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Dr. Sara Jaeger
Leader, New Zealand Institute for Plant & Food Research
Editor, Food Quality and Preference
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Dr. Sara Jaeger¾Þ½³¶Ô´ËÏòÎÒÃÇÏÈÈÝÁËRATAÒªÁ죺
Rate-all-that-apply (RATA) is a variant of check-all-that-apply (CATA) that allows assessors to rate the intensity of selected attributes. You can think of RATA as “CATA + intensity rating of attribute”.
RATA£¨Rate-all-that-apply£©ÊÇ CATA£¨Check-all-that-apply£©µÄÒ»ÖÖ±äÌ壬ÔÊÐíÆÀ¹ÀÕ߶ÔËùÑ¡¸Ð¹ÙÊôÐÔµÄÇ¿¶È¾ÙÐÐÆÀ·Ö¡£Äú¿ÉÒÔ½« RATA ÊÓΪ "CATA + ÊôÐÔÇ¿¶ÈÆÀ·Ö"¡£
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Different RATA variants exist£º
• Scale length between 3 and 15 scale points have been used
• Scale anchors can vary between fully labelled and end-point only 3-pt and fully labelled [”low” (1), “medium” (2) and ”high”(3)] [15-point and end-point only (”low” (1) and ”high” (15) )]
• No firm guidelines, but consider sample discrimination and participant ability
• Clear labelling of numerical values of scale anchors is useful
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