Color Scale
IQ Metric 🛈
National IQ-scores from Lynn & Vanhanen (2002) estimated from psychometric tests only.
National IQ-scores from Lynn & Vanhanen (2002) supplemented for missing nations by geographic means of neighboring countries.
National IQ-scores from Lynn & Vanhanen (2012) estimated from psychometric tests only
National IQ-scores from Lynn & Vanhanen (2012) supplemented for missing nations by geographic means of neighboring countries
Mean NIQs calculated from all samples for each nation included in the THE NIQ-DATASET (V1.3) weighted by N of individuals of each sample
Mean NIQs calculated from all samples for each nation included in the THE NIQ-DATASET (V1.3) weighted by dataquality and N of individuals of each sample
Means of NIQ-QNW (col. E) and NIQ-SAS (col. F)
Means of NIQ-QNW (col. E) and NIQ-SAS (col. F), and supplemented for missing nations by geographic means of neighboring countries
National IQ-scores from Prof. Dr. Heiner Rindermann, calculated from L&V02 and school assessment studies (PISA; TIMSS; PIRLS) - See "Appendix I Data" in Becker & Rindermann (2016).
Mean NIQs calculated from school assessment studies (PISA; TIMSS; PIRLS) included in the THE NIQ-DATASET (V1.3)
Simple mean NIQs calculated from all samples for each nation included in the THE NIQ-DATASET (V1.3)
Year
Patent Type
National IQ-scores from Lynn & Vanhanen (2002) supplemented for missing nations by geographic means of neighboring countries
Differences between NIQ-QNF+SAS+GEO (col. H) and NIQ-L&V12+GEO (col. L)
National IQ-scores from Lynn & Vanhanen (2002) estimated from psychometric tests only