LOVELL ET AL (2006) METHODS, SAMPLE

Question 1

What is CBT?

Answer 1

• A form of psychotherapy that aims to identify and change negative thought patterns and maladaptive behaviors to improve emotional wellbeing

Question 2

What research method was used?

Answer 2

• Randomised controlled non-inferiority trial
• Longitudinal design (10 weekly CBT sessions and 1, 3, 6 month follow up)

Question 3

Randomised controlled non-inferiority trial (RCNT)

Answer 3

Tests whether a new treatment is not signficantly worse than an existing one. It involves randomly assigning ppts to different groups.

Question 4

What were the main measures used in Lovell et al (2006)?

Answer 4

• Y BOCS
• BDI
• Client satisfaction questionnaire

(patients were tested before, after, during treatment with the YBOCS and BDI)

Question 5

Location and duration of the treatment?

Answer 5

• Location: 2 different psychology out-patient departments in the UK.
• Duration: 10 weeks

Question 6

How many patients were in the sample?

Answer 6

• 72 patients

Question 7

Age range of the sample

Answer 7

• 16-65 y/o

Question 8

Describe the sample

Answer 8

• 72 patients
• Diagnosed with OCD.
• Aged between 16 and 65 years old.
• All from the UK and attended one of two outpatient clinics.
• Participants all scored at least 16 (moderate-severe OCD) on the YBOCS
• Did not suffer from substance misuse or other conditions such as severe depressive disorder (no comorbidity- limit extraneous variables)

Question 9

Summarise the procedure?

Answer 9

1. Pre-treatment
2. CBT sessions
3. 2 (experienced) therapist
4. Post-treatment
5. Single-blind test

Question 10

Controls used?

Answer 10

• Random assignment
• Limiting extraneous variables (ensuring no comorbidity)
• Standaridised therapist manuals
• Fortnightly supervision sessions
• 4 monthly training sessions

Question 11

What is the YBOCS?

Answer 11

• A 19 item semi-structured interview, that uses a checklist of 67 symtoms organised in clusters. The clinical interviewer notes whether the symptoms are past, present on absent>

Question 12

What is Becks Depressive Inventory?

Answer 12

A 21 item self-report item used to measure the severity of depressive symptoms and attitudes. It consists of 21 multiple-choice questions related to symptoms such as mood, behavior, and physical symptoms.