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I hope to consult about surveying older adults. Since they have relatively low education levels and may not understand the questions well, we need to arrange different raters to fill in the questionnaire. But will different raters affect the results?

主頁>網上研討平台>I hope to consult about surveying older adults. Since they have relatively low education levels and may not understand the questions well, we need to arrange different raters to fill in the questionnaire. But will different raters affect the results?