In a globalized world, in spite of cultural differences, we share, at least at the symbolic level (language level), lots of things. Considering pictures that display emotions (affect), such as those offered by the International Affective Picture System, could we speak of their 'international' character without affecting the specific and local cultural influence that might influence us in rating them?
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Long story short: at least in facial affect perception/expression, there is not a definitive answer to this. The field is only just beginning to get a handle on the fact that what have been long thought of as "universal" expressions of emotion don't seem to be, so there is considerably less work on how exactly culture affects these expressions. However, current consensus is that between-group affective judgments have lower agreement rates than within-group affective judgments.
There is longstanding work from Paul Ekman suggesting that perception of six basic emotions in faces is universal (he wrote an argument for this point of view here and, more recently, here). This was based on quite a lot of work showing that participants agreed at very high rates on the emotion displayed in a set of pictures of emotionally expressive faces. However, there are methodological weaknesses in this work (there is fulltext of an excellent review on it available here). Basically, these can be summed up as a preference for forced-choice (making participants choose from a limited list of answers about the emotion on display), within-subject designs, and stimuli from Ekman's original set; when different experimental design choices are made, the agreement largely disappears.
This opens the field for suggestions that most or all affective expression is in fact culturally influenced; a more recent study here found less agreement between groups than within groups, and more agreement between groups that had more exposure to eachother than groups that had less exposure to eachother. This paper is a highly detailed answer to your question, at least as currently understood.
1) Universals and cultural differences in facial expressions of emotion. Ekman, Paul. Nebraska Symposium on Motivation, Vol 19, 1971, 207-283.
2) An argument for basic emotions. Ekman , Paul. Cognition & Emotion : Vol. 6, Iss. 3-4, 1992.
3) Is There Universal Recognition of Emotion From Facial Expression? A Review of the Cross-Cultural Studies. Psychological Bulletin 1994, Vol. 115, No. 1, 102-141.
4) On the universality and cultural specificity of emotion recognition: A meta-analysis. Elfenbein, Hillary Anger; Ambady, Nalini. Psychological Bulletin, Vol 128(2), Mar 2002, 203-235.
If "we" - as global citizens - speak of their international quality it does not affect how they affect our ratings of them. Perhaps one could study responses to "International APS" versus "National APS" while presenting the IAPS in both conditions post "priming". This would determine differences in ratings, but the IAPS is first and foremost designed for emotion elicitation, that is: responses and not ratings. Those responses are species-dependent, but universal among humans.
UPDATE: In psychology "rating" and "response" have specific meanings. A response is a reaction to a stimulus, an event in the environment. For example, a stop sign makes a person stop their car. The sign is the stimulus and braking is the response. In psychological testing of humans, a field called psychometry, ratings are gathered through questionnaires. For example: "On a scale from 1 to 7, are you experiencing fear when seeing this image?". Ratings require evaluations. As such, ratings require deliberate tought. In contrast, responses can be automatic. For example, a person seeing the barrel of a gun pointed at him in an image might respond with sudden fear: the eyes open wide. In some situations we have a choice to respond with a smile if we appraise that a person should be greeted with a smile. However, sometimes we meet a friend and smile back immediately without any deliberate thought. Responses are tightly linked to the stimulus and are sometimes automatic, while ratings require deliberate judgement, sometimes through verbalization.
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