The project contains the data and analysis scripts for the article "Children learn simple adaptive decision strategies from probabilistic feedback" published in *Journal of Cognition and Development*. https://doi.org/10.1080/15248372.2023.2248257 The raw data from the two studies are available in SPSS and csv formats. The easiest way is to look at the data in SPSS. For the csv format, the codebook contains the variable descriptions and values. The data were analyzed with RStudio. The necessary packages are included in the scripts. The first script prepares the data analysis and also contains all cue prediction patterns. The second script analyzes the data on group level. The third script classifies and analyzes the individual strategies. The data was collected with the Mousekids Software. For more information see Betsch, T., Lehmann, A., Lindow, S., Lang, A., & Schoemann, M. (2016). Lost in search: (Mal-)adaptation to probabilistic decision environments in children and adults. Developmental Psychology, 52, 311–325. https://doi.org/10.1037/dev0000077