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The Design of Everyday Things, to include the role emotion plays in consumer purchases. According to Norman, human decision making is dependent on both conscious cognition and affect (conscious or subconscious emotion). This combination is why, for example, a beautiful set of old mechanical drawing instruments greatly appealed to Norman and a colleague: they evoked nostalgia (emotion), even though they both knew the tools were not practical to use (cognition). Human reaction to design exists on three levels: visceral (appearance), behavioral (how the item performs) and reflective. The reflective dimension is what the product evokes in the user in terms of self-image or individual satisfaction. |
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