OST (1992)- GENETIC EXP PHOBIAS (AIMS/METHODS/PROCEDURE)

Question 1

When was Ost’s study conducted?

Answer 1

1992

Question 2

What was the aim of Ost (1992) study?

Answer 2

To examine the potential hereditary basis of phobias, by analyzing family histories and behavioral patterns among individuals with these blood/injection phobias.

Question 3

Simple aim of Ost (1992)

Answer 3

To examine the potential hereditary basis of phobias

Question 4

What method was used in the OST (1992) study?

Answer 4

Quasi-experiment

Question 5

Why was the study a quasi-experiment?

Answer 5

• No control over the iv’s since ppts already had the phobia

Question 6

What measures were used in OST (1992) study?

Answer 6

1. Clinician-adminsitered screening interview.
2. Self-report questionnaires and scales.
3. Behavioural test.
4. Family history analysis.

Question 7

How much ppts had blood phobia in the sample?

Answer 7

81 ppts- blood phobia

Question 8

How much ppts had injection phobia?

Answer 8

59 - injection phobia

Question 9

Which specific phobias were the comparison/ control group diagnosed with?

Answer 9

animal, dental and claustrophobia

Question 10

Can you summarise the procedure

Answer 10

1. Screening interview- adminsitered by a clinician.
2. Questionnaires- on the history and nature of their phobia.
3. Behavioural test- blood phobia (silent-coloured film)
4. Behavioural test- injection phobia (live-demonstration)

Question 11

What type of data was collected from the questionnaires and scales?

Answer 11

• Duration- scores related to how long ppts watched the video.
• Fainting behaviour- researchers raited the ppts fainting behaviour (0- no fainting and 4- fainting)
• Anxiety- ppts self-rated anxiety levels (0=not anxious at all 10= extremly anxious)
• Bood presssure and heart rate monitoring
• Thoughts during the test

Question 12

Can you describe the behavioural test shown to the blood-phobia condition?

Answer 12

• Ppts were shown a 30 mins, silent, coloured film of a surgey being performed.
• They were instructed to NOT close their eyes as much as they could.
• If they looked away or paused the video (with remote) the test woud terminate.

Question 13

What were the blood-phobia group shown?

Answer 13

30 mins, silent, coloured film of a surgey being performed.

Question 14

Can you describe the behavioural test shown to the injection-pobia group?

Answer 14

• Ppts were shown a 20 step live demonstation of the pricking and cleaning of an individuals finger.
• Each step was first descrived and the ppts had to say which steps tehy were okayw ith being performed- if they said no to any step the test was terminiated.

Question 15

What were the injection-phobia group show?

Answer 15

20 step live demonstation of the pricking and cleaning of an individuals finger.