Roller coaster phobia combine substantial heights with seemingly insignificant support, as well as free-falls and the illusion of uncontrolled drops. Because acrophobia involves an extreme fear of heights and falling, these conditions could cause someone who is an acrophobic to have an extremely negative reaction to riding roller coasters. Claustrophobia involves two parts, fear of physical restraint and fear of suffocation. The safety harnesses and enclosures on some rollercoaster and other rides are very restrictive, in order to protect the riders from harm. In addition, the speed of these rides can cause air displacement that makes it difficult for riders to catch their
Fear appeal fear appeal is successful when the individual believes that the benefits in risk reduction outweigh the expected cost of acting. To assess the efficacy of a fear appeal respondents would be asked about the likelihood and severity of harmful outcomes of risk involved. The proposed severity is considered under the conditions of the current behavior and then under the alternative behavior. The efficacy is perceived through the effectiveness of the respondents answer. The subjective expected utility theory is unlike other theories of fear appeal because it does not describe the emotional process involved in fear reduction. It is only used