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. 2017 Mar 31;8:445. doi: 10.3389/fpsyg.2017.00445

FIGURE 7.

FIGURE 7

Number of published articles including the word of “unity effect” (or “unity assumption”) and “coupling prior” in the title, abstract, or in the text of papers listed in Google Scholar in the past 20 years. The use of both terms has been rising slowly but surely in recent years, thus arguing against those claim that the notion of the unity effect/assumption has fallen out of fashion in recent years.