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 also be enhanced by the perceived dependability of the source. The level of self-efficacy an individual has is believed to influence their choice of behavior as well as the amount of time, and the amount of effort expended on that behavior. If the individual does not believe that he or she is capable of averting the threat, it is likely that denial or other defensive responses will be produced in order to lower the fear. The fear of threatening situations may have an adverse effect on the efficacy of a fear appeal. An intimidating situation may cause an individual to