Vocabulary

Dataset: Link to summary data

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This OSF Project contains the summary statistics and correlations for the variables included in the study. The raw data is not shared. The link includes information from bilingual Xhosa-English and Zulu-English children from South Africa assessed in first grade, and twice in third grade. COVID-19 related school closures affected children in second grade and third grade. The variables include: phonological awareness, rapid automatized naming, phonological working memory, letter reading, word reading, text reading, reading comprehension and spelling.

Dataset: Pre- and Post Retell & Inferential Vocab Data AND Repeated Acquisition Design Data for Taught Words [v.1]

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This file contains data according to two research designs: small scale RCT and a Repeated Acquisition Design (single case research). The vocabulary at the pre- and post- collections were untaught words whereas the weekly probes for the RAD were the taught words of that week.

Dataset: WRRMP Full data (all waves) [v.1]

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This dataset contains all longitudinal data for the entirety of the WRRMP. This includes 10 waves worth of twin data, with extensive reading, math, behavioral, and environmental measures. Due to the twin nature of the data, data is presented as both long and wide, with each twin represented twice within the dataset.

Dataset: Project KIDS Item level Data [v.1]

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These data are for each item on all achievement and behavioral assessments completed during the original intervention projects. The dataset is wide, with separate variable names for each wave of assessment. All participants (n= 4,038) are included. These data can be linked to the "total level" data using the PK_ID variable.

These data represent a combined dataset of Drs. Stephanie Al Otaiba and Carol Connor's RCT projects. Therefore, these data are not unique, in that the original investigators may have shared the individual datasets in other places that we are not aware of.