ADOLESCENTS' MIDPOINT RESPONSES ON LIKERT-TYPE SCALE ITEMS: NEUTRAL OR MISSING VALUES?

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چکیده

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ژورنال

عنوان ژورنال: International Journal of Public Opinion Research

سال: 2000

ISSN: 1353-4505,1464-3677

DOI: 10.1093/ijpor/12.2.209