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The influence of therapist factors on the effectiveness of the IY parent program

This study explores the influence of therapist factors on the effectiveness of the Incredible Years (IY) parent program in the Netherlands. It examines various factors, including therapist skills, group leader characteristics, and program specific factors. Regression analysis and interaction models are used to analyze the data.

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The influence of therapist factors on the effectiveness of the IY parent program

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  1. The influence of therapist factors on the effectiveness of the IY parent program Mentor Meeting 2016 Maartje Raaijmakers The Netherlands

  2. Study into therapist factors • Background • Methods • Results • Discussion

  3. Study into therapist factors • Background

  4. Study into therapist factors • Methods • Four Dutch IY Parent program trials: • 1: Indicated prevention (Posthumus/ Raaijmakers et al., 2012) • 2: Selective prevention (Menting et al., 2014) • 3: Selective prevention and treatment (Leijten et al., 2015) • 4: Indicated prevention (Weeland/Chhangur et al., 2016)

  5. Study into therapist factors • Methods • N=786 families • n = 452 intervention • n = 334 control • 44 parent groups • 22 group leaders

  6. Study into therapist factors • Methods • Measures: Conductproblems: • Eyberg Child Behavior Inventory

  7. Study into therapist factors • Measures of therapist factors: • All parent groups were videotaped • For each IY group: • 30 minutes coded of 4 sessions (3, 6, 9, 11) • Interrater reliability 84% • Total number videos coded: 296

  8. Study into therapist factors • Therapist skills: • Communication: Leader Observation Tool • Listening • Empathy • Encouragement • Positive behavior (praise) • Personality/flexibility: Parent Satisfaction Questionnaire • Kindness, helpfulness, interested in child • Input, preparation • Program specific factors: Peer and self evaluation • Group process skills (collaborative approach)

  9. Study into therapist factors • Group leader characteristics • Clinical experience (months) • Number of delivered IY parent groups • Adherence to the protocol • Alliance with parents • Group process skills (PSE) • Relation and Usefulness of techniques for parents (PSQ) • Matching group leader and parent characteristics • Interactions between all factors

  10. Study into therapist factors • Data analyses • Regression analysis • Interaction models • Results • Unfortunately not yet available • What results would you expect? • Discussion • Any helpful suggestions?

  11. Study into therapist factors Tobecontinued… Contact: M.A.J.Raaijmakers@uu.nl

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