New FIRO-B European Data Supplement

OPP is launching a new resource for FIRO-B practitioners.

OPP is pleased to announce the launch of a valuable new resource for FIRO-B® users, available to download free of charge:

The supplement provides a single source of information for the instrument, containing a comprehensive summary of the research data gathered for European language versions of the questionnaire.

The supplement contains updated research data for the European English language versions of the questionnaire, as well as language-specific data for each of the other language versions that we sell.