OST (1992) RESULTS, EVAL, ISSUES

Question 1

What were the results from the family history analysis of the blood-phobia group?

Answer 1

Blood phobia and parents: 50% of those with blood phobia, had one or both PARENTS with blood phobia.

Blood phobia and siblings: 21% of those with blood phobias, at least one sibling with blood phobia.

Question 2

What were the results from the family history analysis of the injection-phobia group?

Answer 2

Injection phobia and parents: 27% of those with injection phobia had at least one parent who shared the phobia.

Question 3

What was the result of the fainting behaviour scale and family history analysis?

Answer 3

A high proportion of those with blood phobia (70%) and injection phobia (56%) had a history of fainting when exposed to their phobic stimuli. These results were MUCH higher compared to those with other specific phobias or anxiety disorders.

Question 4

What is the conlusion of OST (1992) study?

Answer 4

• There is a strong genetic link between injection and blood phobias. (likely due to an inherited biological response (vasovagal reaction)
• Blood and injection phobias are more likely to produce fainting than other phobias.