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Home - IDI LLC, owned and operated by Mitchell R. Hammer, Ph.D. specializes in the assessment and development of intercultural competence based on the Intercultural Development Inventory® (IDI®).
About Us - IDI, LLC manages the Intercultural Development Inventory (IDI). Our company is a division of Hammer Holdings, Inc, a woman-owned company that also includes ICS Inventory, LLC —offering the Intercultural Conflict Style (ICS) Inventory.
IDI General Information - The Intercultural Development Inventory® (IDI®) is the premier cross-cultural assessment of intercultural competence that is used by thousands of individuals and organizations to build intercultural competence to achieve international and domestic diversity and inclusion goals and outcomes.
IDI Products & Pricing - The Intercultural Development Inventory (IDI) assesses intercultural competence—the capability to shift cultural perspective and appropriately adapt behavior to cultural differences and commonalities. Intercultural competence has been identified as a critical capability in a number of studies focusing on overseas effectiveness of international sojourners, international business adaptation and job performance, international student adjustment, international transfer of technology and information, international study abroad and inter-ethnic relations within nations. The Intercultural Development Inventory is a 50-item questionnaire, available online that can be completed in 15–20 minutes.
IDI Qualifying Seminar - Online IDI Qualifying Seminars are available for individuals to be trained and licensed as IDI Qualified Administrators to use the Intercultural Development Inventory. The Online IDI QS will be presented by an experienced, licensed IDI Qualified Administrator in three sessions (4.5 hours each) across three days (one session per day). The QS is hosted on Zoom with each registered participant being sent information to access the event on the scheduled date and time. During the seminar…
IDI Validation Research - The Intercultural Development Inventory®, or IDI®, is a widely-used assessment of intercultural competence, with over 60 published articles and chapters and over 66 Ph.D. dissertations. The IDI has been rigorously tested and found to possess high cross-cultural validity and reliability. As a result, validity of the IDI is established not through “face” validity, but, rather, far more rigorous psychometric criteria.
Success Stories - Educational institutions and organizations have achieved demonstrated results through the use of the Intercultural Development Inventory (IDI). This work is grounded in…
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Accessibility - Intercultural Development Inventory (IDI) is dedicated to providing exceptional service to visitors of all abilities.
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IDI Help Center - The IDI Help Center is the IDI knowledge base with numerous articles and resources available.

IDI Happenings

Intercultural Development Inventory › Happenings

Introducing the IDI Help Center!05/10/21

IDI, LLC is excited to announce that the IDI Help Center is now available to access! What is … Continue reading →

IDI, LLC on Hate and Acts of Violence Against the AAPI Community03/19/21

On Tuesday, March 16th, 2021 eight people—six of whom were Asian women—were murdered in horrific shootings in Atlanta. … Continue reading →

Introducing the Student Online IDI Debrief Program12/14/20

As the use of the Intercultural Development Inventory (IDI) has grown, IDI, LLC has become aware of a … Continue reading →

IDI Supports Black Lives Matter06/12/20

The tragic and senseless killing of George Floyd cannot be tolerated. IDI, LLC condemns the systemic racism that … Continue reading →

The New 2019 IDI Assessment Website is Available!05/27/19

IDI, LLC is excited to announce that the updated IDI Assessment Website is available now! Part of this … Continue reading →

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An Introduction to the Intercultural Development Inventory (3.28 minutes)
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Workplace Impact of the Intercultural Development Inventory (4.27 minutes)
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Practical Applications of the Intercultural Development Inventory