Index of Homophobia scale

1. Abstract

The Index of Homophobia (IHP), historically cataloged and alternatively designated as the Index of Attitudes Toward Homosexuals (IAH), is a 25-item psychometric assessment instrument developed by social work scholars Walter W. Hudson and Wendell A. Ricketts in 1980. Designed as an operationalized measure within clinical social work and behavioral research, the IHP evaluates affective, cognitive, and behavioral dimensions of homophobia—specifically conceptualized as an individual’s personal discomfort, visceral dread, aversion, or anxiety elicited by being in close proximity or interacting with homosexual individuals. The instrument employs a 5-point category-partition (Likert-type) rating scale ranging from 1 (Strongly agree) to 5 (Strongly disagree), containing 13 negatively worded items that require reverse-scoring to curtail affirmative response-set bias. Total scores are mathematically transformed to a standard continuous metric ranging from 0 to 100, where higher scores reflect elevated levels of homophobic prejudice and a score of 50 marks the critical clinical dividing line between predominantly non-homophobic and homophobic orientations. Across validation cohorts of English-speaking adolescents and adults aged 12 and older, the IHP displays robust internal consistency, yielding a Cronbach’s alpha coefficient of .90 and a low Standard Error of Measurement ($SEM = 4.43$). Readability analyses demonstrate high accessibility across diverse demographic groups (Flesch Reading Ease: 68; Gunning’s Fog Index: 10; Flesch-Kincaid Grade Level: 7). This paper delivers an exhaustive examination of the IHP’s psychometric architecture, foundational theoretical underpinnings, structural validity, scoring algorithms, diagnostic and educational utilities, and contemporary standing within the broader domain of sexual prejudice measurement.

2. Keywords

Index of Homophobia, Index of Attitudes Toward Homosexuals, Walter W. Hudson, Wendell A. Ricketts, homophobia measurement, sexual prejudice, psychometrics, scale validation, affective discomfort, social distance scale

3. Authors

The Index of Homophobia (IHP / IAH) was developed by Wendell A. Ricketts and Walter W. Hudson, Ph.D.

• Walter W. Hudson, Ph.D. (1934–2001) was an internationally distinguished professor of social work, quantitative methodologist, and measurement theorist who served on the faculty of the School of Social Work at Florida State University and Arizona State University. Renowned for standardizing clinical measurement systems in the human services, Dr. Hudson authored the WALMYR Assessment Scales, pioneered computerized clinical assessment tools, and advanced single-system research designs to bridge scientific empiricism with social work practice. He served as the founder of the WALMYR Publishing Company.
• Wendell A. Ricketts, M.S.W. was a researcher, clinician, and scholar specializing in human sexuality, family systems, and the socio-structural challenges confronting sexual minorities. Collaborating closely with Dr. Hudson at the University of Hawaii and Florida State University during the late 1970s and early 1980s, Ricketts concentrated on disentangling emotional antipathy toward gay men and lesbians from intellectualized ideological beliefs.
• Publisher & Distribution Entity: WALMYR Publishing Co., P.O. Box 12217, Tallahassee, FL 32317-2217; official correspondence email: [email protected].

4. Purpose

The primary purpose of the Index of Homophobia (IHP) is to provide human service practitioners, psychotherapists, clinical social workers, and behavioral researchers with a brief, psychometrically sound, self-administered measurement tool capable of quantifying an individual’s personal, affective discomfort and aversion regarding gay men and lesbians. During the late 1970s, psychological literature frequently conflated distinct concepts under the broad rubric of homophobia, combining intellectualized moral convictions, political or theological ideologies, and genuine personal, visceral phobia into undifferentiated assessment protocols. Hudson and Ricketts (1980) formulated the IHP specifically to isolate the affective and interpersonal dimensions of homophobia—defined precisely as the fear, discomfort, or revulsion experienced when associating with homosexual individuals in close interpersonal or professional quarters.

In clinical and social service contexts, the IHP was developed to serve three foundational functions: diagnostic assessment of personal bias, therapeutic progress monitoring, and professional training evaluation. First, the scale allows clinicians to assess whether an individual’s psychological or relational difficulties—such as acute anxiety upon encountering non-heterosexual peers, sexual identity confusion, marital distress, or disruptive workplace conflict—are driven or compounded by deep-seated homophobic dread. Second, because the scale is calibrated onto a standardized continuous 0 to 100 metric, practitioners can administer the IHP serially across repeated baselines and post-intervention evaluations in single-case experimental designs (SCEDs) to determine whether targeted psychotherapeutic or psychoeducational interventions systematically attenuate homophobic reactivity.

Third, the IHP fulfills a critical supervisory and educational mandate in academic settings training human service professionals, including counselors, clinical psychologists, nurses, physicians, and social workers. Unacknowledged homophobic bias among practitioners severely impairs therapeutic alliance, clinical empathy, objective diagnostic formulation, and ethical delivery of care. By utilizing the IHP within professional training curricula, educators can assess baseline prejudice, evaluate the efficacy of diversity and human sexuality education, and encourage students to critically examine their internal affective comfort levels prior to entering professional practice with sexual minority clients.

5. Psychological Construct

The psychological construct assessed by the IHP is homophobia, demarcated strictly as an affective, interpersonal, and behavioral aversion to being in close proximity, association, or intimacy with homosexual persons. When clinical psychologist George Weinberg coined the term in his seminal 1972 work, Society and the Healthy Homosexual, he defined homophobia as an irrational fear, dread, and revulsion experienced by heterosexuals when in close contact with gay individuals, alongside the internalized self-loathing experienced by homosexuals themselves. As psychometric instruments proliferated during the 1970s, Hudson and Ricketts observed that researchers routinely conflated Weinberg’s original visceral construct with cognitive, theological, or political opposition to homosexuality, such as beliefs regarding civil rights legislation, moral sinfulness, or sodomy laws.

Hudson and Ricketts argued that an individual might adhere to conservative theological dogmas regarding sexuality while remaining completely calm, kind, and emotionally comfortable in direct physical proximity to a gay colleague. Conversely, an individual might theoretically champion gay civil rights while experiencing visceral nausea, acute social anxiety, or intense boundary threat when seated next to a gay individual or upon learning their child or physician is homosexual. Consequently, the construct measured by the IHP specifically assesses personal, affective, and visceral discomfort across several distinct interpersonal domains:

• Interpersonal and Workplace Comfort in Close Quarters: Gauging comfort levels when working closely alongside male or female homosexual colleagues (Items 1 and 25), interacting socially at gatherings (Item 2), or engaging in one-on-one conversation at social events (Item 18).
• Institutional, Professional, and Authority Figure Contact: Evaluating the emotional equilibrium or disruption experienced when individuals occupying positions of authority, care, or ethical trust—such as one’s clergyman (Item 11), physician (Item 21), employer/boss (Item 19), or children’s schoolteachers (Items 16 and 24)—are discovered to be homosexual.
• Familial and Primary Kinship Threat: Measuring profound personal disruption, disappointment, perceived parental failure, or distress arising when core familial attachments are altered by homosexuality, specifically regarding one’s child (Items 9 and 13), sibling (Item 12), or spouse/partner (Item 17).
• Personal Sexual Boundary Threat and Erotic Defensiveness: Capturing reactive defensiveness, anger, offense, or conversely comfort and flattery when encountering perceived or actual same-sex attraction, such as member-of-same-sex romantic advances (Items 4, 7, 15, and 23), personal attraction to someone of the same sex (Item 8), or recognizing one’s own attractiveness to members of one’s sex (Item 5).
• Public Visibility and Contamination Anxieties: Measuring visceral revulsion and reputational fear associated with gay cultural spaces and open displays of same-sex affection, such as feeling nervous within an aggregate of homosexuals (Item 10), walking through gay neighborhoods (Item 20), being observed inside a gay bar (Item 6), or witnessing public displays of affection such as two men holding hands (Item 14).

6. Theoretical Framework

The Index of Homophobia is anchored within a composite theoretical framework integrating classical psychoanalytic defensiveness, cognitive appraisal models of threat, Gordon Allport’s Intergroup Contact Hypothesis, and social psychological paradigms of stigma and symbolic boundary maintenance.

Psychoanalytic and Ego-Defensive Models

Weinberg’s early conception of homophobia drew heavily from psychodynamic theory, suggesting that acute affective revulsion toward same-sex sexuality serves as an ego-defensive function. Individuals harboring repressed homoerotic impulses, rigid gender-role socialization, or profound anxieties regarding their own sexual adequacy project these unintegrated conflicts externally. Contact with an openly homosexual person threatens the heterosexual individual’s repression barrier, triggering unconscious castration anxiety, existential dread, or gender identity destabilization. The IHP operationalizes this theoretical mechanism through items tapping direct sexual boundary confrontations (e.g., reacting with fury or offense when approached by someone of the same sex, or experiencing panic when contemplating personal same-sex attraction), reflecting ego-defensive warding off of repressed identification.

Cognitive Appraisal and Interpersonal Threat

From the perspective of cognitive appraisal theory (Lazarus & Folkman), emotional responses are determined by an individual’s cognitive evaluation of an environmental stimulus as either benign, challenging, or threatening to personal well-being. In the IHP’s structural logic, homophobic individuals appraise the physical presence of gay individuals not as a neutral demographic reality, but as a symbolic or literal threat to their moral integrity, social reputation, parental competence, or physical boundaries. The scale captures this primary appraisal process through affective indicators: disgust, anger, nervous apprehension, disappointment, and disturbance across varying tiers of social distance.

The Contact Hypothesis and Social Distance

The structural progression of the IHP directly mirrors Emory Bogardus’s classical social distance theory and Allport’s contact framework. Allport posited that prejudice is mediated by the conditions under which intergroup contact occurs; absent equal status, common goals, and normative institutional support, proximity generates intergroup friction and avoidance behaviors. The IHP systematically modulates intimacy gradients—ranging from superficial distal contact (walking through a gay neighborhood or attending a broad social gathering) to institutional relationships (bosses, doctors, teachers), close friendships, and finally intimate primary bonds (siblings, children, spouses). This structural design allows researchers to evaluate where an individual’s affective threshold breaks down as interpersonal contact deepens.

7. Validity

Psychometric evaluation of the Index of Homophobia has demonstrated robust construct, content, convergent, and divergent validity across multiple independent investigations since its introduction in 1980.

Content and Face Validity

Content validity was established during initial construction by assembling an exhaustive item pool derived from clinical case histories, interviews with both heterosexual and homosexual individuals, and clinical social work literature detailing visceral reactions to gay men and lesbians. Items were subjected to professional panel review to eliminate purely ideological statements (such as civil rights legalities or abstract religious theology) and retain only items reflecting personal, subjective, affective, and behavioral reactions to direct contact. The readability of the final 25 items was empirically confirmed with a Flesch Reading Ease score of 68 and a Flesch-Kincaid Grade Level of 7, ensuring that respondents across broad educational backgrounds comprehend the items without linguistic ambiguity.

Construct and Convergent Validity

Construct validity is evidenced by significant correlations between IHP scores and empirically validated correlates of sexual prejudice. Studies examining the IHP alongside measures of authoritarianism, traditional sex-role adherence, and hypermasculinity consistently reveal moderate to strong positive correlations ($r = .45$ to $.68$). Individuals with higher IHP scores routinely score higher on scales measuring rigid gender-role adherence, traditional family ideology, and religious fundamentalism.

When evaluated against contemporaneous scales assessing general attitudes toward sexual orientation, such as Gregory Herek’s Attitudes Toward Lesbians and Gay Men (ATLG) scale, the IHP displays strong convergent validity ($r = .70$ to $.82$), while maintaining distinct divergence: the IHP specifically accounts for personal visceral aversion and direct behavioral discomfort, whereas the ATLG captures broader sociopolitical and moral evaluations. Furthermore, Hudson and Ricketts (1980) demonstrated that individuals reporting higher personal acquaintance, direct friendships, and positive interactions with gay men and lesbians score significantly lower on the IHP, corroborating Allport’s contact hypothesis.

Known-Groups and Discriminant Validity

Discriminant validity has been demonstrated by showing that the IHP does not merely index general neuroticism, generalized social anxiety, or broad misanthropy. While the publisher’s assessment manual notes that formal known-groups validation was omitted in early printings, extensive subsequent field research demonstrated that the IHP robustly differentiates groups with known antipathy (e.g., conservative religious activists) from gay-affirming community advocates and allied healthcare practitioners ($p < .001$).

8. Reliability

The Index of Homophobia demonstrates exceptional internal consistency and psychometric precision across varied clinical, academic, and community samples.

Internal Consistency

In standard psychometric evaluations published by Hudson and Ricketts (1980) and detailed across multiple editions of the WALMYR Assessment Scale Scoring Manual, the IHP consistently demonstrates an internal consistency reliability coefficient (Cronbach’s alpha) of .90. Subsequent independent academic replications using undergraduate, graduate, and professional human service samples have documented alpha coefficients ranging reliably between .88 and .93, well exceeding the .80 benchmark required for rigorous clinical and social science instrumentation.

Standard Error of Measurement

A major psychometric strength of the WALMYR instrumentation architecture is the formal calculation and publication of the Standard Error of Measurement. For the IHP, the standard error of measurement is established at $SEM = 4.43$ on the standardized 0 to 100 continuous scale. This low error margin allows clinicians to construct narrow 95% confidence intervals ($\pm 8.68$ score points) around observed scores, providing high diagnostic confidence when tracking changes during educational interventions or psychotherapy.

Missing Item Imputation and Score Robustness

The scale incorporates a mathematical scoring algorithm specifically designed to maintain score validity and stability in the presence of missing data. As long as a respondent properly completes at least 80% of the items (20 out of 25), the scoring formula systematically replaces omitted items with the respondent’s mean item score. This prevents distortion of the standardized 0 to 100 metric and preserves measurement reliability across diverse testing circumstances.

9. Factor Analysis

Although the Index of Homophobia was conceptualized by its authors as an essentially unidimensional measure of personal affective homophobia, comprehensive exploratory factor analyses (EFA) and confirmatory factor analyses (CFA) conducted in independent psychometric investigations have illuminated a nuanced multidimensional internal architecture.

Primary Unidimensionality

In initial principal components analyses, Hudson and Ricketts identified a massive, dominant first factor accounting for the majority of the common variance, featuring substantial factor loadings (typically ranging from .50 to .78) across items evaluating discomfort with proximate association (e.g., Items 1, 2, 10, 18, and 25). This dominant factor supported the aggregation of all 25 items into a single composite index of homophobia.

Multifactorial Latent Dimensions

Subsequent psychometric examinations (such as studies decomposing the IHP alongside other sexual attitude batteries) frequently extract between three and five distinct underlying sub-dimensions when applying oblique rotations:

1. Direct Social and Occupational Proximity: Encompassing items related to working alongside gay men and lesbians, casual party conversation, neighborhood residence, and attending social functions (Items 1, 2, 3, 18, 20, 25). Item loadings on this factor routinely exceed .65.
2. Erotic Boundary Defense and Defensiveness: Capturing personal emotional reactions to same-sex romantic advances or attraction toward members of one’s own sex (Items 4, 5, 7, 8, 15, 23). This factor reflects internalized defensive boundaries regarding personal sexual orientation.
3. Fiduciary and Caregiving Authority Disruption: Loading heavily on items where gay men or lesbians occupy authoritative or protective roles over vulnerable populations, including physicians, schoolteachers, and clergy (Items 11, 16, 21, 24).
4. Kinship and Familial Integrity Threat: Clustered around intense parental or familial disappointment and personal failure upon discovering a child, sibling, or spouse is homosexual (Items 9, 12, 13, 17).
5. Visceral Disgust and Public Stigma: Loading on overt public displays of same-sex affection and presence in culturally designated gay spaces (Items 6, 14).

Confirmatory factor analytic studies show that while hierarchical models incorporating these specific sub-dimensions provide superior mathematical fit (e.g., lower RMSEA and higher CFI values), the high inter-factor correlations ($r > .60$) validate the practical utility of computing Hudson’s global composite score in applied research and clinical assessment.

10. Instrument / Measurement Tool

The Index of Homophobia (also distributed as the Index of Attitudes Toward Homosexuals) is a standardized, paper-and-pencil or interview-administered self-report psychological instrument. A comprehensive breakdown of its structural and psychometric specifications is outlined below:

• Instrument Type: Self-administered Likert-type psychological assessment inventory.
• Item Count: Exactly 25 category-partition items.
• Administration Time: Normally completed in approximately 5 to 7 minutes.
• Target Population: Standardized for all English-speaking individuals aged 12 years or older.
• Readability Metrics:
  • Flesch Reading Ease: 68
  • Gunning’s Fog Index: 10
  • Flesch-Kincaid Grade Level: 7
• Response Scale: 5-point category-partition scale formatted as follows:
  • 1 = Strongly agree
  • 2 = Agree
  • 3 = Neither agree nor disagree
  • 4 = Disagree
  • 5 = Strongly disagree
• Reverse-Scored Items: To offset positive response sets and acquiescence bias, 13 of the 25 items are negatively worded and must be reversed prior to final score computation:
  
  Items to reverse: 3, 4, 6, 9, 10, 12, 13, 14, 15, 17, 19, 21, and 24.
  
  Reversal mathematical rule: Calculate $Y_i = (K + 1) – X_i$, where $K = 5$ (the number of response categories) and $X_i$ is the recorded response. Hence, $Y_i = 6 – X_i$.
• Mathematical Scoring Formula: Following appropriate item reversal, compute the total continuous standardized score $S$ as:

  $$S = \frac{(\sum X_i – N)(100)}{(K – 1)N}$$

  Where:

  • $\sum X_i$ = the arithmetic sum of all item responses (after reverse scoring);
  • $N$ = the total number of properly completed items (must be $ge 20$, representing $ge 80%$ completion);
  • $K$ = the number of response options per item ($K = 5$); hence, $(K – 1) = 4$.
• Score Range and Clinical Interpretation:
  • Total Score Range: 0 to 100.
  • Score 0: Represents the absolute theoretical minimum of homophobia (complete affective comfort and acceptance).
  • Score 100: Represents the absolute theoretical maximum of homophobia (extreme affective dread, disgust, and avoidance).
  • Clinical Cutting Score (50): Scores below 50 reflect an increasingly non-homophobic affective orientation. Scores exceeding 50 signify the clinical presence of an increasingly homophobic orientation toward human sexual expression.
  • Stratified Diagnostic Bands:
    • 0 – 25: High Non-Homophobic Orientation (pronounced affective comfort, lack of boundary threat).
    • 26 – 49: Mild Non-Homophobic Orientation (general tolerance with minimal situational discomfort).
    • 50 – 74: Moderate Homophobia (identifiable affective anxiety, interpersonal discomfort, and institutional resistance).
    • 75 – 100: Severe Homophobia (profound visceral revulsion, defensive anger, and overt avoidance behavior).

11. Permissions & Fee and Test Year

The Index of Homophobia (IAH/IHP) was formally published in 1980 following validation studies conducted in the late 1970s by Wendell A. Ricketts and Walter W. Hudson. The instrument is a copyrighted commercial assessment scale owned and administered exclusively by the WALMYR Publishing Company.

In accordance with commercial copyright stipulations:

• The scale may not be copied, photocopied, reproduced, modified, translated into other languages, or digitized without prior formal written authorization from WALMYR Publishing Co.
• The scale is strictly prohibited from being posted online, embedded in unauthenticated public web portals, or integrated into interactive electronic testing websites without express publisher licensing.
• Commercial packages are distributed in authorized tear-off scoring pads of 50 copies each at an established price of $22.50 per pad (subject to publisher catalog revisions) directly via www.walmyr.com.
• The instrument is restricted to use by qualified professional practitioners, certified clinical social workers, licensed psychologists, academic researchers, and students operating under accredited institutional research supervision.

12. References

Hudson, W. W., & Ricketts, W. A. (1980). A strategy for the measurement of homophobia. Journal of Homosexuality, 5(4), 357–372. https://doi.org/10.1300/J082v05n04_02

Nurius, P. S., & Hudson, W. W. (1993). Human services practice, evaluation & computers. Pacific Grove, CA: Brooks/Cole Publishing Company.

Weinberg, G. (1972). Society and the healthy homosexual. New York: St. Martin’s Press.

Herek, G. M. (1984). Beyond “homophobia”: A social psychological perspective on attitudes toward lesbians and gay men. Journal of Homosexuality, 10(1-2), 1–21. https://doi.org/10.1300/J082v10n01_01

Allport, G. W. (1954). The nature of prejudice. Reading, MA: Addison-Wesley.

Bogardus, E. S. (1933). A social distance scale. Sociology and Social Research, 17, 265–271.

WALMYR Publishing Co. (2001). WALMYR assessment scales scoring manual. Tallahassee, FL: WALMYR Publishing Co.

13. Items of the Scale