本研究延伸Chien, Wegner, Hsiao, and Petty (2010)提出的解釋範圍重疊模型(Dimensional Rang Overlap Model)，模型主張目標物(Target)與周邊刺激物(Context)皆有一解釋範圍，解釋範圍中有一中心傾向(central tendency)可作為目標物或是周邊刺激物的最適值(representative value)，若目標物與周邊刺激物重疊(overlap)，則會產生同化效果(Assimilation Effect)；若目標物與周邊刺激物不重疊(non-overlap)，則產生對比效果(Contrast Effect)。本篇論文聚焦於同化效果，主要探討在相同的重疊範圍的情況之下，目標物與周邊刺激物的範圍寬窄是否影響到同化效果的大小。
本研究採組內設計，分兩階段進行實驗，實驗主要衡量目標物與周邊刺激物的最適代表值、最低值以及最高值，共有四個假說，除了假說二部分成立外，其餘假說皆成立，假說一為固定目標物範圍，變動周邊刺激物範圍，周邊刺激物範圍越寬，同化效果越大；假說二為固定周邊刺激物範圍，變動目標物範圍，目標物範圍越寬，同化效果越大；假說三為同時變動目標物與周邊刺激物範圍，目標物越窄、周邊刺激物越寬的情況下，同化效果越大；假說四為驗證解釋範圍重疊模型，重疊範圍越大，同化效果越大。

關鍵字：解釋範圍重疊模型、促發效果、目標物範圍、周邊刺激物範圍

The study is based on Dimensional Range Overlap Model( Chien, Wegner, Hsiao & Petty, 2010) to have further discussion. The target or context can be interpreted for a range along a specific judgemental dimension. In the range of target or context , it has central tendency to represent the value of target or context. Assimilation effects can occur, when the range of target and context has overlap. If the range of target and context has non-overlap, contrast effects occur. The study focus on assimilation effects to have further discusssion on the conditon of same overlap to discuss whether the range of target or context has the impact of the assimilation effects.
The study is taken by within participant design. We have two stages for the experiment and measure the representative value of the target and context and the width of the target and context range. Hypothesis 1 is to fixed the width of the target range, and variable the width of the context range. If the width of the context range is wider , the stronger the assimilation effects occur . Hypothesis 2 is to fixed the width of the context range, and variable the width of the target range. If the width of the target range is wider , the stronger the assimilation effects occur . Hypothesis 3 is to variable the width of the target and context range at the same time. Assimilation effects would be stronger in the condition that the width of the target is more narrow and the width of the context is wider. Hypothesis 4 is to verify the Dimensional Range Overlap Model. If the target and context has more overlap , the stronger assimilation can occur. All hypothesis confirm except for hypothesis 2.

Key words : Dimensional Range Overlap Model, Priming Effect, Width of Target Range, Width of Context Range

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