Intergroup Contact Scale
Intergroup Contact and Quality Assessment · Also known as: ICS, Contact Quality Index
The Intergroup Contact Scale measures the quantity and quality of face-to-face interaction between members of different social groups (racial, ethnic, religious, national, or other categories). Rooted in Gordon Allport's contact hypothesis (1954), which proposed that prejudice decreases when groups interact under favorable conditions, the scale is fundamental in research on prejudice reduction, integration, and intergroup relations.
Read the full method
Sign in with a free account to read this section.
Method map
The neighbourhood of related methods — select a node to explore.
When to use it
Intergroup contact is measured in studies of immigration, integration, school desegregation, residential segregation, interethnic relations, and prejudice reduction. Valuable in intervention research (e.g., evaluating diversity programs, structured contact interventions) and longitudinal panel studies tracking how contact changes attitudes and behavior. Essential in post-conflict societies assessing whether contact facilitates reconciliation.
Strengths & limitations
- Grounded in robust contact hypothesis literature with decades of empirical validation and meta-analytic support
- Identifies both quantity and quality of contact; reveals why some contact reduces prejudice while other contact reinforces it
- Adaptable to diverse out-group identities (race, ethnicity, religion, nationality, sexuality) without scale redesign
- Predictive of prejudice reduction, inclusive attitudes, and support for policies benefiting out-groups
- Relevant to real-world settings (neighborhoods, schools, workplaces) and policy interventions
- Reverse causality: Individuals with lower initial prejudice may seek out contact; contact frequency may reflect attitude rather than cause it
- Surface contact without friendship: Shared workplace does not guarantee equal-status cooperation or friendship opportunity
- Out-group heterogeneity: Contact with one out-group member may not generalize to broader group stereotype change if individuation occurs
- Context variation: Quality conditions (equal status, cooperation) are not constant across all contexts; measurement may not reflect variation
Frequently asked
Does mere contact reduce prejudice, or must conditions be met?
Conditions matter substantially. Meta-analysis shows that equal-status, cooperative, friendship-level contact reduces prejudice reliably. Casual or status-unequal contact shows weaker effects; competitive contact may increase prejudice. Always measure quality, not just frequency.
Does contact with one out-group member reduce prejudice toward the entire group?
Generalization varies. If the out-group member is seen as typical, prejudice reduction generalizes. If seen as an exception or as an individual (decategorization), generalization is weaker. Context and group norms influence whether prejudice reduction broadens to the group or remains personalized.
How long does contact need to occur to reduce prejudice?
Short-term contact (single structured encounter) can reduce anxiety but produces smaller or shorter-lived attitude change. Sustained contact (months to years) with friendship opportunity produces stronger, more stable prejudice reduction. Most studies examine contact over years, not hours.
Can online contact replace face-to-face contact?
Emerging research suggests online contact can reduce prejudice if it meets quality conditions (asynchronous depth, cooperation toward shared goals). However, face-to-face contact typically produces stronger effects, likely because it facilitates perspective-taking and nonverbal communication.
Sources
- Allport, G. W. (1954). The nature of prejudice. Addison-Wesley. link ↗
- Pettigrew, T. F., & Tropp, L. R. (2008). How does intergroup contact reduce prejudice? A meta-analytic test of three mediators. European Journal of Social Psychology, 38(6), 922-934. DOI: 10.1002/ejsp.504 ↗
- Binder, J., Zagefka, H., Brown, R., Funke, F., Imamoglu, E. O., Krewer, B., ... & Uskul, A. K. (2009). Does contact reduce prejudice or does prejudice reduce contact? A longitudinal test of the contact hypothesis among majority and minority groups in three European countries. Journal of Personality and Social Psychology, 96(4), 843. DOI: 10.1037/a0013470 ↗
How to cite this page
ScholarGate. (2026, June 3). Intergroup Contact and Quality Assessment. ScholarGate. https://scholargate.app/en/political-sociology/intergroup-contact-scale
Which method?
Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
- Community Belonging ScalePolitical Sociology↔ compare
- Democratic Values ScalePolitical Sociology↔ compare
- Generalized Trust ScalePolitical Sociology↔ compare
- Social Cohesion ScalePolitical Sociology↔ compare
- Xenophobia ScalePolitical Sociology↔ compare