All over the world, educational science outreach programs in which students can perform laboratory work have been developed. A common goal of these programs is to counteract students' decreasing motivation in STEM education. In Germany, several outreach science labs have been established over the last 20 years. It is assumed that the…

Design-based learning (DBL) offers opportunities to support students' content understanding. Previous DBL studies reported different effect sizes by using the data from one participant group. The goal of this study was to conduct a meta-analysis that would give a comprehensive picture of how DBL is connected to student achievement in different…

Language and argument are epistemic tools that learners can use to help them generate and validate knowledge for themselves, as emphasized in NGSS and previous NRC reports. Not all learning environments elicit or support the use of these epistemic tools equally, thus affecting how students grow in competence in relation to their use. The present…

Game-based learning (GBL) may address the unique characteristics of a single subject such as chemistry. Previous systematic reviews on the effects of GBL have yielded contradictory results concerning cognitive and motivational outcomes. This meta-analysis aims to: (a) estimate the overall effect size of GBL in chemistry education on cognitive,…

The Transformative Experience Questionnaire (TEQ) has previously been used only in formal science learning environments to examine how students' learning experiences extend beyond the classroom into their daily lives. In the present study, an example of how this tool can be useful to assess transformative experiences in an informal learning…

Recently, it has been argued that improving students' genomics literacy could prevent students from developing erroneous beliefs about social identity, such as the belief that racial groups differ cognitively and behaviorally because of their genes; a belief called genetic essentialism. To date, however, little research has explored if or how a…