This project contains additional material for the manuscript: „Not just words! Effects of a light-touch randomized encouragement intervention on students’ exam grades, self-efficacy, motivation, and test anxiety”. This research was funded by a grant from the Hungarian National Research, Development and Innovation Office (NKFIH), Grant number: K-135766. The supports of the János Bolyai Research Scholarship of the Hungarian Academy of Sciences (BO/00569/21/9) and the New National Excellence Program (ÚNKP) of the Ministry of Human Capacities (Grant Number: ÚNKP-21-5-CORVINUS-132) are acknowledged. The [Pre-Analysis Plan][1] can also be found on the [RCT Registry][2] of the American Economic Association. The questionnaires include the original [Hungarian][3] and the [English][4] version of the questions. Stata [.do files][5] are provided to produce the tables and figures in the paper. [Data][6] are available in .dta format. All [figures][7] are provided in .tif format. [1]: https://osf.io/j3qfr/ [2]: https://www.socialscienceregistry.org/trials/5155 [3]: https://osf.io/65x4h/ [4]: https://osf.io/wfcqy/ [5]: https://osf.io/x647w/ [6]: https://osf.io/r46j2/ [7]: https://osf.io/fdbs2/