There are many validated scales in use in human resources and organizational behaviour. Established scales and testing kits can be purchased or downloaded. Others are described in research studies and articles. Determining an appropriate test or measure for a project requires some exploring.
Health and Psychosocial Instruments (HAPI)
This database provides comprehensive information about behavioral measurement tools including questionnaires, surveys, checklists, index measures, coding schemes/manuals, rating scales, projective techniques, vignettes/scenarios, tasks and tests.
Sage Research Methods Online
Articles, books and guides - 'how-to' on quantitative and qualitative research methods. Also 'Browse By' - Business and Management content
Research Studies and Articles:
In APA PsycINFO search your concept(s) and then limit results with the filter - Tests and Measurements
In Business Source Premier and ProQuest One Business search your concept(s) - for example 'job satisfaction' and add the term(s) 'questionnaires' or 'surveys' to the search
O'Reilly for Higher Education database has business and HR 'how-to' ebooks and multimedia content