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Research shows that there are mechanisms of information simplification that lead to the danger that first, laypeople rely on their own epistemological skills when assessing scientific claims. Second, laypeople underestimate their dependence on experts when they receive simplified information. This underestimation can be problematic because scientific knowledge, due to its complexity, usually cannot be fully understood without further advice from experts. Compared to laypersons, adult education practitioners can be expected to have a higher level of scientific literacy in relation to knowledge in their professional field because they are familiar with the structure of knowledge through their formal education. The present study examines whether the “easiness effect” also occurs in adult education practitioners when they read simplified and highly simplified texts about research findings.

The sample consisted of 1.267 continuing education institutions. For the survey experiment, particioants were randomly assigned to tree text types at the end of the survey: easy, less scientific and scientific text. We used the difference-in-difference method to analyze the data.

The study examined whether easily presented research findings influenced self-assessment and reliance on experts. The results of our study support the hypothesis that the easiness effect is also present among professional practitioners.

The use of clear and nontechnical language is essential for ensuring that scientific knowledge is accessible and utilizable outside of academic circles. This aspect gains particular significance in educational research, as it enables professional practitioners to comprehend and ideally implement, research findings in their daily routines to address and resolve real-world challenges in their educational environments. Previous studies have demonstrated that the way text is presented influences laypeople's perceived reliance on experts. Building upon the conceptual framework of the easiness effect, this survey experiment took an additional step by focusing specifically on a targeted audience: professional practitioners in adult education.