy.
Abstract:
In rural areas with high fluoride concentrations in groundwater, affordable and effective de-fluoridation technologies can significantly reduce the likelihood of being affected by fluorosis-related illnesses, such as skeletal fluorosis. This is particularly significant in areas where groundwater is the primary or sole drinking water source, such as the Rift Valley of Tanzania. Despite the availability of technologies, people's use of de-fluoridation devices still needs to be improved. This study investigates the potential impact of fear appeals on promoting protective behaviors and willingness to pay for fluoride-free water. The fear appeal emphasizes the negative health effects of drinking water with high fluoride levels and suggests using water from a specific de-fluoridation device to reduce the risk of being affected by skeletal fluorosis. To analyze the impact of the fear appeal, we use the Extended Parallel Process Model within a contingent valuation survey conducted in the Rift Valley of Tanzania. Results show that the theoretical components of this model have varying roles in the presence and absence of health risk perceptions. Respondents who receive health risk information are more willing to pay for fluoride-free water than other participants and are interested in adopting precautionary behavior. Governmental institutions and donors should collaborate to improve education on the health risks of drinking water with high fluoride concentrations. Additionally, they should work on enhancing de-fluoridation technology and developing effective risk communication strategies, specifically focusing on individuals' cognitive-behavioral outcomes.
Related Concept Videos
Preparedness and Phobias
The Availability Heuristic
Responses to Drought and Flooding
Framing Effects
Behavior Therapy
Exposure therapy is a cornerstone of behavioral treatment for anxiety disorders. It involves systematic exposure to feared stimuli, either in real...
Avoidance Learning and Learned Helplessness
Avoidance learning occurs when an organism learns that a specific behavior can prevent an unpleasant outcome. For example, a student who receives a bad grade may start studying harder to avoid future poor grades. This behavior persists even when the negative outcome is no longer present. Avoidance learning is powerful because it maintains behavior in the absence of the...

