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Evaluation of tailoring effect from QID3 and QID4 limited to specific group. In contrast to Figure 7. This figure focuses on participants who answered ‘system’ in QID8. Higher values on the vertical axis indicate more tailored to the customer. The horizontal axis is Evaluation timing of salesclerk’s utterances. The scores are the means of the specific participants’ values and the error bars are the standard deviations. Brackets in the figure indicate the number of specific group.
