The BEST dataset of language proficiency

The complete BEST dataset with the raw data per participant and task are provided  in a tab-delimited plain text format and in a Microsoft Excel® spreadsheet. The files contain background information about the participants’ age, gender, maximum education level, and handedness. It furthermore provides the individual values of the self-rated percentage of exposure to each language (from 0 to 100), their self-rated general proficiency (from 0 to 10), the scores resulting from the interviews (from 1 to 5), the number of correctly named items in the picture-naming tests (from 0 to 65), and the scores in the three LexTALE tests (from 0 to 100).


The BEST dataset of language proficiency

MAIN FILES: BEST.txt and BEST.xlsx

The main files contain the complete BEST dataset with the raw data per participant and task in a tab-delimited plain text format and in a Microsoft Excel® spreadsheet.

SUPPLEMENTARY FILES: 

1) Picture-Naming Test Materials.pdf 

Picture-Naming Test Materials.pdf contains the stimuli and basic instructions to run the picture-naming subtest of the BEST.

2) LexTALE Test Materials.pdf

LexTALE Test Materials.pdf contains the stimuli of the English, Spanish and Basque versions of the LexTALE tests.

3) Questions and interview instructions.pdf

Questions and interview instructions.pdf contains basic information about the specific questions included in the abridged version of the language background questionnaire and the commands given to the raters who leaded the interview process.