Measures four dimensions of individualism-collectivism by distinguishing horizontal (equal status) from vertical (hierarchical) orientations. Extends Hofstede's binary I-C dimension. Consumers high in collectivism are more responsive to group-appeal advertising, social proof, and family-oriented brand communications; individualists prefer uniqueness and personal benefit appeals.
Triandis, H.C., & Gelfand, M.J. (1998). Converging measurement of horizontal and vertical individualism and collectivism. Journal of Personality and Social Psychology, 74(1), 118–128.
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