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Intersectional Discrimination Index-Major (InDI-M)

The Intersectional Discrimination Index - Major (InDI-M) is a 13-item measure that captures major discrimination, types of discrimination that, if one were to respond to the discrimination, are legally actionable over an individual's lifetime and past year. Examples of major discrimination include being evicted, being restricted from opening a bank account, or losing a relationship due to one's identity.

Categories

Geographies Tested: Canada,United States of America

Populations Included: Female, Male, Transgender

Age Range: Adults

Items:

These questions are about experiences related to who you are. This includes both how you describe yourself and how others might describe you. For example, your skin color, ancestry, nationality, religion, gender, sexuality, age, weight, disability or mental health issue, and income.

1. Because of who you are, has a health care provider ever refused you care?
2. Because of who you are, have you ever been fired or dismissed from a job, or been turned down for a job that you interviewed for?
3. Because of who you are, have you ever been evicted or denied housing?
4. Because of who you are, have you ever been unreasonably stopped and questioned, searched, or arrested by police or security?
5. Because of who you are, have you ever been unreasonably expelled or suspended from school?
6. Because of who you are, have you ever been unable to open a bank account, cash a cheque, or get a loan?
7. Because of who you are, have you ever had to move to another neighborhood, town, city, state, province, or country?
8. Because of who you are, have you ever lost a close relationship (e.g. with a family member, friend, or partner)?

Response Options:
Never – 0
Once – 1
More than once – 2

9. Because of who you are, have you ever been repeatedly harassed at work or school, where you live, or when accessing services?

Response Options:
No – 0
Yes - in one place – 1
Yes - in more than one place – 2

10. Because of who you are, have you ever been threatened with a physical or sexual attack?
11. Because of who you are, have you ever been physically attacked (e.g. spit on, had objects thrown at you, hit, punched, pushed, or grabbed, beaten)?
12. Because of who you are, have you ever been made to engage in sexual activity, been touched in a sexual way, that you didn’t want?
13. Because of who you are, have you ever had someone take, damage, or vandalize your property?

Response Options:
Never – 0
Once – 1
More than once – 2

Scoring Procedures

Items are summed to create a scale. Higher scores indicate higher experiences of major discrimination. To measure experiences of major discrimination over the past year, frequency score ranges from 0-13 and to measure across the lifetime, frequency ranges from 0-26.

Original Citation

Scheim, A. I., & Bauer, G. R. (2019). The Intersectional Discrimination Index: Development and validation of measures of self-reported enacted and anticipated discrimination for intercategorical analysis. Social Science & Medicine, 226, 225-235. https://doi.org/10.1016/j.socscimed.2018.12.016


Psychometric Score

Ease of Use Score

Scoring breakdown

Formative Research

Qualitative Research

Existing Literature/Theoretical Framework

Field Expert Input

Cognitive Interviews / Pilot Testing

Reliability

Internal

Test-retest

Interrater

Validity

Content

Face

Criterion (gold-standard)

Construct

KEY

Ease of Use

Readability

Scoring Clarity

Length

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