PIRLS (Progress in International Reading Literacy Study) is the fourth assessment in the current trend series, following PIRLS 2001, 2006, and 2011. There were 61 participants in PIRLS 2016, including 50 countries and 11 benchmarking entities (e.g., regions of countries as well as additional grades or language groups from the participating…

Selection effects in the Swedish Scholastic Aptitude Test due to socioeconomic status (SES) were studied using data from longitudinal studies (n=8,222). Results show that subjects from low SES groups constitute the most positively-selected group even though they obtain the lowest test scores. Gender and grade differences are discussed. (MAK)

The seven articles of this special issue comment on the International Association for the Evaluation of Educational Assessment Reading Literacy Study conducted from 1989 to 1991 in 31 countries. Project design and test instruments are reviewed, and results from the Nordic countries are presented and explored. (SLD)

Key findings based on data from the Second International Science Study for 19,036 third, fourth, seventh, eighth, ninth, eleventh, and twelfth graders in Sweden are discussed. Findings concerning achievement, attitudes, gender differences, future education, and career choices indicate that science achievement is increasing, and gender differences…

Changes in verbal, spatial, and reasoning intelligence among Swedish 13-year olds were studied from 1960 to 1990. Rising verbal scores until 1980 have been followed by a decline to essentially the 1960 level. Spatial and reasoning results have risen continuously. Gender and social class differences are discussed. (SLD)