{"train":{"words":[[1,2],[3,1],[4,1],[1,5],[6,1],[1,7],[2,8],[3,8],[8,4],[5,8],[8,6],[8,7],[9,2],[9,3],[4,9],[9,5],[6,9],[7,9],[10,2],[10,3],[4,10],[10,5],[6,10],[7,10],[11,2],[11,3],[4,11],[11,5],[6,11],[7,11],[12,2],[12,3],[4,12],[12,5],[6,12],[7,12]],"objects":[[1,2],[3,1],[4,1],[1,5],[6,1],[1,7],[2,8],[3,8],[8,4],[5,8],[8,6],[8,7],[9,2],[9,3],[4,9],[9,5],[6,9],[7,9],[10,2],[10,3],[4,10],[10,5],[6,10],[7,10],[11,2],[11,3],[4,11],[11,5],[6,11],[7,11],[12,2],[12,3],[4,12],[12,5],[6,12],[7,12]]},"test":[],"accuracy":["NA","NA","NA","NA","NA","NA","NA","NA","NA","NA","NA","NA"],"n_subj":[47],"label":["VlachDeBrock2017_2019"],"condition":["2x2, 12 pairs"],"description":["Vlach, H. A., & DeBrock, C. A. (2017). Remember dax? Relations between children's cross-situational word learning, memory, and language abilities. Journal of Memory and Language, 93, 217-230. https://doi.org/10.1016/j.jml.2016.10.001. 12 to-be-learned word-object pairs (symmetric design: word i <-> object i), 2 pairs shown per training trial, 36 trials; pairs vary in whether their 6 repetitions fall on consecutive trials (massed) or are spread out (spaced), per the paper's memory/spacing manipulation. n = 47 children (ages 2-5). No per-word accuracy is available, only the paper's overall mean: accuracy = .5583 (sd = .1975) across all pairs and participants -- see data-raw/XSL-dataset-fields.csv. `accuracy` here is NA throughout; this dataset is not part of xsl_datasets (see data-raw/add_vlach_debrock2017.R for why) and isn't scorable by xsl_run()'s built-in per-item SSE."],"response_matrix":{}}