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| вмешательство наблюдателя (The answers participants give are likely to be affected by the presence of the researchers, social pressure from the rest of the group, or simply knowing that they're taking part in a focus group. kirobite) | |||
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| вмешательство наблюдателя (The answers participants give are likely to be affected by the presence of the researchers, social pressure from the rest of the group, or simply knowing that they're taking part in a focus group. kirobite) | |||