1. equaltestMI::HolzingerSwineford
    Holzinger and Swineford (1939) cognitive tests data in 301 children from two schools
    csv| xlsx| json| ndjson| rda| rds
    data.frame|301 x 12
  2. equaltestMI::LeeAlOtaiba
    Lee and Al Otaiba (2015) early literacy skills in four socioeconomic groups
    csv| json| rda| rds
    list