Purpose
The Behavior Problems Inventory – Short Form (BPI-S) is a shorter version of the Behavior Problems Inventory – 01 (BPI-01). In this paper, BPI-S population norms are reported from a total administrative population of adults with Intellectual Disability (ID). To facilitate the use of the BPI-S in clinical services to assess behaviour change, this paper describes how to use BPI-S clinically significant and reliable change scores.

Design/methodology/approach
Data were gathered on 265 adults with ID known to services. Proxy informants completed the BPI-S on challenging behaviours over the previous six months. Clinically significant cut off values and reliable change scores were calculated using the Jacobson and Truax (1991) method.

Findings
BPI-S clinical reference data are presented to provide benchmarks for individual and group comparisons regarding challenging behaviour. Examples demonstrate how to use clinical norms to determine change.

Practical implications
Behaviour change is a major goal of researchers and practitioners. Data from the present study can make the BPI-S a valuable tool for determining change in challenging behaviour following service input or intervention.

Originality/value
Whilst well used in research, the BPI-S may be less extensively used in practice. This present study provides data to enable researchers and practitioners to use the BPI-S more widely in assessing clinical outcomes, such as intervention research and service evaluation.

Darren Lee Bowring, Vasiliki Totsika, Richard P Hastings, Sandy Toogood
Tizard Learning Disability Review, 2018
https://doi.org/10.1108/TLDR-06-2017-0025
http://www.emeraldinsight.com/doi/pdfplus/10.1108/TLDR-06-2017-0025