The Health and Psychosocial Instruments Database provides easy online access to behavior measurement tools

The Health and Psychosocial Instruments (HaPI) database, produced by Behavioral Measurement Database Services (BMDS), is the go-to information resource for students, researchers, and practitioners trying to locate health and social science measurement instruments. BMDS has expanded the HaPI database to meet the growing demand from industry services by providing more information on the psychometric properties of questionnaires (e.g. reliability and validity), translations and subscales .

Health and Psychosocial Instruments (HaPI) was created by Dr. Evelyn Perloff (1921-2022), who devoted 50 years of her professional life to documenting and disseminating information on the wide range of constructs that researchers have measured in psychological and health sciences, as well as the measurement properties of these research tools.

Behavioral Measurement Database Services
Behavioral Measurement Database Services

Health and Psychosocial Instruments began as a filing cabinet created by Dr. Perloff, a former professor at the University of Pittsburgh. HaPI has since grown into an international resource that currently contains over 232,000 records. The database continued its steady growth and expansion, with approximately 5,000 new records added each year.

“Our mission is to promote the sharing of knowledge about measurement tools across disciplines,” said Dr. Linda Perloff, President of BMDS. “Most instruments are ‘buried’ in avalanches of published literature and are therefore difficult to discover. Students, researchers, and practitioners in one field (eg psychology or sociology) may not be familiar with instruments in other fields (eg medicine, nursing, public health). This is where the Health and Psychosocial Instruments database comes in. By maintaining comprehensive instrument information from a variety of sources and disciplines, HaPI allows users to retrieve relevant measurements that they might not otherwise be aware of. Thus, HaPI helps researchers easily find what they need and avoids “reinventing the wheel”.

Today, the Health and Psychosocial Instruments database has subscribers at top colleges and universities, medical schools, VA centers, and other government agencies, hospital systems, and research organizations around the world. The purpose of the database is to make it easier for students and researchers to find quizzes, interviews, surveys, and other tests. The HaPI resource can give students and faculty an edge for their research projects, theses, dissertations, surveys, and grant proposals.

The HaPI database offers essential information about what individual instruments are designed to assess. Additionally, researchers can learn about response formats, sample items, psychometric properties, and more. HaPI offers researchers access to an unrivaled wide selection of measurement tools, helping them to improve the quality, reliability and validity of their measurement techniques.

“At Behavioral Measurement Database Services, our goal is to provide a comprehensive and practical resource for researchers,” said Dr. Perloff. “We offer a step-by-step guide to accessing the search tools in the HaPI database. The database is available to researchers through trusted platforms from Ovid Technologies or EBSCOhost. These leading providers offer HaPI through subscriptions to academic libraries, medical schools, and medical systems around the world. »

Those interested can visit to learn more about the database, and also opt for a 30-day trial with either provider, to learn more about the wealth of information available through HaPI.


Media Contact

Behavioral Measurement Database Services

Address: PO Box 110016, Pittsburgh, PA 15232

Telephone: (412) 687-6850


E-mail: [email protected]


Build ID: 421715

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