How Can We Compare Psychological Processes Across Cultures?

From locally meaningful concepts and samples to comparable measures and defensible explanations.

Level: Intermediate
Reading load: 9 core readings in 5 units
Prerequisites: The Culture & Psychology foundation, or familiarity with the idea that culture includes meanings, practices and institutions. Basic understanding of a sample, correlation and questionnaire. Statistical modelling experience is helpful but is not assumed.
Last reviewed: September 2026

Introduction

Two sets of scores may look easy to compare while concealing different questions. Whose concepts shaped the questionnaire? Who answered it, what did the task mean to them, and what does each score warrant us in saying? Translation carries words across settings; a defensible psychological comparison must also examine the meanings, experiences, and measurements that travel with them.

This path develops a comparison from the research question outward. It begins with researcher perspective and locally generated concepts, then examines sampling, response processes and measurement models. The final unit distinguishes individual from group patterns and asks how a proposed explanation could be tested. You will encounter examples from personality and ability assessment alongside broader methodological arguments. The statistical papers are demanding; focus on the reasoning each model permits without needing to reproduce every calculation.

By the end, you should be able to specify the people a comparison is meant to describe and the psychological attribute it is intended to measure, identify threats to interpretation, explain what evidence supports a score comparison, and propose a design that could distinguish competing explanations. Local collaboration matters throughout because it can change both the questions and what counts as an informative answer.

Unit 1 of 5

Who defines what is being compared?

Every comparison begins with choices about meaningful behavior, categories and standards. Medin and colleagues make the starting perspective visible. Cheung and colleagues then show how local concepts and comparative measurement can reshape each other through an actual programme of instrument development.

Reading
1 of 9
Culture and the Home-Field Disadvantage
Medin, D., Bennis, W., & Chandler, M. (2010). Culture and the home-field disadvantage. Perspectives on Psychological Science, 5(6), 708–713. https://doi.org/10.1177/1745691610388772
Foundational argument · Methodological contribution · Accessible · Full work: 6 pages
Look for assumptions that become invisible when one familiar population supplies the task and the standard of success.
Why you’re reading it. Begin comparison methods with the construction of the research problem.
A question to consider. A study labels one community less rational because its members use ecological knowledge instead of a formal sorting rule. How would changing the starting perspective alter the comparison?
Reading
2 of 9
Studying Personality in Culture
Cheung, F. M., van de Vijver, F. J. R., & Leong, F. T. L. (2011). Toward a new approach to the study of personality in culture. American Psychologist, 66(7), 593–603. https://doi.org/10.1037/a0022389
Major synthesis · Methodological contribution · Moderate · Full work: 11 pages
Follow how qualitative descriptions and existing measurement frameworks enter the Chinese and South African projects.
Why you’re reading it. Turn the opening critique into a constructive approach to developing concepts across settings.
A question to consider. Design the first stage of a comparison of responsibility: who would help define it, what descriptions would you gather, and how would you decide which concepts to compare?

Unit 2 of 5

Whom do the findings describe?

Meaningful concepts still need a defensible connection between the sampled people and the intended claim. An audit of published research lets us examine what is reported, what remains unknown, and how conclusions can outrun their evidence.

Reading
3 of 9
Making Psychological Science More Representative
Rad, M. S., Martingano, A. J., & Ginges, J. (2018). Toward a psychology of Homo sapiens: Making psychological science more representative of the human population. Proceedings of the National Academy of Sciences, 115(45), 11401–11405. https://doi.org/10.1073/pnas.1721165115
Critical reappraisal · Methodological contribution · Accessible · Full work: 5 pages
Distinguish the article’s counts of publications, studies and samples, and connect missing information with limits on interpretation.
Why you’re reading it. Translate the foundation’s sampling concern into a practical appraisal of research claims.
A question to consider. Your responsibility study recruits university students online in two countries. Which populations and settings could its conclusions describe, and what recruitment changes would address the most important gap?

Unit 3 of 5

Do the questions and tasks mean the same thing?

A participant can understand the words yet interpret the activity differently. Greenfield examines conventions of testing; Heine and colleagues investigate comparison standards in self-ratings. Consider both measurement explanations and the possibility that an expected group difference is mistaken.

Reading
4 of 9
Why Ability Assessments Do Not Simply Travel
Greenfield, P. M. (1997). You can’t take it with you: Why ability assessments don’t cross cultures. American Psychologist, 52(10), 1115–1124. https://doi.org/10.1037/0003-066x.52.10.1115
Foundational argument · Critical reappraisal · Moderate · Full work: 10 pages
Attend to the practical conventions behind a test response, including who asks, what counts as relevant, and what a successful answer means.
Why you’re reading it. Distinguish linguistic translation from an inquiry into the task’s meaning.
A question to consider. Participants interpret “taking responsibility” as either acting independently or consulting relatives. What conversations and task revisions would help you understand the difference before comparing scores?
Reading
5 of 9
The Reference-Group Effect
Heine, S. J., Lehman, D. R., Peng, K., & Greenholtz, J. (2002). What’s wrong with cross-cultural comparisons of subjective Likert scales?: The reference-group effect. Journal of Personality and Social Psychology, 82(6), 903–918. https://doi.org/10.1037/0022-3514.82.6.903
Methodological contribution · Critical reappraisal · Moderate · Full work: 16 pages
Separate evidence that instructions change responses from evidence that one response is the more valid description.
Why you’re reading it. Make response standards testable while keeping the cultural prediction open to revision.
A question to consider. Two groups rate themselves equally responsible, contrary to your prediction. What independent evidence could distinguish a reference-standard effect from a mistaken prediction?

Unit 4 of 5

What would make scores comparable?

Now examine the relationship between a construct and the responses used to measure it. Putnick and Bornstein explain progressively stronger measurement assumptions. Laajaj and colleagues show why familiar scales require scrutiny across populations and modes of administration.

Reading
6 of 9
Measurement Invariance Conventions and Reporting: The State of the Art and Future Directions for Psychological Research
Putnick, D. L., & Bornstein, M. H. (2016). Measurement invariance conventions and reporting: The state of the art and future directions for psychological research. Developmental Review, 41, 71–90. https://doi.org/10.1016/j.dr.2016.06.004
Major synthesis · Methodological contribution · Challenging · Full work: 20 pages
Connect configural, metric and scalar assumptions with the particular comparison being proposed. Keep partial invariance and fit criteria open to substantive interpretation.
Why you’re reading it. Give the earlier questions about meaning a precise measurement-model formulation.
A question to consider. Your responsibility scale has similar item–factor relationships across groups but different item intercepts. Which proposed comparisons need further justification, and what might you investigate about the items?
Reading
7 of 9
Challenges to Capture the Big Five Personality Traits in Non-WEIRD Populations
Laajaj, R., Macours, K., Pinzon Hernandez, D. A., Arias, O., Gosling, S. D., Potter, J., Rubio-Codina, M., & Vakis, R. (2019). Challenges to capture the Big Five personality traits in non-WEIRD populations. Science Advances, 5(7), Article eaaw5226. https://doi.org/10.1126/sciadv.aaw5226
Critical reappraisal · Methodological contribution · Challenging
Compare recruitment, interviewing and response patterns before explaining the different factor results.
Why you’re reading it. Apply measurement reasoning to a large empirical case in which broader sampling changes the problem.
A question to consider. The responsibility scale performs differently online and in interviews. How would you separate who participated from how the questionnaire was administered?

Unit 5 of 5

What would explain a difference?

A valid score comparison still leaves an explanatory question. Na and colleagues show why group patterns and individual associations must be examined separately. Matsumoto and Yoo propose ways to investigate particular processes behind differences; assess the assumptions connecting each design to its causal claim.

Reading
8 of 9
Cultural Patterns and Individual Differences
Na, J., Grossmann, I., Varnum, M. E. W., Kitayama, S., Gonzalez, R., & Nisbett, R. E. (2010). Cultural differences are not always reducible to individual differences. Proceedings of the National Academy of Sciences, 107(14), 6192–6197. https://doi.org/10.1073/pnas.1001911107
Methodological contribution · Moderate · Full work: 6 pages
Keep the level of each result visible as the paper moves between individuals, social classes and cultural comparisons.
Why you’re reading it. Prevent a group-level pattern from silently becoming an individual-level explanation.
A question to consider. Communities with stronger obligations have higher average responsibility scores. What would you need to know before claiming that residents with stronger obligations score higher within each community?
Reading
9 of 9
From Cultural Comparisons to Explanations
Matsumoto, D., & Yoo, S. H. (2006). Toward a new generation of cross-cultural research. Perspectives on Psychological Science, 1(3), 234–250. https://doi.org/10.1111/j.1745-6916.2006.00014.x
Major synthesis · Methodological contribution · Challenging · Full work: 17 pages
Compare proposed mediators, observed practices and experimental manipulations as different forms of evidence.
Why you’re reading it. Finish by designing a comparison that can discriminate among explanations.
A question to consider. How would you test whether responsibility scores reflect family obligations, opportunities to act or response conventions, and what causal uncertainty would remain after your proposed study?

Scope and omissions

This is a path in evaluating and designing comparisons, not a software tutorial or a complete course in psychometrics. Personality and ability assessment provide several cases; the principles require adaptation for other psychological processes. The selected literature represents particular research traditions and settings, with limited coverage of qualitative analysis in its own right, community governance of research, multilingual conversation analysis, intensive longitudinal designs and formal causal identification. Indigenous and locally grounded scholarship enters through substantive questions about concepts and collaboration; no single project represents all communities. Historical examples and national labels should not be treated as current, uniform population profiles. The path does not rank cultures or provide a protocol for individual assessment.

Synthesis

A comparison is only as persuasive as the connections in its argument. Concepts must serve the question, samples the intended scope, measures the interpretation, and design the proposed explanation. Strength at one point cannot repair every weakness elsewhere. Statistical equivalence can support a score comparison while leaving meaning and coverage open; locally grounded inquiry can improve those questions and remain answerable to evidence.

The distinction between groups and individuals is especially consequential. An average difference does not describe every person, and a relationship among group averages need not hold within groups. Even a well-supported difference leaves several possible explanations. Measuring a proposed process, changing a relevant condition and observing change over time contribute different evidence, each with assumptions that should be stated.

Develop a short proposal to compare responsibility in two settings. Identify the communities and situations, how collaborators would help define the construct, the sampling frame, task-development work and evidence needed for measurement comparability. Specify the level of each claim and a competing explanation your design could challenge. Then state a possible result that would make you revise the construct, the comparison or the theory.

For a broader account of validity and score interpretation, continue with What Do Psychological Tests Measure?. To revisit causal claims and scientific uncertainty across kinds of evidence, use How to Read Psychological Science.

To use these comparative questions in a substantive area, continue with How Do Cultural Worlds Shape Selves and Relationships?. It examines models of personhood, agency, obligation and institutional expectations through conceptual and empirical works.