Meta-analysis of the effectiveness of individual intervention in the controlled multisensory environment for individuals with intellectual disability

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Background The Snoezelen is a multisensory intervention approach that has been implemented with various populations. Due to an almost complete absence of rigorous research in this field, the confirmation of this approach as an effective therapeutic intervention is warranted.

Method To evaluate the therapeutic influence of the Snoezelen approach. Twenty-eight relevant articles relating to individual (one-to-one) Snoezelen intervention with individuals with intellectual and developmental disabilities (IDD) were reviewed. A meta-analysis regarding the significance of the reduction of maladaptive behaviour and the enhancement of adaptive behaviour was implemented. An analysis of standardised mean differences was used through the use of fixed effect models.

Results The primary finding was that the Snoezelen approach, when applied as an individual intervention for individuals with IDD, enabled significant and large effect size in adaptive behaviours, with generalisation to the participants' daily life.

Conclusions Weaknesses in the examined research methodologies, the heterogeneity between research designs, the small number of available research projects, and the small number of participants in each research project, prevent a confirmation of this method as a valid therapeutic intervention at this time.

Meir Lotan1*, Christian Gold2
1Ariel University Campus at Samaria, Ariel, Israel
2Unifob Health, Bergen, Norway
*Correspondence: Meir Lotan, 67th Rothschild Street, Kfar-Saba, Israel, 44201 This email address is being protected from spambots. You need JavaScript enabled to view it.

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